VW Golf, Audi A, Seat 1.9 TDI, Coolant Thermostat Flange - usedecus.com
NEW Thermostat Kit 044121113 FOR VW Jetta TDI Sedan 4-Door 1.9L l4 1999-2004 | eBay
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 IV Van (1J1) – replacement guide