Genuine 90023416000 Engine Coolant Thermostat Shim

Engine Coolant Thermostat Shim for Porsche 944 and 968

This Genuine engine coolant thermostat shim is a direct-fit hardware component used in the thermostat stack on select Porsche 944 and Porsche 968 models. It is specified for the thermostat-to-seal ring or thermostat-to-circlip location, depending on application year.

Key Features

• Genuine part number 90023416000
• Engine coolant thermostat shim for cooling system service
• Fits 1989-1995 Porsche 944 and Porsche 968 applications
• Used at the thermostat mounting interface for proper stack-up
• OE-style replacement for service and repair work

Fitment Details

Compatible With 1989-1990 Porsche 944, N/A; 1991 Porsche 944, N/A; 1992-1993 Porsche 968, N/A; 1994-1995 Porsche 968, N/A. Fits 1989-1990 Porsche 944, N/A between thermostat and seal ring; L4. Fits 1991 Porsche 944, N/A between thermostat and seal ring. Fits 1992-1993 Porsche 968, N/A between thermostat and seal ring. Fits 1994-1995 Porsche 968, N/A between thermostat and circlip.

What It Is Used For

• Correcting thermostat spacing in the cooling system
• Restoring proper thermostat stack alignment during service
• Replacing a worn or missing thermostat shim during repair
• Supporting accurate thermostat installation on Porsche 944 and Porsche 968 engines

Installation Notes

Install in the thermostat assembly at the specified location for your model year: between the thermostat and seal ring on 1989-1993 Porsche 944 and 1992-1993 Porsche 968 applications, or between the thermostat and circlip on 1994-1995 Porsche 968 applications. Verify the thermostat stack order against the vehicle service information before assembly. Part number 90023416000 should be matched to the exact engine and year listed above.

Quality Assurance

Genuine OEM-style replacement part for Porsche cooling system service. This part cross-references no additional part numbers listed for the same application.