Function: It sits on top of the low-pressure fuel pump assembly inside the fuel tank, securing the unit and acting as a tight seal to prevent fuel vapors or liquid from leaking out into the vehicle cabin.
Common Applications: Used across various modern Audi models equipped with 2.0L, 3.0L, 4.2L, and other engine configurations, including:
Audi A4 / A4 Quattro
Audi A5 / A5 Quattro / S5 / RS5
Audi S4
Audi Q5
Replacement Note: Mechanics typically recommend replacing this cap (along with its accompanying seal/gasket) whenever servicing or replacing the in-tank low-pressure fuel pump to ensure a proper, leak-free seal.
- Brand: Audi
- No applicable data -