Nominal 3" aluminum fuel cap, used on Freightliner / Western Star trucks.

Vented.

Non-Locking.

Treads Per Inch / 8.
Across Threads Cap - 3 3/8".
Across Threads Filler Neck - 3 7/16".

Replaces:

Freightliner A03-15682-4

Velvac 600184

GTD 81105

GTD 8113

Fits most Freightliner’s after 1983, Western Star's after 1982 with diesel fuel tanks with 3" nominal male pipe filler necks.