
The Gates OE-type thermostat for 2004–2006 Audi A6 Quattro and 2001 A4 (including Quattro) is a 174°F thermostat that replaces the factory unit. It fits the specified Audi applications and helps regulate engine temperature by opening at the listed temperature. Use this OE-style thermostat when servicing the cooling system to maintain intended temperature control on those vehicles.
Gates 04-06 Audi A6 Quattro / 01 A4 (inc Quattro) OE Type Thermostat - 174 Degree