Gasket for water pump thermostat Genuine Porsche part 99610632650

Replacement bleed valve cap with 8 screws and seal



Fits:
Porsche 996 1998-05
Porsche 997 MKI 2005>>
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005>>
Porsche 987C Cayman 2005>>

This product supersedes Porsche's old part numbers:
- 99610634700
- 99610634701

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Diagram ref no 3, 4, 11 and 12.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610634702

The product you are viewing cross references to these numbers

Water pump gasket.


Fits:
Porsche 996 Turbo / GT2 2001>>
Porsche 996 GT3 2000>>

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Diagram ref no 3

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99610634071

The product you are viewing cross references to these numbers

Thermostat housing gasket.



Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 C2 / C4 / C2S / C4S 2005-08

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Diagram Ref No 7.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610632651

The product you are viewing cross references to these numbers

Water pump gasket.



Fits:
Porsche Boxster 1997-04
Porsche 996 C2/4 1997-04 (non Turbo)
Porsche 997 C2/4 2005-08 (non Turbo)

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Diagram ref no 2

Related reference numbers
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99610634054

The product you are viewing cross references to these numbers

Oil pump gasket.



Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 MKI C2 / C2S / C4 / C4S 2005-08 Coupe / Cabrio

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Diagram Ref No 8.

Related reference numbers
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99610631652

The product you are viewing cross references to these numbers

Oil pump gasket.



Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 MKI C2 / C2S / C4 / C4S 2005-08 Coupe / Cabrio

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Diagram Ref No 11.

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99610632151

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Water Thermostat Housing With Thermostat Insert And Gasket.
Standard Temperature 83 °C
The OE Match Water Thermostat Housing with Thermostat Insert and Gasket is a complete replacement cooling system assembly designed to regulate engine coolant flow and maintain the optimum operating temperature. Supplied with a standard temperature 83°C thermostat insert and sealing gasket, this OE-quality assembly provides a direct replacement solution for worn or faulty thermostat housings.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02
• Porsche Boxster 986 2.7L 2003-04
• Porsche Boxster S 986 3.2L 2003-04
• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01
• Porsche 996 C2 3.6L 09/01-2005
• Porsche 996 C4 3.6L 09/01-2005
• Porsche 996 C4S 3.6L 09/01-2005
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08  

Diagram Ref No 5

Manufactured to OE specifications for fit, durability and cooling performance, the assembly features a precision-engineered thermostat housed within a robust, heat-resistant housing. The thermostat remains closed during engine warm-up to allow the engine to reach its correct operating temperature quickly before opening at approximately 83°C to allow coolant to circulate through the radiator, preventing overheating while maintaining efficient engine operation.

What This Product Does:

• Regulates coolant flow throughout the engine cooling system.
• Opens at approximately 83°C to maintain the correct engine operating temperature.
• Speeds up engine warm-up after a cold start.
• Prevents engine overheating during normal operation.
• Improves fuel efficiency by maintaining optimum engine temperature.
• Supports efficient cabin heater performance.
• Includes a new housing, thermostat insert and gasket for a complete installation.

Symptoms Of Wear Or Failure:

• Engine overheating.
• Engine taking an unusually long time to reach operating temperature.
• Fluctuating temperature gauge readings.
• Coolant leaks around the thermostat housing.
• Low coolant level warnings.
• Poor cabin heater performance.
• Engine running too hot or too cold.
• Illuminated engine or cooling system warning lights.
• Visible cracks or damage to the thermostat housing.
• Increased fuel consumption caused by incorrect engine temperature.

Why Replacement Matters:

• The thermostat and housing are essential components of the engine cooling system and are continuously exposed to heat cycles, coolant pressure and engine vibration. Over time, the thermostat can stick open or closed, while the housing and seals may deteriorate or develop leaks.
• A thermostat that remains closed can quickly cause engine overheating, while one that remains open prevents the engine from reaching its correct operating temperature. Both conditions reduce engine efficiency, increase fuel consumption and can lead to premature engine wear. Coolant leaks from a damaged housing can also result in coolant loss and severe engine damage if left unresolved.
• Replacing the complete thermostat housing assembly with a new thermostat insert and gasket restores correct coolant regulation, improves engine efficiency and protects against overheating. An OE Match replacement provides factory-style fitment, reliable temperature control and long-lasting durability, helping maintain the performance, reliability and longevity expected from your Porsche.

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99610601361

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160F Low Temperature Thermostat HOUSING WITH INSERT & Gasket for 986 as well as 996 models and replaces the factory 186F thermostat insert, Porsche part numbers 996 106 125 52 (53). Also fits 987 and 997 models to 2008. Does not fit MY09+ DFI engines.

Fits:
Porsche 986 Boxster 1997-2004
Porsche 996 C2, C4
Porsche 987 Boxster 2005>>
Porsche 997 2005-08

Price includes new low temperature thermostat insert manufactured in Germany by one of the same manufacturers that makes the oe thermostat insert, allowing you to reuse your original housing. Provides increased cooling capacity increasing power while ensuring consistent performance and extending engine-component longevity.

Installation recommended only by trained Porsche technician or Porsche service department using genuine Porsche coolant.

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Diagram Ref No 5, 6 & 7

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99610601361

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Engine Gasket Set.
Engine re-build complete gasket set, INCLUDING head gaskets.
This kit is made with very high quality gaskets, and are complete gasket sets to complete the job.

The OE Match Engine Gasket Set is a premium-quality replacement sealing kit designed to restore the integrity of compatible Porsche engines during repairs, rebuilds or major servicing. Manufactured to OE specifications for fit, material quality and durability, this comprehensive gasket set provides the essential seals required to prevent oil, coolant and compression leaks while maintaining optimum engine performance and reliability.

Fits:

• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01 

Manufactured using premium-quality gasket materials selected for their resistance to heat, pressure, engine oil, coolant and fuel, the components are engineered to withstand the demanding operating conditions of modern and classic Porsche engines. Precision-cut for accurate OE-style fitment, the gasket set helps ensure reliable sealing across multiple engine assemblies, making it ideal for professional engine rebuilds, overhauls and preventative maintenance.

What This Product Does:

• Provides reliable sealing between critical engine components.
• Prevents oil, coolant and compression leaks.
• Maintains correct engine compression and efficiency.
• Supports proper lubrication and cooling system operation.
• Protects the engine from contamination and fluid loss.
• Restores factory sealing performance during engine repairs.
• Includes essential gaskets for comprehensive engine servicing.
• Forms an integral part of the engine sealing system.

Symptoms Of Wear Or Failure:

• Engine oil leaks.
• Coolant leaks.
• Overheating caused by coolant loss.
• White exhaust smoke indicating coolant entering the combustion chamber.
• Low engine compression.
• Mixing of oil and coolant.
• Visible gasket deterioration during servicing.
• Loss of engine performance.
• Increased oil consumption.
• Persistent fluid leaks after component removal or rebuilds.

Why Replacement Matters:

• Engine gaskets operate under extreme temperatures, high pressures and continual thermal expansion and contraction. Over time, gasket materials can harden, compress or deteriorate, reducing their ability to maintain an effective seal between engine components.
• Failing gaskets can allow oil, coolant or combustion gases to escape, resulting in reduced engine performance, overheating, fluid contamination and accelerated internal engine wear. During any engine rebuild or major repair, replacing all relevant gaskets is essential to ensure long-term reliability and avoid repeat labour.
• Replacing worn gaskets with the OE Match Engine Gasket Set restores the engine's sealing integrity and helps ensure reliable operation throughout the entire engine assembly. Manufactured to OE standards using premium sealing materials, this complete gasket set provides factory-style fitment, long-lasting durability and dependable performance, making it the ideal solution for Porsche engine rebuilds, servicing and restoration projects.

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999100M9601

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