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Porsche // 924 (1977-1988) // 924 Carrera GTS 2.0L 1982
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Engine cylinder head inlet valve. Porsche Boxster 986 2.5L / Boxster 986 2.7L - 99610511105
99610511105/2
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
Information
Engine Cylinder Head Inlet Valve.
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 long-term engine reliability.
Sold Each.
X12 Required Per Car.
Fits:
Diagram Ref No 8
Produced from premium-grade, heat-resistant materials, the inlet valve is engineered to withstand the constant mechanical loads and high operating temperatures associated with modern engine operation. Working in conjunction with the camshaft, valve springs, valve guides and cylinder head assembly, it ensures precise control of intake airflow, helping the engine deliver optimal power, fuel efficiency and responsiveness.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610511105
The product you are viewing cross references to these numbers
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 long-term engine reliability.
Sold Each.
X12 Required Per Car.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
Diagram Ref No 8
Produced from premium-grade, heat-resistant materials, the inlet valve is engineered to withstand the constant mechanical loads and high operating temperatures associated with modern engine operation. Working in conjunction with the camshaft, valve springs, valve guides and cylinder head assembly, it ensures precise control of intake airflow, helping the engine deliver optimal power, fuel efficiency and responsiveness.
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 compression and combustion cycles.
- Supports efficient airflow and engine breathing.
- Helps maximise engine performance and throttle response.
- Contributes to fuel efficiency and emissions control.
- Forms a critical part of the engine valvetrain system.
Symptoms Of Wear Or Failure:
- Loss of engine power and performance.
- Rough idle or uneven engine running.
- Engine misfires.
- Poor throttle response and acceleration.
- 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 opening and closing cycles while being exposed to heat, combustion by-products and airflow turbulence. Over time, valves can become worn, bent, burnt, carbon-contaminated or develop sealing issues that negatively affect engine efficiency and performance.
- A damaged inlet valve can restrict airflow into the combustion chamber, resulting in poor combustion, reduced power output and increased fuel consumption. If left unresolved, valve-related problems can contribute to compression loss and may cause additional wear 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.
99610511105
99610511102
99610511105
3657.032
854437-6
The product you are viewing cross references to these numbers
Price: £29.00
In stock
Related products
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Information
Valve spring set, consisting of inner and outer spring (1 each).
Fits:
Porsche 924 (1976 to 1985)
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG109623
The product you are viewing cross references to these numbers
Fits:
Porsche 924 (1976 to 1985)
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG109623
046109623
048109623
PCG109623
The product you are viewing cross references to these numbers
Price: £65.67
Orderable
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Information
Valve stem seal - for inlet and exhaust valves
Sold each - 8 required per car
Fits:
Porsche 924 - 1976 to 1985
Porsche 924 turbo - 1979 to 1984
Porsche 924 Carrera GT - 1981 to 1982
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046109675A
The product you are viewing cross references to these numbers
Sold each - 8 required per car
Fits:
Porsche 924 - 1976 to 1985
Porsche 924 turbo - 1979 to 1984
Porsche 924 Carrera GT - 1981 to 1982
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046109675A
046109675A
The product you are viewing cross references to these numbers
Price: £7.25
In stock
Vehicle Group
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
Information
Valve stem seal kit- for inlet and exhaust valves
Set of 8 valve stem seals
Fits:
Porsche 924 - 1976 to 1985
Porsche 924 turbo - 1979 to 1984
Porsche 924 Carrera GT - 1981 to 1982
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046109675AKIT
The product you are viewing cross references to these numbers
Set of 8 valve stem seals
Fits:
Porsche 924 - 1976 to 1985
Porsche 924 turbo - 1979 to 1984
Porsche 924 Carrera GT - 1981 to 1982
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
046109675AKIT
046109675A
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
8 x Valve stem seal. Porsche 924 / 924 turbo (046109675A/1)
Unit Price: £7.25
InStock
Price: £58.00
In stock