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Fuel Pump and Sending Unit Assembly

Part Number: 81-811

Price: $264.85

In Stock, Ready to Ship!

Fuel Pump and Sending Unit Assembly, 1998-on Workhorse Chassis, 5.7L, 350 c.i. Gas Engines. The filler on this sending unit extends to side. It comes with a replacement 4-wire pigtail harness with 5" blunt cut wires. If you need the complete 2 foot harness that extends from the sending unit and has OE round socket connector for the vehicle side, then order 81-824 (splicing will be required)

This sending unit fits in a 3-3/4" diameter hole. The overall diameter of the top flange is approx. 4-1/2" in diameter.

  1. Order snap ring 81-807 when mounting on our tank 81-916
  2. Order O-ring 81-820 when mounting on our tank 82-015
OEM Numbers:
  • 25178125
  • 25028274
  • P74758M
  • MU-100
  • MU100

Estimated Shipping Dimensions: 17" x 8" x 7"

Weight: 3.21 lbs