Description
Thermostat by VAG, catalog number 03L121111Q. Confirmed catalog fitment: Volkswagen PASSAT B7 362 (2010–2016), Volkswagen PASSAT B7 A32, A33, A34 (2011–2020). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.
A thermostat is a cooling system component designed to regulate coolant circulation and maintain optimal engine operating temperature. It automatically opens or closes coolant flow based on temperature conditions.
The assembly includes a temperature-sensitive wax element, housing, and bypass mechanism. Modern vehicles may use electronically controlled thermostats with integrated sensors.
Common failure symptoms include engine overheating, slow warm-up, unstable temperature readings, increased fuel consumption, or cooling system fault codes.
Our catalog includes thermostats for many vehicle brands. Genuine cooling system components, complete thermostat housings, and reliable aftermarket replacements with various opening temperatures are available.
Used units are inspected for proper activation, housing integrity, sealing condition, and absence of deformation.
Selection is based on VIN number, engine type, opening temperature specification, and part number. Replacing a faulty thermostat ensures stable cooling system performance and engine protection.
Compatibility
Fits 2 vehicles
Nothing found
About the manufacturer · VAG
VAG is a commonly used abbreviation referring to the Volkswagen Group, one of the largest automotive manufacturers and component producers in the world. The group was founded in Germany and includes many well‑known autom...
About the manufacturer · VAG
VAG is a commonly used abbreviation referring to the Volkswagen Group, one of the largest automotive manufacturers and component producers in the world. The group was founded in Germany and includes many well‑known autom...