F-hose

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Common cause of boost leaks. Only exists on 6 speed cars up until 2001. Tiptronic and cars M box and newer do not have F-hoses.

Part No: 078-133-784AJ

Number 28 here:

ECS tuning carries the Samco F-hose.

Notes

Part number 078-133-784BG is listed for the AZB, and is probably not an F-hose.

Note that when replacing the F-hose, the coupler (number 29, part number 078-133-587) is very brittle and might break.

Fortunately, it is NOT a check valve, only a coupler, and can be replaced by random parts and some teflon tape.

Alternately, ECS tuning carries replacement couplers.

F-hose

Notes

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