Rear Fuel Tank w/Skid Plate for Jeep JK / JKU Factory Frame

Product Code MB5032-MB5034

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The Motobilt relocation fuel tank moves the fuel tank from the center of the vehicle to the rear, behind the rear axle. Relocating the tank allows for more suspension and axle options as you upgrade your JK. This tank is designed to be completely bolt in and uses existing holes in your factory frame. No drilling or cutting of the frame is required. This tank is also compatible with the factory EVAP system so no tuning is required. The MB5034(07-11) or MB5035(12-18), included with the tank (please select year model from the drop down), will provide the necessary fuel lines and fittings to adapt it to your current emissions and fuel systems. We will also offer the EVAP kits as separate products. The MB5032 fuel tank is designed to work with the factory fuel pump. The rear sway bar will need to be removed to use this tank.  

This tank allows you more options to modify your JK. With the tank relocated to behind the axle, you can use a Ford Super Duty rear axle to match the popular Super Duty 60 front axle swap. Relocating the tank to behind the axle also allows use of a triangulated 4-link suspension setup. 

Designed as a heavy duty upgrade for the Jeep JK or JKU, this 22 gallon fuel tank features an all aluminum fuel cell constructed from 1/8” thick aluminum sheet that is precision CNC laser cut & CNC press brake formed. The tank is TIG welded for superior weld strength & weld finish. The fuel fill & vent tubes are CNC machined then TIG welded to the aluminum tank body. These machined parts are will still work with the factory fuel fill and vent.

The Motobilt JK Fuel Cell is fully protected by a heavy duty 3/16” steel skid. The steel skid is fully MIG welded & perfectly mounts to your stock JK frame. The aluminum fuel tank is secured to the steel skid using two steel hold down straps.


  • Requires relocating the factory exhaust at the rear of the Jeep JK / JKU.
  • Requires removing the factory sway bar and installing a Currie Anti Rock Sway Bar
  • The skid plate is shipped raw steel and will need to be painted or powder coated.
  • This tank works with the Motobilt JK / JKU Frame Chop Bumper Installed.


Product Components


Installation Instructions

Rear Fuel Tank w/Skid Plate for Jeep JK / JKU Factory Frame