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Engine exhaust valves, SET OF 8. Porsche 982 Boxster / Cayman 2.0L 2017>> ❭ 9A210572101KIT
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This genuine Porsche OE Exhaust Valve Set is a complete set of 8 original exhaust valves designed for the 2.0L turbocharged flat-four engine used in Porsche 718 Boxster and Cayman (982) models. Manufactured to Porsche’s exact factory specifications, these valves ensure correct dimensions, material quality, and heat resistance required for high-performance engine operation.
SET OF 8 valves
Fits:
Porsche 982 (718) Boxster 2.0L 2017>>
Porsche 982C (718C) Cayman 2.0L 2017>>
Diagram ref no 5
This set provides all exhaust valves required for a full engine rebuild or cylinder head service (8 valves per engine).
Exhaust valves are critical components of the engine’s valvetrain system, responsible for controlling the release of burnt gases from the combustion chamber. They open and close in precise timing with the camshaft, allowing exhaust gases to exit efficiently while maintaining proper sealing during compression and combustion cycles.
Proper exhaust valve operation is essential for maintaining engine power, efficiency, and emissions control, especially in turbocharged engines where exhaust flow directly impacts turbo performance.
Functions & Technical Role
• Exhaust gas control: Allows combustion gases to exit each cylinder
• Combustion sealing: Closes tightly to maintain compression
• High-temperature resistance: Built from heat-resistant alloys for turbocharged engines
• Precision timing: Operates in sync with camshaft and valve train
• Complete engine set: 8 valves required for full cylinder head service
Exhaust valves operate under extreme heat and mechanical stress. Over time, they can wear, burn, or lose sealing efficiency, leading to:
• Loss of engine compression
• Reduced power and performance
• Rough running or misfires
• Increased emissions
Replacing valves as a complete set of 8 ensures balanced engine performance, proper sealing, and long-term reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A210572101KIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
The OE Match Engine Cylinder Head Inlet Valve is a high-quality replacement valvetrain component designed to regulate the flow of air and fuel into the engine's combustion chamber. Manufactured to OE specifications for fit, precision and durability, this inlet valve is essential for maintaining efficient engine breathing, combustion performance and overall engine reliability.
Fits:
- 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 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Diagram Ref No 9
Produced from high-strength, heat-resistant materials, the inlet valve is engineered to withstand constant operation and repeated opening and closing cycles. Working alongside the camshaft, valve springs, valve guides and cylinder head assembly, it ensures the precise delivery of the air-fuel mixture required for efficient combustion and optimum engine performance.
What This Product Does:
- Controls the intake of air and fuel into the combustion chamber.
- Opens and closes in precise timing with engine operation.
- Maintains an effective seal during the compression and combustion cycles.
- Supports efficient airflow and engine breathing.
- Helps maximise engine power and responsiveness.
- Contributes to fuel efficiency and emissions control.
- Forms a critical part of the engine valvetrain system.
Symptoms Of Wear Or Failure:
- Reduced engine power and performance.
- Rough idle or uneven engine operation.
- Engine misfires.Poor throttle response.
- Increased fuel consumption.
- Low compression in the affected cylinder.
- Difficulty starting the engine.
- Ticking or tapping noises from the cylinder head.
- Engine management warning lights or fault codes.
- Failed compression or leak-down test results.
Why Replacement Matters:
- Inlet valves are subjected to continuous operation and must withstand high temperatures, combustion pressures and constant airflow. Over time, valves can become worn, bent, burnt, carbon-contaminated or develop sealing issues that reduce their effectiveness and compromise engine performance.
- A damaged inlet valve can restrict airflow into the combustion chamber, resulting in poor combustion efficiency, reduced power output and increased fuel consumption. If left unresolved, valve-related problems can contribute to compression loss and cause further damage to valve seats, cylinder heads and other internal engine components.
- Replacing a worn or damaged inlet valve restores proper airflow, improves combustion efficiency and helps maintain optimal engine performance. An OE Match replacement provides factory-style fitment, precision manufacturing and long-term durability, ensuring reliable operation and helping protect your Porsche engine from premature wear and costly repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810540902
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 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86

Fits:
Porsche 911 1968-89 (12 Per Engine)
Porsche 924S (8 Per Engine)
Porsche 944 (8 Per Engine)
Porsche 944 2.7L (8 Per Engine)
Porsche 964 3.6L (12 Per Engine)
Porsche 964 Turbo (12 Per Engine)
Porsche 928 (16 Per Engine)
Click 'Zoom in' for large parts diagram.
Diagram Ref No 19.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410411107
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 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
EACH

Fits:
Porsche 911 1968-89 (12 Per Engine)
Porsche 924S (8 Per Engine)
Porsche 944 (8 Per Engine)
Porsche 944 2.7L (8 Per Engine)
Porsche 964 3.6L (12 Per Engine)
Porsche 964 Turbo (12 Per Engine)
Porsche 928 (16 Per Engine)
Click 'Zoom in' for large parts diagram.
Diagram Ref No 19.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410411107
The product you are viewing cross references to these numbers
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