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Hoses / Pipes / Sleeves
By OE Match
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
OE Match breather hose from the air flow sensor boot “T” fitting for Porsche 928 models from 1987 to 1995. This replacement hose helps maintain correct crankcase ventilation and intake breather routing, supporting smooth engine running and proper air intake system operation.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 27
The breather hose routes crankcase vapours and ventilation flow through the intake system. A correctly fitted hose helps maintain proper air metering, reduce vacuum leaks, and prevent unmetered air from entering the intake tract.
Functions
• Replaces the breather hose from the air flow sensor boot “T” fitting
• Supports correct crankcase ventilation routing
• Helps maintain proper intake air metering
• Helps prevent vacuum leaks and unmetered air entry
• Supports smooth idle and reliable throttle response
• Suitable for intake system service, breather repair, or engine restoration
• OE Match replacement for Porsche 928 intake and breather system maintenance
Why Replace This Part?
Breather hoses can harden, crack, split, collapse, or become oil-soaked due to age, heat, oil vapour exposure, and engine bay conditions. A damaged hose may cause rough idle, poor running, vacuum leaks, intake air leaks, oil vapour smell, or incorrect air flow sensor readings. Replacing the hose helps restore correct breather system sealing and intake performance.
When to Replace This Part
• Breather hose is cracked, brittle, split, collapsed, or leaking
• Rough idle, hesitation, or poor running is present
• Vacuum leak symptoms are detected
• Oil vapour smell or residue is visible around the hose
• Air flow sensor boot or intake system service is being carried out
• Engine breather system maintenance is in progress
• Vehicle is undergoing Porsche 928 restoration or engine bay refresh
Where it fits on the car
This hose fits in the engine intake and breather system, running from the air flow sensor boot “T” fitting on Porsche 928 models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811043203
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 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
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Clamp D1 20x15 – Multi-Position Clamp
High-quality D1 20x15 clamp designed for securing various components across Porsche 924S, 944, 928, 964, and 993 models.
This versatile clamp is used in multiple applications including bonnet release cables (924S / 944), expansion tank hoses (944), engine wiring loom (928 S4), injection vacuum hoses (964), and brake reservoir connections (993).
Fits:
- 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 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
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 24
Manufactured to OEM specifications, this clamp ensures secure fitment, durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration across multiple Porsche systems.
Key Features
• Clamp size D1 20x15
• Suitable for Porsche 964S, 944, 928, 964, and 993
• Part number 99951117701
• Multi-use: cables, hoses, wiring looms, vacuum lines
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually
Function and Purpose
This clamp is designed to secure a wide range of components.
It helps to:
• Hold cables, hoses, and wiring looms in place
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Protect sensitive systems such as wiring and vacuum lines
• Ensure long-term reliability across multiple systems
Why Replace Clamps
Clamps can degrade over time due to heat and environmental exposure.
Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of hoses, cables, or wiring
• Increased risk of system wear or failure
Replacing worn clamps ensures proper securing and protects critical components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951117701
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
OE Match engine crankcase breather hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement hose runs from the plenum to the MAFS connector, helping maintain correct crankcase ventilation, intake sealing, and smooth engine operation.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 11
The crankcase breather hose routes crankcase vapours from the engine ventilation system into the intake system for controlled recirculation. A correctly sealed hose helps prevent vacuum leaks, unmetered air entry, oil vapour escape, and poor running caused by damaged or split breather hoses.
Functions
• Replaces the engine crankcase breather hose
• Fits from the plenum to the MAFS connector
• Supports correct crankcase ventilation routing
• Helps maintain intake system sealing
• Helps prevent vacuum leaks and unmetered air entry
• Supports smooth idle, throttle response, and reliable engine running
• Suitable for intake service, breather system repair, or engine bay restoration
• OE Match replacement for Porsche 928 S4, GT, and GTS breather system maintenance.
Why Replace This Part?
Crankcase breather hoses can harden, crack, split, collapse, or become oil-soaked due to age, heat, oil vapour exposure, and engine bay conditions. A damaged hose may cause rough idle, hesitation, vacuum leaks, intake air leaks, oil vapour smell, oil mist residue, or incorrect air metering. Replacing the hose helps restore correct breather system function and intake performance.
When to Replace This Part
• Breather hose is cracked, brittle, split, collapsed, or leaking
• Rough idle, hesitation, or poor running is present
• Vacuum leak or unmetered air symptoms are detected
• Oil vapour smell or oily residue is visible around the hose
• Plenum, MAFS connector, or intake system service is being carried out
• Engine crankcase breather system maintenance is in progress
• Vehicle is undergoing Porsche 928 engine bay restoration or refresh.
Where it fits on the car
This hose fits within the engine intake and crankcase breather system, running from the plenum to the MAFS connector on Porsche 928 S4, GT, and GTS models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811017409
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 1975-1977 3.0L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Hose 8 x 14mm Wastegate, Warm Up Regulator & Coolant
Expansion Tank
Sold per metre
High-quality hose designed for multiple Porsche applications, including the warm-up regulator (WUR) and turbocharger wastegate systems on the Porsche 911, as well as the coolant expansion bottle on the Porsche 928.
This versatile hose supports both fuel/air control systems and coolant circulation, making it an essential component for maintaining proper engine performance, boost control, and cooling system efficiency.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 16 and 46
Supplied per metre, this hose allows precise length replacement and flexible routing, making it ideal for maintenance, repair, or restoration of Porsche engine bay systems. Manufactured to OEM specifications for durability and reliable performance.
Key Features
• 8mm internal diameter, 14mm outer diameter
• Suitable for Porsche 911 and Porsche 928
• Part number 99918170950
• Multi-use: WUR, wastegate, and coolant expansion systems
• Sold per metre for custom length applications
• Resistant to heat, pressure, and fluid exposure
• Flexible and durable construction
• OEM-style fit and performance
Function and Purpose
This hose is used across several critical systems.
It helps to:
• Supply air or pressure signals to the warm-up regulator (WUR)
• Support turbocharger wastegate operation and boost control
• Transport coolant to/from the expansion bottle (928)
• Maintain system pressure and fluid flow
• Ensure reliable engine and turbo performance
Why Replace Hoses
Hoses degrade over time due to heat, pressure, and fluid exposure.
Common issues include:
• Cracking or splitting
• Boost or vacuum leaks affecting performance
• Coolant leaks leading to overheating
• Hardening and reduced flexibility
Replacing worn hoses ensures safe operation and restores system efficiency.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99918170950
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
OE Match intake distributor throttle to idle control valve hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement air ducting hose fits between the idle speed adjuster and throttle body, helping restore correct idle air control, intake sealing, and smooth engine running.
Fits:
Porsche 928 S4 1987 - 1991
Porsche 928 GT 1989 - 1991
Porsche 928 GTS 1992 - 1995
Diagram ref no 15
The hose routes controlled bypass air between the idle speed adjuster and throttle body as part of the idle air control system. A correctly sealed hose helps the engine control idle speed accurately, prevents unmetered air entry, and supports smooth running at idle and low throttle openings.
Functions
• Replaces the intake distributor throttle to idle control valve hose
• Fits between idle speed adjuster and throttle body
• Routes idle control air correctly
• Helps maintain stable idle speed
• Helps prevent vacuum leaks and unmetered air entry
• Supports smooth throttle response and reliable engine running
• Suitable for intake service, idle control repair, or engine bay restoration
• OE Match replacement for Porsche 928 S4, GT, and GTS intake system maintenance.
Why Replace This Part?
Idle control and intake air hoses can harden, crack, split, collapse, or become oil-soaked due to age, heat, engine bay conditions, and repeated temperature cycles. A damaged hose may cause rough idle, high or unstable idle speed, hesitation, vacuum leaks, intake air leaks, poor throttle response, or incorrect idle control valve operation. Replacing the hose helps restore proper intake sealing and idle control system function.
When to Replace This Part
• Idle is rough, high, hunting, or unstable
• Hose is cracked, brittle, split, collapsed, or leaking
• Vacuum leak symptoms are present
• Poor low-speed throttle response is noticed
• Idle speed adjuster or throttle body service is being carried out
• Intake air system maintenance is in progress
• Vehicle is undergoing Porsche 928 engine bay restoration or refresh.
Where it fits on the car
This hose fits within the engine intake and idle air control system, running between the idle speed adjuster and throttle body on Porsche 928 S4, GT, and GTS models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811063300
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
This OE Match vacuum hose / brake booster line is a replacement engine bay vacuum hose for Porsche 928 models from 1987 to 1995. It is associated with the LH-Jetronic intake hose system and is designed to match the original-style fitment and function within the brake booster vacuum circuit.
Fits:
Porsche 928 S4 1987 – 1991
Porsche 928 GT 1989 – 1991
Porsche 928 GTS 1992 – 1995
Diagram ref no 12
The hose carries vacuum from the engine intake system to the brake booster vacuum circuit. It connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum line arrangement, helping maintain the vacuum supply required for brake servo assistance and correct vacuum system operation.
Functions
• Connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit
• Carries engine vacuum through the engine bay vacuum system
• Supports brake booster / brake servo vacuum supply
• Helps maintain correct vacuum pressure in the brake assist circuit
• Supports reliable brake pedal assistance
• Replaces cracked, split, hardened, or leaking original vacuum hoses
• OE Match replacement for Porsche 928 vacuum and brake booster system repair.
Why Replace This Part?
Vacuum hoses can become hard, brittle, cracked, loose, or split due to heat, age, engine bay conditions, and long-term vacuum load. A damaged brake booster vacuum hose can cause vacuum leaks, poor brake servo assistance, rough idle, running issues, or faults in connected vacuum-controlled systems. Replacing the hose helps restore proper sealing, reliable vacuum supply, and safe brake assist function.
When to Replace This Part
• The vacuum hose is cracked, split, brittle, or perished
• The hose is loose or no longer seals correctly
• Vacuum leaks are suspected in the engine bay
• Brake pedal assistance feels reduced or inconsistent
• The brake booster / servo vacuum circuit is being repaired
• The LH-Jetronic intake hose system is being serviced
• The vehicle is undergoing Porsche 928 engine bay or braking system restoration.
Where it fits on the car
This hose fits in the engine bay vacuum system of the Porsche 928. It is associated with the LH-Jetronic intake hose system and connects the left intake side cover area to the brake venturi “Y” / brake booster vacuum circuit.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022001
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
OE Match vacuum hose for Porsche 928 S4, GT, and GTS models from 1987 to 1995. This replacement hose fits from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide, helping restore correct vacuum routing and intake system operation.
Fits:
Porsche 928 S4 / GT 1987 - 1991
* Engine code: 2841 / 2842 / 2847
Porsche 928 GTS 1992 - 1995
* Engine code: 2849 / 2850
Diagram ref no 10
The vacuum hose routes vacuum between the left “Y” connection at the air guide elbow and the brake venturi / suction jet pump air guide. Correct vacuum hose sealing helps maintain proper vacuum supply, supports brake assist operation, and prevents unmetered air or vacuum leaks that can affect engine running.
Functions
• Replaces the vacuum hose
• Fits from the left “Y” at the air guide elbow
• Connects to the brake venturi / suction jet pump air guide
• Supports correct vacuum routing
• Helps maintain brake vacuum assist system operation
• Helps prevent vacuum leaks and poor running
• Suitable for intake system service, vacuum leak repair, or engine bay restoration
• OE Match replacement for Porsche 928 S4, GT, and GTS vacuum system maintenance.
Why Replace This Part?
Vacuum hoses can harden, crack, split, collapse, or become loose due to age, heat, oil vapour exposure, and engine bay conditions. A damaged vacuum hose may cause vacuum leaks, rough idle, hesitation, poor throttle response, brake assist issues, intake air leaks, or incorrect vacuum system operation. Replacing the hose helps restore correct vacuum sealing and reliable system function.
When to Replace This Part
• Vacuum hose is cracked, brittle, split, collapsed, or leaking
• Rough idle, hesitation, or poor running is present
• Vacuum leak symptoms are detected
• Brake assist feels inconsistent or reduced
• Air guide elbow or suction jet pump area is being serviced
• Engine vacuum system maintenance is being carried out
• Vehicle is undergoing Porsche 928 engine bay restoration or refresh.
Where it fits on the car
This hose fits within the engine intake and vacuum system, running from the left “Y” at the air guide elbow to the brake venturi / suction jet pump air guide on Porsche 928 S4, GT, and GTS models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811022400
The product you are viewing cross references to these numbers
OEMatch Hoses, Pipes & Sleeves — Fit, Function, Confidence
Hoses, pipes and sleeves route and seal airflow and fluids across a Porsche’s intake, turbo and cooling systems. OEMatch supplies options for Porsche models, covering inlet, turbo and coolant circuits. Many owners search for genuine or OEM parts; these alternatives are prepared to match original specifications and mounting points where required.
Available Types- Air inlet and filter-to-throttle hoses
- Turbo inlet and charge-air pipes
- Intercooler and intercooler-to-throttle hoses
- Vacuum and breather lines
- Coolant and heater hoses
- Protective sleeves and heat shields
- Restored airtight connections to recover throttle response and stable idling
- Improved turbo and charge-air control for consistent boost delivery
- Reduced risk of unmetered air, misfires or engine-management faults
- Thermal cycling and vibration causing cracks, splits or hardening
- Oil, fuel vapour or chemical contamination that softens or degrades materials
- Loose, corroded or damaged clamps and fixings allowing leaks
- Selection of materials suited to high-temperature and pressurised systems
- Designed to match original mounting points and routing for straightforward fitment
- Replacement parts selected to reflect Porsche application needs and service practices
