The fuel tank cap is a kind of threaded plug, which is a necessary element of the container where the fuel is stored. The SWAG brand Sealing Cap, fuel tank is responsible for the safety of the fuel system, prevents fuel leakage during driving or in the event of a roll of the car, and ensures the tightness of the tank. Any car owner knows that the presence of an internal combustion engine in a vehicle requires a special department where fuel is poured. However, no less important is another, inconspicuous and unremarkable detail - the fuel tank cap.

1. LEON (1P1)
2. 80 (89, 89Q, 8A, B3)
3. 80 Saloon (89, 89Q, 8A, B3)
4. 4000 (89, 89Q, 8A, B3)
5. 100 (44, 44Q, C3)
6. 100 / 5000 (44, 44Q, C3)
7. 500 (44, 44Q, C3)
8. V8 (441, 442, 4C2, 4C8)
9. V8 Saloon (441, 442, 4C2, 4C8)
10. COUPE (89, 8B)
11. 100 (4A2, C4)
12. 100 Saloon (4A2, C4)
13. 500 (4A2, C4)
14. 80 (8C2, B4)
15. 80 Saloon (8C2, B4)
16. 90 (8C2, B4)
17. 100 Avant (44, 44Q, C3)
18. 5000 Avant (44, 44Q, C3)
19. 80 Avant (8C5, B4)
20. 100 Avant (4A5, C4)
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The fuel tank sealing cap

The cap has no specific purpose, as it performs several critical functions at once. This small element ensures the most correct and efficient operation of the entire fuel system.

It is the gas tank cap and additional vehicle systems that help solve this problem, equalizing the pressure inside the fuel tank at atmospheric level. Therefore, even such a small detail plays a huge role not only for the vehicle, but also for the safety of the driver, passengers and the environment.