Fuel Tank Caps and Filler Doors

Needing a fuel tank cap or filler door for your bus or truck? Gerald or Jenn can help! Just follow the red arrows!

Click here for older tank caps and filler door parts

The following catalog page has parts along with their part numbers that may help you with your fuel tank parts. When you call us, please provide the part number along with the chassis make and year, the last 8 of the VIN, and any other info that may
help us more efficiently.

For tank caps, you will need to provide measurements of tank neck and match with the measurements of tank cap provided on catalog page.

Fuel System Parts

Filler Doors
Tank Caps

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Vintage Fuel Tank Caps and Filler Door Parts

Brass, Male, Locking, Vented Fuel Tank Cap with 2-1/8" OD threads. Fits female fuel tank spouts with 2" ID thread size. For 1985 & older buses with un-vented tanks. Part No. LK6414

Brass, Female, Non-Locking fuel tank cap with 2-3/8" ID threads. Fits male fuel tank spout with 2-1/2" OD thread size. This cap is for Frieghtliners only with tanks mounted on the right side. Part No. JK2091

Fuel Filler Door Lock for Carpenter & others. Fits 3/4" Hole Size -
Tab Length 1-1/4". Part No. LK2276

Fuel Filler Door Lock for Thomas & others. Fits 3/4" Hole Size -
Tab Length 7/8". Part No. LK5127

Fuel Filler Door Lock for Blue Bird & Others. Fits 3/4" Hole Size -
Offset Tab Length 1-1/8". Key sold separately. Part No. LK1413

Fuel Filler Door Lock for Thomas & others. Fits 3/4" Hole Size
Tab Length 5/8". Part No. JK3095

Fuel Filler Door Lock for Thomas C2 & others. Fits 3/4" Hole Size,
Tab Length 7/8". Non-locking type. Part No. JK3094

Non-Lock Fuel Tank Filler Door for Carpenter & others.
Fits 9-1/4" x 9-1/4" hole. Part No. JK1958 (1 in stock)

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