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Polyethylene Fuel Tanks 1963-1977 J-truck

Part Number:
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Product Details

Extra thick polyethylene replacement gas tanks. These tanks include new lock rings and o-rings, and fit all 1963-1977 J-series pickups (including J200, J2000, J300, J3000, J4000, J4500, J10, J20, Gladiator, etc). 

Tank is 18 gallon capacity and has the large fill and vent port on the side of the tank.  Tank is also a direct fit for 1976-1977 models with the emission lines (if your 1976-1977 model doesn’t have the emission lines, you can cap those ports on the tank).

Fill Neck Port Size Is 2" O.D., and Vent Neck Port Size Is 7/8" O.D.



  • Fits 1963-1977 J-trucks including Gladiator
  • Nearly 1/4-inch thick for added strength
  • This tank will NEVER rust!
  • This tank can withstand -150F without freezing!
  • No welds or seams to fail or leak!
  • 5 year warranty
  • Includes Lock Rings
  • Includes O-Rings
  • 18 gallon capacity
  • Free Shipping in the Lower 48!
  • Made in the USA
  • Strap Instructions HERE

Reviews (1)

  • Fuel Tank for my 1973 J4000

    Posted by Joesph on Mar 19th 2024

    Purchased fuel tank satisfied with the quality. Curious about the lock ring though. BJ's Off-Road Response: the lock ring may look odd, but it's a designed & engineered item that has been in use for about 20 years successfully.