Gates 04-06 Audi A6 Quattro / 01 A4 (inc Quattro) OE Type Thermostat - 174 Degree

This is the Gates 33078 thermostat, a 174-degree unit designed to keep your engine running at its optimal temperature. It's built to meet OE specifications, meaning it should perform just like the original part that came with your vehicle. A properly functioning thermostat is crucial for your engine's health, helping it warm up quickly and then maintaining a steady operating temperature, which is important for fuel efficiency and emissions control.

Gates is a well-known name in cooling system parts, and this thermostat is a solid option for many different vehicles. It's designed to fit right and function reliably, ensuring your cooling system circulates coolant effectively when the engine reaches its target temperature. This particular thermostat opens at 174 degrees Fahrenheit, which is a common temperature for many applications, helping to prevent overheating without keeping the engine too cool.

This thermostat fits a broad range of vehicles, from Ford Explorers and Rangers to Volkswagen Jettas and Corrados, and even some older Mercedes-Benz models. When you're replacing your thermostat, it's a good idea to also inspect your hoses and consider replacing your coolant to ensure your entire cooling system is in good shape.