Vemo V15-99-2116 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for VW and Audi

VEMO V15-99-2116 is an engine coolant thermostat housing for select Volkswagen and Audi applications. It is supplied without thermostat, making it a direct housing replacement for service work where the thermostat is reused or sourced separately.

Key Features

• Engine coolant thermostat housing
• Supplied without thermostat
• OE reference: 04E121116C
• VEMO brand line: VEMO
• Part number: V15-99-2116

Application Details

Compatible with 2021 Volkswagen Golf, N/A; 2021 Volkswagen Jetta, N/A; 2013-2017 Volkswagen Jetta, N/A; and 2016-2017 Audi A3 Sportback e-tron, N/A. This V15-99-2116 thermostat housing is a fitment-based replacement for vehicles listed with OE no. 04E121116C, including Volkswagen Jetta and Audi A3 Sportback e-tron applications.

The VEMO product line focuses on OE-style replacement parts for European vehicles, and this housing follows the same application-specific approach for cooling system service. This part cross-references OE number 04E121116C for the same application.

What It Is Used For

• Replacing a cracked or leaking coolant thermostat housing
• Restoring proper coolant routing at the thermostat assembly
• Addressing coolant loss around the housing seal area
• Servicing a cooling system when the thermostat is reused separately
• Repairing OE no. 04E121116C applications on Volkswagen and Audi models

Installation Notes and Tips

Confirm the OE number and vehicle application before installation. Because this housing is sold without thermostat, transfer or source the correct thermostat separately if required by the repair. Inspect mating surfaces, seals, and coolant condition during service, and refill and bleed the cooling system according to factory procedure after installation.

Quality Assurance

VEMO V15-99-2116 is built as an OE-referenced aftermarket replacement for the listed Volkswagen and Audi cooling system applications. Verify fitment against the original part number 04E121116C to ensure correct application.