Vemo V15-99-1905 Engine Coolant Thermostat Kit

Engine Coolant Thermostat Kit for Audi A4

Vemo V15-99-1905 is an engine coolant thermostat kit built for precise coolant temperature control in select Audi applications. It includes a synthetic material housing, a sensor, and a seal, with a 100°C opening temperature for OE-style thermal regulation.

Compatible with 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro, this VEMO thermostat kit is a direct-fit service part for cooling system repair. The VEMO product line focuses on application-specific replacement components, and V15-99-1905 follows that approach with integrated housing and sensor design.

Key Features

• Part number: Vemo V15-99-1905
• Engine coolant thermostat kit with housing, sensor, and seal
• Synthetic material housing for cooling system service
• 100°C opening temperature
• 2-pin electrical connection
• Dimensions: 166 mm length, 126 mm width, 103 mm height
• Compatible with Audi A4 and Audi A4 Quattro applications listed below

Detailed Description

Vemo V15-99-1905 is engineered for coolant temperature regulation in the engine cooling circuit. The thermostat opens at 100°C to help maintain proper operating temperature, while the included sensor supports temperature monitoring within the cooling system assembly. The synthetic material housing and seal provide a complete service solution for the thermostat housing area on select Audi A4 and Audi A4 Quattro models. This part cross-references Gates 34047 for the same application.

What This Part Helps Address

• Engine running too cool or too warm due to thermostat control issues
• Coolant temperature warning or sensor-related fault conditions
• Leaks at the thermostat housing or sealing surface
• Unstable cabin heat caused by coolant flow regulation problems
• Cooling system service needs on Audi A4 and Audi A4 Quattro models

Installation Notes and Tips

• Verify the OE part number and connector style before installation.
• Inspect the mating surfaces and cooling passages for residue or damage.
• Replace coolant according to the vehicle service procedure after thermostat housing service.
• Confirm proper electrical connection at the 2-pin sensor interface.
• Bleed the cooling system carefully to remove trapped air after installation.

Quality Assurance

Vemo replacement parts are cataloged for application-specific fitment and OE-style service use. V15-99-1905 is listed for the Audi A4 and Audi A4 Quattro model years shown above, with the specified thermostat opening temperature and included seal and sensor details.

Fits 2002-2006 Audi A4, N/A. Fits 2002-2005 Audi A4 Quattro, N/A.