Vemo V15-99-1915 Engine Coolant Thermostat

Engine Coolant Thermostat for Audi and Volkswagen

Vemo V15-99-1915 is an engine coolant thermostat for select Audi and Volkswagen applications. It opens at 87°C and is built to match the specified housing dimensions for a precise OE-style replacement in cooling system service.

Key Features

• Engine coolant thermostat with 87°C opening temperature
• Dimensions: 37 mm height, 40 mm length, 37 mm width
• Lightweight design at 0.054 kg
• Supplied for applications noted with gasket in fitment data
• VEMO product line replacement for cooling system maintenance

Product Details

The VEMO line focuses on replacement parts built for European vehicle systems, and V15-99-1915 follows that approach for thermostat service. This thermostat helps regulate coolant flow so the engine reaches and maintains the correct operating temperature. It cross-references 04E 121 113 C and TH727487 for the same application. This part number, V15-99-1915, is listed for 2016-2017 Audi A3 Sportback e-tron and 2013-2017 Volkswagen Jetta applications, including configurations noted as external or inside water pump housing.

Vehicle Fitment

• Fits 2016-2017 Audi A3 Sportback e-tron, N/A.
• Fits 2013-2015 Volkswagen Jetta, N/A.
• Fits 2016 Volkswagen Jetta, N/A.
• Fits 2017 Volkswagen Jetta, N/A.

Common Issues This Part Addresses

• Engine running too cool or taking too long to warm up
• Temperature fluctuations caused by a worn thermostat
• Cooling system service on an Audi A3 Sportback e-tron or Volkswagen Jetta
• Replacement of a thermostat specified at 87°C
• Service needs at the water pump housing or inside water pump location

Installation Notes

Verify the thermostat location before installation, since fitment notes list both external water pump housing and inside water pump configurations. Confirm the 87°C temperature specification and compare the housing dimensions to the removed part before assembly. Use the listed vehicle application details for the Audi A3 Sportback e-tron and Volkswagen Jetta to match the correct cooling system setup.

Quality Assurance

Vemo V15-99-1915 is cataloged with OE-style interchange references and application-specific fitment data for accurate parts matching. Confirm the part number, dimensions, and vehicle notes before ordering to ensure the correct thermostat for the intended repair.