The thermostat in the car regulates the temperature of the fluid in the engine cooling system, maintaining optimal thermal conditions for operation and accelerating the initial warm-up of the engine at start.

The usage of the thermostat gasket

The gasket is a sealing element designed to seal the thermostat housing / cover. Due to its elasticity, the gasket prevents leaks and maintains operating pressure in the cooling system. Depending on the place of application and the type of thermostat, the consumable has a different shape and material of manufacture.

1. 100 (43, C2)
2. 100 Saloon (43, C2)
3. 5000 (43, C2)
4. 500 (43, C2)
5. 100 (44, 44Q, C3)
6. 100 / 5000 (44, 44Q, C3)
7. 500 (44, 44Q, C3)
8. 200 (43)
9. 200 Saloon (43)
10. 200 (44, 44Q)
11. 200 Saloon (44, 44Q)
12. V8 (441, 442, 4C2, 4C8)
13. V8 Saloon (441, 442, 4C2, 4C8)
14. COUPE (81, 85)
15. QUATTRO (85)
16. COUPE (89, 8B)
17. 100 (4A2, C4)
18. 100 Saloon (4A2, C4)
19. 500 (4A2, C4)
20. 80 (8C2, B4)
21. See more in applications

Each car and body type has its own gasket with a specific shape. Often made from the following materials:

1. nitrile butadiene rubber;
2. ethylene-propylene terpolymer;
3. rubber.

The FEBI BILSTEIN brand Gasket, thermostat can be made in a more complex shape or in the form of a ring. Some models have holes in the gasket for fasteners. O-rings are installed in a special groove in the cover, after which the part is mounted and sealed.