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Oil System & Pipes
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
The OE Match Collapsible CNC Alloy Oil Tube Kit is a premium replacement oil line assembly designed to provide a durable and practical solution for servicing and repairing the engine lubrication system. Manufactured from precision CNC-machined aluminium alloy and supplied complete with seals, this collapsible oil tube is engineered to OE specifications for fit, performance and reliability.
Set Of 4.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
The collapsible design allows easier installation in applications where a standard rigid oil tube may require significant engine disassembly. Designed to maintain proper oil flow throughout the engine lubrication system, this oil tube helps ensure critical engine components receive the oil supply necessary for cooling, lubrication and long-term durability.
What This Product Does:
- Transfers engine oil between key lubrication system components.
- Maintains consistent oil flow and oil pressure.
- Supports lubrication of critical engine components.
- Helps dissipate heat through the engine oil circuit.
- Features a collapsible design for simplified installation.
- Includes replacement seals for a complete repair solution.
- Helps maintain the integrity and efficiency of the engine lubrication system.
Symptoms Of Wear Or Failure:
- Visible engine oil leaks.
- Oil drips beneath the vehicle.
- Low engine oil level between services.
- Oil residue around oil line connections.
- Reduced engine oil pressure.
- Oil warning light illumination.
- Burning oil smell from oil contacting hot engine components.
- Corrosion, cracking or physical damage to the oil tube.
- Signs of deteriorated or leaking seals.
Why Replacement Matters:
- Engine oil tubes operate under constant exposure to heat, pressure, vibration and environmental contaminants. Over time, oil lines can corrode, crack, deform or develop leaks around joints and sealing surfaces. Ageing seals may also lose elasticity, resulting in oil seepage or pressure loss.
- A leaking or damaged oil tube can reduce oil pressure and lubrication efficiency, potentially leading to accelerated engine wear, overheating and costly engine damage. Even small oil leaks can worsen over time, creating reliability issues and increasing maintenance costs.
- Replacing a worn oil tube with an OE Match collapsible CNC alloy assembly restores proper oil circulation and system integrity. The collapsible design simplifies installation while the supplied seals help ensure a leak-free repair. Manufactured to OE standards, this replacement provides excellent durability, reliable performance and long-term protection for your Porsche engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010704001
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
This set of 4 collapsible oil return tubes provides a complete replacement solution for all return tubes on an air-cooled Porsche flat-six engine. Ideal for full engine rebuilds or preventative maintenance, this set ensures uniform sealing and reliable oil return on all cylinders.
SET OF 4
Fits:
Porsche 911 911 2.0L 1965 - 1969
Porsche 911 1970 - 1989
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998
Diagram ref no 13.
Each tube expands into place and seals using high-temperature O-rings, eliminating the need for cylinder head removal. Replacing all four tubes at once prevents future oil leaks, ensures consistent oil pressure, and maintains proper lubrication throughout the engine.
Perfect for owners restoring or maintaining 911, 964 and 993 models where original fixed or aging tubes are known to fail after decades of heat cycling.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010704001
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 SC - 1978 to 1983
Porsche 911 3.2 Carrera - 1984 to 1989
Oil lines are often overlooked components, yet their failure can lead to significant damage. These lines connect the engine, oil cooler, or timing chain tensioner, functioning reliably for years without drawing attention.
However, if a crack or break develops, substantial amounts of oil may leak—potentially draining the entire oil tank—leaving critical components without proper lubrication. To prevent such failures, it is advisable to replace aging oil hoses or lines at the first signs of wear.
In the context of full restorations, replacing all oil lines or hoses is a common and prudent practice to ensure long-term reliability.
Diagram Ref No 11A and 12A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
OILCOOLERKIT04
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
SET OF 4 TUBE.
This OE-Match set includes the non-collapsible oil tube (part number 90110735101) and the matching o-ring seals (9997071124A) required for secure, leak-free installation.
Fits:
Porsche 911 2.0L 1965 - 1969
Porsche 911 1970 - 1989
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998
Diagram Ref No 36 + 37
The tube directs oil back into the sump or oil galleries, while the o-ring ensures a reliable seal at the mating junction to prevent leaks and maintain system integrity.
It replaces worn or damaged lines and seals with components manufactured to original specifications for correct fit, function, and durability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110735101
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911 1974-79
Click 'Zoom in' for large parts diagram.
Diagram ref no 18, 19, 20, 21, 22, 23, 24**, 25, 27, 28, 29, 30, 32, 33 and 34.
#24** the part is no longer available, so this is not included in this kit
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
OILCOOLERKIT02
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1974 -89
Click 'Zoom in' for large parts diagram.
Diagram ref no 11A, 12A, 13A, 13B,
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
OILCOOLERKIT05
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Fits:
Porsche 911 SC 1980-83
Porsche 911 3.2L 1984-86
Click 'Zoom in' for large parts diagram.
Diagram ref no 11, 11A, 12, 12A, 13A, 13B, 13C, 13D, 18, 20, 21, 22, 23, 25, 26 and 27.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
OILCOOLERKIT01
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The oil-supply pipe for the rear-mounted engine of classic Porsche 911 (Type 911/930) models from 1974-86. It replicates the original Porsche tube used to route oil from the thermostat to the oil cooler mount. Manufactured to match original equipment, the pipe guarantees correct oil flow, leak-free sealing, and reliable operation in this high-performance engine context.
Fits:
Porsche 911 1974 - 1986
Diagram Ref No 12
• Position on Vehicle: Oil supply pipe running along the under-floor or engine compartment from the front oil cooler/thermostat oil outlet toward the rear of the engine or oil sump/cooler.
• Applications: Ideal when the original oil-supply pipe is cracked, corroded, leaking, missing, kinked or shows signs of fatigue - crucial for restoring correct oil-pressure routing and engine reliability in classic 911/930 models.
In classic Porsche 911 and 930 engines, the oil-supply pipe carries engine oil under pressure towards the rear of the engine or oil-cooler circuit. A compromised pipe can allow oil leaks, pressure drop, decreased flow or contamination ingress - all of which can lead to reduced lubrication, bearing wear or engine damage. Replacing it with a correctly pipe restores the original oil-routing path and safeguards your engine.
When and why to replace:
• Visible oil leakage around the pipe or evidence of weepage along the routing.
• Corrosion, cracks or damage to the original pipe or its mounting brackets.
• The pipe has been removed or disturbed during prior engine works and re-use is not recommended.
• When restoring or rebuilding the engine oiling system on a classic 911/930.
• If oil pressure or flow issues are suspected and the pipe is part of the supply route.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93020704503
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Flows length of car.

Fits:
Porsche 911 1974-89
Click 'Zoom in' for large parts diagram.
Diagram Ref No 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93020704603
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE Match Cam Line for Cars with Upgraded Chain Tensioners is a high-quality replacement oil feed line designed for Porsche engines fitted with pressure-fed hydraulic chain tensioner upgrades. This critical component delivers engine oil to the chain tensioners, enabling them to maintain correct timing chain tension and ensuring reliable valve timing operation.
PLEASE NOTE: When Ordering This Pipe Also Order 93010734818/1 (Diagram Ref No 15) Which Is The Extension.
Fits:
Diagram Ref No 14
Manufactured to OE specifications for fit, function and durability, this cam oil line is engineered to withstand high oil pressures, engine temperatures and vibration. It is an essential component for maintaining the performance and reliability of upgraded timing chain tensioner systems found on many classic Porsche 911 models.
What This Product Does:
- Supplies pressurised engine oil to hydraulic chain tensioners.
- Helps maintain correct timing chain tension at all engine speeds.
- Supports accurate valve timing and engine performance.
- Reduces timing chain movement and associated wear.
- Forms a vital part of the upgraded pressure-fed chain tensioner system.
- Helps improve engine reliability and longevity.
Symptoms Of Wear Or Failure:
- Visible oil leaks around the cam housing or timing chain covers.
- Oil seepage from pipe unions or fittings.
- Cracked, corroded or damaged oil line sections.
- Reduced oil supply to chain tensioners.
- Timing chain rattling or excessive chain noise.
- Increased engine mechanical noise during start-up.
- Oil pressure loss within the tensioner circuit.
- Premature wear of timing chain and tensioner components.
Why Replacement Matters:
- The cam oil line operates in a high-temperature environment and is continuously exposed to engine vibration, oil pressure fluctuations and age-related deterioration. Over time, corrosion, fatigue or damaged fittings can lead to oil leaks or reduced oil flow to the chain tensioners.
- A failing oil feed line can compromise the operation of the hydraulic chain tensioners, potentially allowing excessive timing chain movement. If left unchecked, this can accelerate wear of the timing chain system and may affect engine timing accuracy. Replacing a worn or damaged cam line helps maintain proper oil delivery, supports reliable chain tensioner operation and protects critical engine timing components from unnecessary wear and potential failure.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010734817
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
in Yellow passivated.
Fits:
Porsche 911 1978-89
* Note when ordering this pipe also order
93010734818/1 (diagram ref no 15) which is the extension
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010734817
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 1965-83
This product supersedes Porsche's old part numbers:
- 90110734701
- 90110734702
Diagram ref no 39
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110734703
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE Match Left Hand Cam Line for Cars with Upgraded Chain Tensioners is a high-quality replacement oil feed line designed specifically for the left-hand side of Porsche engines equipped with pressure-fed hydraulic chain tensioner upgrades. This vital oil line delivers pressurised engine oil directly to the left-hand chain tensioner, ensuring consistent chain tension and reliable valve timing performance.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 1
Manufactured to OE specifications, this replacement cam line offers precise fitment, durability and dependable oil delivery under demanding engine operating conditions. It is an essential component for maintaining the effectiveness of the upgraded chain tensioner system commonly fitted to classic Porsche 911 models.
What This Product Does:
- Supplies pressurised engine oil to the left-hand hydraulic chain tensioner.
- Maintains correct timing chain tension throughout the engine's operating range.
- Supports accurate valve timing and engine efficiency.
- Helps reduce timing chain vibration and movement.
- Forms part of the upgraded pressure-fed chain tensioner system.
- Contributes to the long-term reliability of the engine timing assembly.
Symptoms Of Wear Or Failure:
- Oil leaks around the left-hand cam housing or timing chain cover.
- Oil seepage from unions, fittings or pipe connections.
- Corrosion, cracking or physical damage to the oil line.
- Reduced oil flow to the hydraulic chain tensioner.
- Timing chain rattle, particularly during start-up.
- Increased engine mechanical noise.
- Oil contamination around surrounding engine components.
- Premature wear of timing chain tensioner components.
Why Replacement Matters:
- The left-hand cam line operates in a high-temperature, high-vibration environment and is subjected to constant oil pressure. Over time, ageing, corrosion and fatigue can weaken the line or its fittings, resulting in oil leaks or restricted oil flow.
- A failing cam line can reduce the effectiveness of the hydraulic chain tensioner, potentially allowing excessive timing chain movement and accelerated wear of critical engine components. In severe cases, inadequate tensioner operation may affect engine timing accuracy and reliability.
- Replacing a worn or damaged left-hand cam line helps maintain proper oil delivery to the chain tensioner system, reduces the risk of oil leaks and supports reliable engine timing performance. An OE Match replacement restores the integrity of the lubrication circuit and helps protect valuable Porsche engine components from unnecessary wear.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9301073471Y
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Fits:
Porsche 911 1965-69 Cars with Chassis no M 090 3070 >>
Porsche 911 1970-83
This product supersedes Porsche's old part numbers:
- 90110734800
- 90110734801
- 90110734802
Diagram Ref No. 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110734803
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
There are 4 oil tube per engine.
EACH

Fits:
Porsche 911 911 2.0L 1965-1969
Porsche 911 1970-89
Porsche 964 1989-94
Porsche 993 1994-98
Click picture for large parts diagram.
Diagram Ref No 13.
Buy a set of 4 oil Tubes and Save money
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010704001
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Collapsible oil tube kit for Porsche 911, 964 and 993 engines. Supplied as an assembled return tube with associated sealing components, intended as a direct-fit replacement where the original oil return tube has aged or started to leak.
Overview & Construction
This kit uses a telescopic tube design to mirror the layout of the original return assembly between the cylinder head/oil galleries and the crankcase or external oil tank, depending on application. The collapsible section allows the tube to be installed without splitting the crankcase, while the included O-rings and circlip provide axial retention and a radial seal at each end. The construction is aimed at withstanding typical air-cooled engine temperatures, oil exposure and vibration so that the tube can maintain a stable sealing interface over repeated heat cycles.
- Collapsible/telescopic tube body for in-situ installation
- Sealing rings for both ends of the tube
- Circlip for tube location and retention (where applicable)
- Designed around original routing and connection points on 911, 964 and 993 engines
- One kit services a single oil return position; four tubes are normally used per engine
Operational Symptoms
- Oil drips or wetness along the oil return tubes or at their joints to the crankcase or cam carrier
- Oil residue on heat exchangers, undertrays or the lower engine casing
- Smell of hot oil after driving, sometimes with light smoke where oil contacts hot exhaust parts
- Progressive oil consumption not explained by external gaskets or top-end components
- Leaks that become more evident after long, hot runs when oil is at full temperature
Replacement Rationale
On older air-cooled engines, rigid or early-pattern tubes can harden, corrode or lose tension at the sealing interfaces, leading to external leaks or reduced return flow from the heads back to the sump or tank. Replacing a tired tube with a collapsible assembly allows the return line to be renewed with the engine in situ, restoring a defined oil path and fresh sealing surfaces at both ends. This helps maintain predictable oil circulation, reduces the risk of oil mist on hot components, and can be combined with other oil system work during rebuilds or top-end refreshes to minimise repeat access.
Compatibility
- Porsche 911 2.0L 1965–1969
- Porsche 911 1970–1989
- Porsche 964 1989–1994
- Porsche 993 1994–1998
Support & Advice
Check the condition of all four return tubes when the engine is accessible, as similar age and exposure often mean that multiple tubes show seepage at the same time. Confirm fitment against your specific model year and engine variant before installation, and ensure all sealing surfaces are clean, undamaged and free from old O-ring material prior to assembly.
Search Context
Search context: Many searches use terms like 'genuine' or 'OEM'. This part is a compatible replacement engineered to match original specifications. It is not a Porsche Genuine Part.
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93010704001
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crankcase left 911 1978-83 101-05
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k-jetronic 911 SC 930.03/04, 930.05/06, 930.09/10, 930.13/15, 930.19 1978-83 107-10
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blower engine 911 SC 1978-83 108-10
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engine suspension 911 1978-83 109-00
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clutch 911 1978-83 301-00
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clutch release 911 1978-83 301-05
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exhaust system 911 SC 1978-83 202-00
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heating air supply 911 1978-83 202-20
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gear housing, transmission cover 1978-83 302-05
-
gears and shafts 4. speed transmission - G 930/34 - 911 1978-83 303-05
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shift rods, shift forks 5. speed transmission - G 915 / G 930 - 911 1978-83 304-00
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transmission suspension 911 1978-83 306-00
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clutch release SPM - G 925/16 - 911 1978-83 307-00
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replacement transmission, transmission case SPM - G 925/16 - 911 1978-83 308-00
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front axle stabiliser 911 1978-83 401-00
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rear axle 911 1978-83 501-00
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vibration damper stabiliser 911 1978-83 502-00
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brake fluid reservoir, brake master cylinder 911 1978-83 604-00
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transmission control 911 1978-83 701-00
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parking-brake lever, actuating lever for heating 911 1978-83 701-05
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Pedals for Right Hand Drive Cars 911 1978-83 702-05
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pedals accelerator control 911 1978-83 702-10
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frame front 911 1978-83 801-05
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exterior panelling front 911 1978-83 801-30
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Front Bumper 911 1978-83 802-00
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Rear Bumper 911 1978-83 802-05
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lid front 911 1978-83 803-00
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lid rear 911 1978-83 803-05
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front seat complete 911 1978-83 808-00
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sports seat complete 911 UPTO 1980 808-10
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sports seat complete 911 1981 ONWARDS 808-25
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decorative fittings 911 1978-83 810-00
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convertible top, clamp, single parts 911 1978-83 811-13
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ventilation heating system - 1 - 911 1978-83 813-00
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YORK compressor mounting and driving mechanism 911 1978-83 813-30
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NIPPONDENSO compressor mounting and driving mechanism 911 TURBO 1978-83 813-35
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condenser refrigerant line accessories and others front 911 1978-83 813-45
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condenser refrigerant line accessories and others rear 911 1978-83 813-55
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engine electrics steering lock 911 1978-83 901-00
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battery, fuse box 911 1978-83 902-00
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generator starter 911 1978-83 902-05
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mounting plate, relay, sender, fanfare 911 1978-83 903-00
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rear window wiper 911 1978-83 904-05
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windscreen washer system 911 1978-83 904-10
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windscreen washer, system headlight washer system 911 1978-79 904-15
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interior lights, fog headlamp 911 1978-83 905-05
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cruise control 911 1978-83 907-00
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alarm system left-hand drive 911 1978-83 910-00
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shift rods shift forks SPM - G 925/16 - 911 1978-83 310-00
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transmission suspension SPM - G 925/16 - 911 1978-83 312-00
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air conditioner, evaporator housing, single parts 911 1978-83 813-05
OEMatch Oil System & Pipes — Fit, Function, Confidence
OEMatch supplies oil system parts chosen for Porsche models, including pipes, hoses, fittings and related hardware. This selection supports repairs where correct routing, sealing and material resistance are essential to maintain oil temperature and prevent leaks across model ranges.
Available Types
- Metal oil cooler lines and rigid pipes for high-temperature routing
- Reinforced rubber hoses, bends and flexible connectors
- Seals, gaskets, unions and fittings for filter housings and cooler interfaces
Understanding OEMatch Oil System & Pipes
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original oil system & pipes. OE (Original Equipment) refers to parts matching original specifications for the oil system & pipes and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM oil system & pipes engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The oil system and its pipes route oil between the engine, oil cooler and filter, help control temperature and maintain stable pressure, and protect bearings, camshafts and seals from excessive heat and wear. Failures typically present as leaks, low oil pressure or overheating; correct diagnosis and use of parts that match original routing and sealing details reduce the risk of repeat faults. OEMatch catalogues thousands of Porsche part numbers and cross-references to assist identification of the right lines, hoses and fittings for repair or maintenance.
Benefits Include
- Restored oil circulation and temperature control for reliable lubrication
- Reduced risk of leaks and oil loss through correct sealing and fittings
- Materials selected to resist heat, oil exposure and corrosion
Why Oil System & Pipes Wear and Fail
- Heat and age causing cracking or work hardening of metal pipes
- Rubber hose degradation from prolonged exposure to oil and high temperatures
- Corrosion, impact damage or blockages from sludge and deposits
The Importance of Replacing with OEMatch Oil System & Pipes
Fitting the correct replacement lines and related parts preserves oil pressure, prevents leaks and helps maintain consistent engine temperature. Using parts that match original routing, sealing interfaces and material grades reduces the chance of premature failure and the need for repeat repairs, supporting long-term reliability and protecting costly engine components.
Advantages
- Direct-fit alternatives engineered to original-spec dimensions and tolerances
- Corrosion-resistant materials and reinforced hose constructions
- Quality fittings and sealing solutions to restore leak-free operation
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new seals or fasteners where specified; protect paintwork during work and check for correct routing and secure connections after initial running. If the vehicle includes hidden sensors or you are unsure, seek professional help.