Coolant Thermostat With Housing + Sensor For VW GOLF IV V POLO BORA AUDI A3 SKODA OCTAVIA MAZDA SEAT CORDOBA 1.6 06A121111A|Thermostats & Parts| - AliExpress
Volkswagen Workshop Manuals > Golf Mk5 > Power unit > 4-cylinder diesel engine (2.0 l engine, 2-valve, TDI) > Engine cooling > Parts of cooling system > Removing and installing thermostat