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. /8 (W115)
2. /8 Saloon (W115)
3. 123 Saloon (W123)
4. 123 T-Model (S123)
5. 123 Break (S123)
6. E-CLASS (W124)
7. E-CLASS Saloon (W124)
8. S-CLASS (W126)
9. S-CLASS Saloon (W126)
10. SL (R107)
11. S-CLASS Coupe (C126)
12. G-CLASS (W460)
13. T1 Platform/Chassis (601)
14. SL (R129)
15. S-CLASS (W140)
16. S-CLASS Saloon (W140)
17. S-CLASS Coupe (C140)
18. CL-CLASS Coupe (C140)
19. C-CLASS (W202)
20. C-CLASS Saloon (W202)
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.