Vemo V45-99-0002 Engine Coolant Thermostat

Engine Coolant Thermostat for Porsche 911, Boxster, Cayman

Vemo V45-99-0002 is an engine coolant thermostat assembly with a metal housing, built for precise coolant flow control in select Porsche applications. It opens at 83°C and is listed with OE reference 99610601359 for direct-fit service on Porsche 911, Boxster, and Cayman models.

Key Features

• Engine coolant thermostat with integrated metal housing
• Opening temperature: 83°C
• Housing dimensions: 128 mm length, 113 mm width, 100 mm height
• Pipe diameter: 40 mm
• Vemo part number V45-99-0002
• Cross-reference: Gates 33950

Product Details

VEMO V45-99-0002 is part of the VEMO line of OE-style replacement components, focused on accurate fit and application-specific construction. This thermostat assembly is specified with a metal housing and gasketed housing design for Porsche cooling system service, and it matches applications calling for an 83°C opening temperature. It is listed for Porsche 911, Porsche Boxster, and Porsche Cayman models, including vehicles using OE number 99610601359. This part cross-references Gates 33950 for the same application.

Vehicle Fitment

• Fits 1999-2008 Porsche 911, N/A. Notes: Grade: OEM - Made in Germany (Q+); Description: With Housing and Gasket; Temperature Range (Celsius): 83 C; Kit: Expert Kits +; With OE No. 99610601359; VEMO
• Fits 1997-2008 Porsche Boxster, N/A. Notes: Grade: OEM - Made in Germany (Q+); Description: With Housing and Gasket; Temperature Range (Celsius): 83 C; Kit: Expert Kits +; With OE No. 99610601359; VEMO
• Fits 2006-2008 Porsche Cayman, N/A. Notes: Grade: OEM - Made in Germany (Q+); Description: With Housing and Gasket; Temperature Range (Celsius): 83 C; Kit: Expert Kits +; With OE No. 99610601359; VEMO

Common Repair Uses

• Restores proper engine warm-up and coolant regulation
• Addresses overheating caused by a thermostat stuck closed
• Addresses slow warm-up or low operating temperature from a thermostat stuck open
• Supports stable coolant circulation in Porsche cooling systems
• Replaces a worn thermostat housing assembly during cooling system service

Installation Notes

Confirm OE number 99610601359 and verify housing dimensions, pipe diameter, and opening temperature before installation. Inspect the mating surfaces and cooling system condition during service, and follow the vehicle manufacturer’s coolant fill and bleed procedure after replacement. Vemo V45-99-0002 is intended for direct replacement on the listed Porsche 911, Boxster, and Cayman applications.

Quality Assurance

VEMO identifies this thermostat assembly as OEM-grade and made in Germany (Q+) for the listed applications. The metal housing construction and OE-numbered fitment support consistent replacement service for Porsche cooling system maintenance.