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Engine cylinder head inlet valve. Porsche Boxster 986 3.2L / 996 - 99610511155
99610511155/2
Vehicle Group
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Engine Cylinder Head Inlet Valve.
The OE Match Engine Cylinder Head Inlet Valve is a high-quality replacement valvetrain component designed to control the flow of the air-fuel mixture into the engine's combustion chamber. Manufactured to OE specifications for fit, precision and durability, this inlet valve plays a crucial role in maintaining efficient engine breathing, combustion efficiency and overall engine performance.
Fits:
Diagram Ref No 8
Constructed from premium-grade, heat-resistant materials, the inlet valve is engineered to withstand constant operation, repeated opening and closing cycles, and the demanding conditions found within the cylinder head. Working alongside the camshaft, valve springs, valve guides and cylinder head assembly, it ensures precise airflow management and reliable combustion throughout the engine's operating range.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610511155
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 control the flow of the air-fuel mixture into the engine's combustion chamber. Manufactured to OE specifications for fit, precision and durability, this inlet valve plays a crucial role in maintaining efficient engine breathing, combustion efficiency and overall engine performance.
Fits:
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Diagram Ref No 8
Constructed from premium-grade, heat-resistant materials, the inlet valve is engineered to withstand constant operation, repeated opening and closing cycles, and the demanding conditions found within the cylinder head. Working alongside the camshaft, valve springs, valve guides and cylinder head assembly, it ensures precise airflow management and reliable combustion throughout the engine's operating range.
What This Product Does:
- Regulates the intake of air and fuel into the combustion chamber.
- Opens and closes in precise synchronisation with the engine cycle.
- Maintains an effective seal during compression and combustion.
- Supports efficient airflow and cylinder filling.
- Helps maximise engine power and throttle response.
- Contributes to fuel economy and emissions control.
- Forms an essential part of the engine valvetrain system.
Symptoms Of Wear Or Failure:
- Reduced engine power and acceleration.
- 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 operate continuously under demanding conditions, experiencing thousands of opening and closing cycles every minute while being exposed to heat, combustion deposits and airflow turbulence. Over time, valves can become worn, bent, burnt, carbon-contaminated or develop sealing issues that reduce 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 lead to compression loss and may cause additional 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.
99610511155
99610511152
99610511155
3843.032
854415-6
The product you are viewing cross references to these numbers
Price: £33.00
In stock
Related products
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
Information
Exhaust Valve Guide Outlet.
Maintain accurate valve operation and long-term engine reliability with this OE Match Exhaust Valve Guide (Outlet), manufactured as a direct replacement. Produced to OE-style specifications, this valve guide supports and aligns the exhaust valve as it moves within the cylinder head, ensuring smooth operation, correct seating, and effective heat transfer from the valve to the cylinder head.
Sold Each.
Fits:
Diagram Ref No 5
Operating under extreme temperatures and continuous movement, exhaust valve guides gradually wear over time. Excessive clearance between the valve stem and guide can result in poor valve alignment, increased oil consumption, loss of compression, and accelerated valve train wear. Replacing worn valve guides restores correct valve support and helps maintain efficient engine performance. This OE Match component is ideal for routine maintenance, engine repairs, cylinder head refurbishment, engine rebuilds, and Porsche restoration projects.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610432260
The product you are viewing cross references to these numbers
Maintain accurate valve operation and long-term engine reliability with this OE Match Exhaust Valve Guide (Outlet), manufactured as a direct replacement. Produced to OE-style specifications, this valve guide supports and aligns the exhaust valve as it moves within the cylinder head, ensuring smooth operation, correct seating, and effective heat transfer from the valve to the cylinder head.
Sold Each.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
Diagram Ref No 5
Operating under extreme temperatures and continuous movement, exhaust valve guides gradually wear over time. Excessive clearance between the valve stem and guide can result in poor valve alignment, increased oil consumption, loss of compression, and accelerated valve train wear. Replacing worn valve guides restores correct valve support and helps maintain efficient engine performance. This OE Match component is ideal for routine maintenance, engine repairs, cylinder head refurbishment, engine rebuilds, and Porsche restoration projects.
What This Product Does:
- Supports and accurately guides the exhaust valve within the cylinder head.
- Maintains correct valve alignment throughout operation.
- Promotes proper valve seating for effective cylinder sealing.
- Assists with heat transfer from the exhaust valve to the cylinder head.
- Reduces wear on the valve stem and valve seat.
- Restores original valve train geometry during engine rebuilds.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Excessive engine oil consumption.
- Blue exhaust smoke caused by oil entering the combustion chamber.
- Reduced engine compression.
- Excessive valve stem movement.
- Accelerated valve stem or valve seat wear.
- Rough engine running or reduced performance.
- Excessive valve train noise.
- Worn or oversized valve guide bore.
Why Replacement Matters:
- The exhaust valve guide plays a vital role in maintaining correct valve alignment, supporting smooth valve movement, and transferring heat away from the exhaust valve. A worn valve guide can allow excessive valve movement, resulting in poor sealing, increased oil consumption, reduced compression, and premature wear of other valve train components.
- Replacing the exhaust valve guide restores accurate valve operation, improves combustion efficiency, and helps extend the service life of the engine during rebuilds or cylinder head refurbishment. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match exhaust valve guide provides the correct fit, dependable quality, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, engine rebuilds, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610432260
61610432260
The product you are viewing cross references to these numbers
Price: £13.80
In stock
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Engine Cylinder Head Exhaust Valve.
Restore dependable engine performance with this OE Match Engine Cylinder Head Exhaust Valve, manufactured as a direct replacement. Produced to OE-style specifications, this exhaust valve is designed to control the release of combustion gases from the cylinder, maintaining efficient engine operation, correct compression, and reliable valve train performance.
Fits:
Diagram Ref No 11
Exhaust valves operate under extreme temperatures and repeated combustion cycles, making them one of the most highly stressed components within the engine. Over time, heat, carbon deposits, corrosion, or insufficient lubrication can cause the valve face, stem, or seating surface to wear or burn, leading to poor sealing and reduced engine efficiency. Replacing worn or damaged exhaust valves restores proper combustion sealing and exhaust gas flow, making this OE Match component ideal for routine maintenance, engine repairs, rebuilds, and Porsche restoration projects.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610540650
The product you are viewing cross references to these numbers
Restore dependable engine performance with this OE Match Engine Cylinder Head Exhaust Valve, manufactured as a direct replacement. Produced to OE-style specifications, this exhaust valve is designed to control the release of combustion gases from the cylinder, maintaining efficient engine operation, correct compression, and reliable valve train performance.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 11
Exhaust valves operate under extreme temperatures and repeated combustion cycles, making them one of the most highly stressed components within the engine. Over time, heat, carbon deposits, corrosion, or insufficient lubrication can cause the valve face, stem, or seating surface to wear or burn, leading to poor sealing and reduced engine efficiency. Replacing worn or damaged exhaust valves restores proper combustion sealing and exhaust gas flow, making this OE Match component ideal for routine maintenance, engine repairs, rebuilds, and Porsche restoration projects.
What This Product Does:
- Controls the release of exhaust gases from the combustion chamber.
- Maintains correct cylinder sealing during the combustion cycle.
- Supports efficient engine performance and combustion.
- Helps maintain correct compression and valve timing.
- Restores proper exhaust gas flow.
- Replaces worn, burnt, or damaged original exhaust valves.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Loss of engine power.
- Reduced engine compression.
- Rough or uneven idle.
- Engine misfires.
- Excessive valve train noise.
- Burnt, pitted, or cracked valve faces.
- Increased exhaust emissions.
- Excessive heat damage or carbon build-up on the valve.
Why Replacement Matters:
- The exhaust valve plays a critical role in allowing spent combustion gases to exit the engine while maintaining an effective seal during compression and combustion. A worn, burnt, or damaged exhaust valve can reduce engine performance, lower compression, increase fuel consumption, and eventually cause serious engine damage if left unresolved.
- Replacing the exhaust valve restores efficient exhaust gas flow, reliable cylinder sealing, and smooth engine operation while helping to protect other valve train components from unnecessary wear. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match engine cylinder head exhaust valve provides the correct fit, dependable quality, and long-lasting durability, making it an ideal choice for Porsche maintenance, engine rebuilds, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610540650
61610540650
3398.239
61610540601
864408-4
The product you are viewing cross references to these numbers
Price: £33.00
In stock
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Engine Cylinder Head Intake Valve.
Diagram Ref No 10
Operating under constant heat, pressure, and repeated opening and closing cycles, intake valves are subject to gradual wear over time. Carbon build-up, stem wear, valve face erosion, or physical damage can prevent the valve from sealing correctly, reducing engine efficiency and performance. Replacing worn or damaged intake valves restores proper cylinder sealing and airflow, making this OE Match component an excellent choice for routine maintenance, engine repairs, rebuilds, and Porsche restoration projects.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610540200
The product you are viewing cross references to these numbers
Restore reliable engine performance with this OE Match Engine Cylinder Head Intake Valve, manufactured as a direct replacement. Produced to OE-style specifications, this intake valve precisely controls the flow of the air and fuel mixture into the combustion chamber, ensuring efficient combustion, smooth engine operation, and optimum performance.
Fits:- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 10
Operating under constant heat, pressure, and repeated opening and closing cycles, intake valves are subject to gradual wear over time. Carbon build-up, stem wear, valve face erosion, or physical damage can prevent the valve from sealing correctly, reducing engine efficiency and performance. Replacing worn or damaged intake valves restores proper cylinder sealing and airflow, making this OE Match component an excellent choice for routine maintenance, engine repairs, rebuilds, and Porsche restoration projects.
What This Product Does:
- Controls the intake of the air and fuel mixture into the combustion chamber.
- Maintains correct cylinder sealing during the combustion cycle.
- Supports efficient combustion and engine performance.
- Helps deliver smooth power and throttle response.
- Restores correct valve operation during engine rebuilds.
- Replaces worn, burnt, or damaged original intake valves.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Loss of engine power.
- Rough or uneven idle.
- Reduced engine compression.
- Misfiring cylinders.
- Poor fuel economy.
- Excessive valve train noise.
- Burnt, pitted, or bent valve faces.
- Excessive oil consumption caused by valve-related wear.
Why Replacement Matters:
- The intake valve is a critical component of the engine's valve train, regulating the precise amount of air and fuel entering each cylinder while maintaining an effective seal throughout the combustion cycle. A worn, burnt, or damaged intake valve can reduce compression, lower engine performance, increase fuel consumption, and eventually lead to costly engine damage if left unresolved.
- Replacing the intake valve restores proper airflow, combustion efficiency, and reliable engine performance while helping to protect other valve train components from unnecessary wear. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match engine cylinder head intake valve provides the correct fit, dependable quality, and long-lasting durability, making it an ideal choice for Porsche maintenance, engine rebuilds, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610540200
61610540200
The product you are viewing cross references to these numbers
Price: £29.00
In stock