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- 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
The Genuine Porsche Cylinder Head Gasket 93010438101 is a replacement engine sealing component designed for compatible Porsche applications. Positioned at the cylinder head sealing interface, it plays a critical role in maintaining a secure seal under the high temperatures and pressures generated during engine operation.
Fits:
- 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
Diagram Ref No 8
Cylinder head sealing is essential for correct engine performance. The gasket helps maintain the required seal between mating engine components, preventing combustion pressure and engine fluids from escaping into areas where they do not belong.
Because this gasket operates in an extremely demanding environment, deterioration, overheating, incorrect installation or engine component distortion can eventually compromise its sealing ability. A failed cylinder head gasket should be addressed promptly to prevent further engine damage.
What This Product Does:
The cylinder head gasket creates a high-integrity seal at the cylinder head interface.
Depending on the engine design, this sealing interface must withstand combustion pressure, high operating temperatures and the circulation of engine fluids through adjacent passages.
A correctly functioning cylinder head gasket helps:
- Maintain cylinder and combustion sealing
- Prevent combustion gases escaping from the sealing interface
- Keep engine fluids within their intended passages
- Maintain correct engine compression
- Support consistent engine performance
- Protect adjoining engine components from leakage
- Maintain the integrity of the cylinder head assembly
Unlike a simple external seal, a cylinder head gasket must continue sealing while exposed to substantial pressure and repeated thermal expansion and contraction.
Symptoms Of Wear Or Failure:
Cylinder head gasket failure can present in different ways depending on where the gasket has lost its seal.
Possible symptoms include:
- Loss of engine compression
- Reduced engine performance
- Rough running or misfiring
- Difficult starting
- Abnormal combustion leakage
- Oil leakage around the cylinder head sealing area
- Unusual engine temperatures or overheating
- Increased oil consumption
- Abnormal exhaust smoke
- Unexplained fluid loss where applicable
- Contamination between fluid passages where applicable
- Unusual pressure within associated engine systems
External signs may include visible staining, seepage or deposits around the cylinder head joint.
Some cylinder head gasket problems may not produce an obvious external leak, making correct diagnosis important before dismantling the engine.
Why Replacement Matters:
A compromised cylinder head gasket can affect compression, engine performance and sealing integrity.
Continuing to operate an engine with a failed gasket may allow a relatively localised sealing problem to develop into more extensive engine damage.
Replacing a failed cylinder head gasket helps:
- Restore the cylinder head sealing interface
- Maintain correct compression
- Prevent combustion gas leakage
- Reduce engine fluid leakage where applicable
- Restore consistent engine operation
- Protect surrounding engine components
- Reduce the risk of further engine damage
Cylinder head gasket problems should therefore be investigated promptly rather than treated as a minor leak.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010438101
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
Fits:
Porsche 987.2 Boxster 2.9L 2009-12
Porsche 987C.2 Cayman 2.9L 2009-12
Porsche 981 Boxster 2.7L 2012-16
Porsche 981C Cayman 2.7L 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110414
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cyaman 2009-12
Porsche 997.2 Carrera 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110430
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cyaman 2009-12
Porsche 997.2 Carrera 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A11043
The product you are viewing cross references to these numbers