1987-1990 Jeep Comanche MJ 18 & 23.5 gal 4.0L L6 Gas Tank Sending Unit w/ F.I. w/ the Fuel Pump JPSU-6P4.0 Generic

The engine now starts up more quickly and runs smoother. The fact that it's E85 compatible is a huge plus, allowing for greater fuel flexibility. I've noticed an increase in power and throttle response, and it has definitely enhanced the overall driving experience.

The pump is able to deliver fuel at the required pressure, ensuring proper engine operation. I'm very satisfied with how this product has restored the performance of my engine.

The pump itself is high quality and provides excellent fuel flow, which is essential when you're running E85.

The engine is running smoother, and I've noticed better throttle response.

We installed it during a turbocharger upgrade and noticed immediate improvements in fuel delivery and engine performance.