Mk4 Golf tdi thermostat, alternator and fan belt replacement, Ed China style gloves! - YouTube
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
How to change engine thermostat on VW Golf 4 – replacement guide
How to Change Engine Thermostat on VW Golf 4 1.9 TDI - YouTube