03-18 Cummins AAM 11.5" Yukon Finned Aluminum Cover Suspension end thrusting loads on the

end thrusting loads on the bushings transfer heat into the case

but it also makes for a mediocre driving experience

2-inch flange

5" Filter (RFB-413-RFAB)

03-18 Cummins AAM 11.5" Yukon Finned Aluminum Cover Suspension end thrusting loads on theYukon Gear & Axle offers a full line of differential covers to suit your front or rear applications. These replacement covers protect your gears, keep lubricating fluid where it's neededand on some styles, they offer added cooling and or strength. Their large selection affords you options of materials, sizes, and finishes to get exactly what you need. Order the model recommended for your axle, differential case design, and engine specifications.