PPE Heavy Duty 10.25"/10.5" 12-Bolt Rear Differential Cover with Black Finish for 1994-2022 Ford F-250/350 & Excursion 338051020

Part #: 338051020 UPC: 840171211962
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Installation Instructions

PPE Differential Covers 338051020 Details

PPE’s differential covers offer industry-leading fluid cooling. Keep your Ford rear differential running cool and clean with an upgraded cover from PPE. Made from high-quality cast A356.0-T6 aluminum for strength and optimum heat dissipation.

Increased fluid capacity provides increased thermal stamina. This durable cover is equipped with internal heat sinks and external cooling fins which increase the pan’s surface area helping dissipate heat. This keeps your differential oil running cooler, the oil will keep its viscosity, helping extend differential service life.

To help keep fluid cleaner, PPE includes our exclusive fill plug featuring a high-power Neodymium magnet that will pull harmful ferrous metal particles right out of your oil before they have a chance to do damage.

Key Features

  • Increased oil capacity
  • High-grade, heat-treated cast A356.0-T6 aluminum alloy
  • Deep external ribs increase surface area for greater cooling
  • 1-inch billet stainless steel Neodymium magnet-equipped sight level/fill plug
  • Significant reduction in differential fluid temps
  • Adds additional strength to gear housing
  • Designed with internal ribs that add strength and rigidity
  • Neodymium magnet-equipped, hardened billet stainless steel drain plug
  • Gussets add strength to the housing
  • Limited lifetime warranty
  • Ford Equivalent P/N: LC3Z4033C
  • Fits 2×4 and 4×4 F-250, F-350 & Excursion. Fits Single Rear Wheel Trucks.

2017+ Model Year Note: This cover fits on some 2017 and newer models wit the 12 bolt differential cover. To confirm this, you need to physically count the number of bolts on your existing cover. The new 2017+ Ford cover for the M300 and M275 are coming soon.


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
California Proposition 65 Notice
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