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URD Fuel Pump/Filter Upgrade Kit 2010+ Toyota 4Runner


  • Detailed URD installation instructions
  • Fuel Pump of your choice
  • External high capacity fuel filter (quick change)
  • Special in-tank, high-pressure fuel submersible hose that is fully multi-fuel compatible that is specified to be immersed in fuel (SAE J30R10 100 PSI).
  • External high-pressure fuel line that is CARB approved (CARB Q-09-019A Multi and Bio Fuel compatible 225 PSI)
  • All needed hardware


Select Your Fuel Pump *

This fuel pump/filter upgrade kit is for the 2010 and later 4Runner.

The heart of the fuel system is the fuel pump. It must deliver the volume of fuel needed at the required pressure for the rest of the fuel system to do its job. If the pump can’t provide more flow, don’t expect to have the fuel needed for more power.

UNDERDOG RACING DEVELOPMENT has been making and tuning forced induction systems for the 4Runner. One thing we observe time and time again is as the power levels go up, the fuel pressure starts to drop off. The stock in-tank fuel pump combo does not flow enough fuel to maintain sufficient pressure in the fuel rail.

The small in-tank fuel filter appears to become clogged in less than 30,000 miles restricting fuel flow resulting in insufficient flow/volume reaching the fuel rail. This can lead to a dangerous, lean fuel mixture. Until now, the only fix for this was to buy an entirely new “tank unit” from your local Toyota dealer. The fuel filter is not available separately and is only available as a complete tank unit that includes the plastic in the tank assembly with the fuel filter, fuel pump, and level float. This retails for around $575. We have been seeing the very same problem in the tank unit and the filter becoming flow restrictive.

URD has developed a way to replace the in-tank fuel pump with a high flow fuel pump and convert the small in-tank fuel filter with a large capacity external tank fuel filter that is easily replaced if needed. The new fuel filter can be replaced in minutes without having to go back into the fuel tank.

The URD Fuel Pump/Filter Upgrade Kit fixes both problems, insufficient flow from the stock pump, and the problem of the stock fuel filter’s short service life before it becomes clogged and restrictive.

If you have converted your 4Runner to any type of forced induction system, URD strongly recommends installing the URD fuel pump/filter upgrade kit.

URD gives you the option of what fuel pump you wish to run in your pump/filter conversion kit. You may pick from the AEM 320 LPH pump, AEM E85 320 LPH pump, the DeatschWerks 255 or 320 LPH pump, or the AeroMotive 340 LPH pump. If you wish to run E85 the DeatschWerks pumps are fully E85 compatible.  The AEM and the AeroMotive pumps can be used with E85, but the manufacturer states that you should expect reduced pump life with the E85 fuel.

Year Make Model Engine
Year Make Model Engine
2010 - 2022 Toyota 4Runner I4 2.7L 2TR-FE
2010 - 2022 Toyota 4Runner V6 4.0L 1GR-FE
Weight 3 lbs
Dimensions 12 × 12 × 4 in


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