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- 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
OE Match thermostat oil hose
Porsche 964 1989-94
For cars with thermostat part number:
96420704703
96420704706
Check fitment for your specific vehicle (model, year, engine) before ordering.
Diagram ref no: 21
What This Product Does
This hose provides an oil-carrying connection associated with the thermostat in the 964 lubrication circuit. It is a hose replacement, rather than a thermostat assembly. Correct identification requires checking the thermostat reference as well as the vehicle application.
Functions
- Provides a passage for oil within the thermostat-related pipework.
- Supports a sealed connection when correctly matched and installed.
Technical Details
- Brand: OE Match.
- Product part number: 96420724104.
- Additional supplied references: 96420724102 and 96420724101.
- Specified thermostat references: 96420704703 and 96420704706.
Symptoms of Fault
- Fresh oil beneath the vehicle or dampness along the hose.
- Seepage around connecting unions.
- Visible cracking, deterioration or rubbing damage.
- Oil odour after use, or smoke where escaped oil reaches heated components.
- Leakage appearing after ageing pipework has been disturbed.
Why Replacement Matters
A deteriorated hose can allow continued oil loss. Renewing a confirmed leaking or damaged component addresses that fault while providing an opportunity to examine adjoining fittings and supporting hardware. Check the source carefully: leakage at a nearby union does not necessarily mean the hose itself has failed.
FAQs
What should be checked before selecting this hose?
Compare the vehicle details, existing hose and thermostat reference. The stated thermostat numbers are an important compatibility condition.
Should nearby fittings also be inspected?
Yes. Examine connections, seals and retaining hardware for deterioration or damage, renewing associated items where required.
How can a repair be checked?
Remove residual oil from the surrounding area and inspect for fresh leakage after operating-temperature cycles.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420724104
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 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 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The OE MATCH Oil Filler Cap is a replacement engine oil filler cap designed for compatible Porsche applications. Installed at the engine's oil filling point, the cap closes and seals the opening after engine oil has been added.
Fits:
- Porsche 911 SC 1974-83 SPORTMATIC ONLY
- Porsche 911 Turbo (3.3L) 09/1977-07/1989
- Porsche 964 1989-94
- Porsche 968 1992-95
- Porsche 924S 1986-88
- Porsche 944 2.7L 1989
- Porsche 944 S2 3.0L 1989-91
- Porsche 944 2.5L Turbo 1986-91
- Porsche 944 2.5L Turbo S 1987-88
- Porsche 928 S4 / GT / GTS 1987-95
Although relatively simple, the oil filler cap performs an important sealing function. A correctly fitted cap helps prevent engine oil from escaping while protecting the lubrication system from dirt, moisture and other external contamination.
What This Product Does:
The oil filler cap seals the opening used when adding engine oil.
Once installed correctly, it helps:
- Close the engine oil filling point
- Prevent oil from splashing or escaping
- Reduce the risk of dirt entering the engine
- Reduce moisture and external contamination
- Maintain the intended sealing of the lubrication system
- Keep the engine bay cleaner
- Provide convenient access during oil servicing
The cap must fit securely and its sealing surface must remain in good condition.
Symptoms Of Wear Or Failure:
Oil filler caps are exposed to engine heat, oil vapour and repeated removal during servicing. Over time, the cap or its sealing components can deteriorate.
Common symptoms include:
- Oil residue around the filler opening
- Oil leaking or misting around the cap
- Oil staining nearby engine components
- Cap becoming loose
- Cap no longer tightening securely
- Cracked or damaged cap
- Hardened or deteriorated sealing surface
- Damaged threads or retaining features
- Cap becoming difficult to remove or install
- Visible deformation
- Missing oil filler cap
Any persistent oil leakage around the filler opening should be investigated rather than simply cleaned away.
Why Replacement Matters:
Replacing a worn or damaged oil filler cap helps maintain the integrity and cleanliness of the engine lubrication system.
A new cap can help:
- Restore a secure seal
- Prevent oil leakage around the filler opening
- Reduce oil mist in the engine compartment
- Protect against dirt and moisture
- Keep surrounding engine components cleaner
- Replace cracked or deteriorated material
- Restore secure engagement with the filler opening
- Maintain reliable access for routine oil servicing
A missing or severely damaged filler cap should be replaced promptly.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410709101
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 964 1989 - 1994
* For cars with Thermostat Part Number:
96420704703
96420704306
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725104
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 964 1989-94
Diagram Ref No 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420721700
The product you are viewing cross references to these numbers
- 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
OE Match oil hose for thermostat for Porsche 964 models from 1989 to 1994. This replacement oil hose helps maintain correct engine oil flow between the thermostat and oil cooling circuit, supporting reliable lubrication and temperature control.
Fits:
Porsche 964 1989-94
* For cars with thermostat part number:
96420704705
96420704307
96420704308
Diagram Ref No 21
The oil hose carries engine oil through the thermostat-controlled cooling circuit. The thermostat regulates oil flow to the cooler as temperature changes, while the hose provides a sealed connection between system components.
Functions
• Replaces the oil hose for thermostat
• Carries engine oil through the thermostat cooling circuit
• Supports correct oil temperature regulation
• Helps maintain reliable engine lubrication
• Helps prevent oil leaks from aged or damaged hoses
• Suitable for oil line, thermostat, or oil cooling system service
• OE Match replacement for Porsche 964 oil system repair.
Why Replace This Part?
Oil hoses can harden, crack, swell, corrode at fittings, leak, or become damaged due to age, heat, oil pressure, vibration, and road exposure. A failing thermostat oil hose may cause oil leaks, reduced oil cooling efficiency, low oil level, contamination around the underside of the car, or failed inspection. Replacing the hose helps restore oil system integrity and reliable temperature control.
When to Replace This Part
• Oil is leaking around the thermostat or oil hose connection
• The hose is cracked, swollen, hardened, chafed, or damaged
• Fittings are corroded, seized, or no longer sealing correctly
• Oil thermostat or oil cooler service is being carried out
• Oil temperature issues or oil cooling faults are being investigated
• The vehicle has failed inspection due to oil leakage
• The car is undergoing Porsche 964 oil system restoration.
Where it fits on the car
This oil hose fits within the thermostat-controlled engine oil cooling circuit on Porsche 964 models. It connects to the thermostat area according to the factory oil line layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420724109
The product you are viewing cross references to these numbers