FREE SHIPPING FOR ORDERS OVER $199
-Liquid error (snippets/product-snippet line 250): Computation results in '-Infinity'%
1972 – 2021 GM 8.5’’/8.625’’-10-Bolt Heavy-Duty Cast Aluminum Rear Differential Cover
$418.00
In Stock
Temporarily out-of-stock
PART NUMBER:
138051300
GTIN:
840171223514
OEM P/N REFERENCE: GM 25824253, 26067595, 1252980
LIFETIME LIMITED WARRANTY
30-DAY RETURNS
- Description
- Compatible Vehicles
- RESOURCES
Heavy-Duty Cast Aluminum Rear Differential Cover
Excessive heat can degrade the protective qualities of differential fluid, leading to accelerated wear of gears and bearings. In limited-slip differentials, constant high temperatures can break down clutch packs and friction modifiers, resulting in reduced efficiency and compromised traction control.
Cast from high-grade A356.0-T6 aluminum alloy, the PPE differential cover adds .6 quart of fluid capacity and features half-inch external cooling fins for long-lasting heat management and performance.
Built-in windage scrapers inside the PPE cover ensure precise fluid distribution around the gears. By reducing excessive fluid churning, these scrapers lower heat buildup and minimize parasitic loss, promoting more efficient power transfer. Together with the vertical external fins, they form a strong cross-bracing structure that improves load distribution and enhances impact resistance.
The fill plug is precisely positioned at the factory level. Both the fill and drain plugs feature a powerful, high-temperature-rated neodymium magnet that captures ferrous particles for added protection.
A
I was concerned this cover would not fit my application, but it fit perfectly! The stock track bar on a 2006. Tahoe is very close to the diff cover, but this seemed to clear with under an1/8th inch clearance. I do have a an aftermarket Hellwig rear sway bar.
I love that it holds 1/2 quart overstock and that it has a magnetic drain plug.
I opted to go with a lube locker 10 bolt gasket and I don’t see any leaks whatsoever!
B
I own a 2011 GMC Sierra 4x4 Crew Cab, and I ordered this differential cover to replace the stock factory cover. It was advertised to increase the fluid capacity of the differential, and improve cooling of the fluid. The additional benefit is that it is equipped with a drain plug to facilitate fluid changes without having to go through the trouble and mess of fully removing the cover. Anyone who has performed this task knows what a pain it is. And if you do have to remove the cover to inspect the differential internals, being able to drain the fluid first makes the task much easier and less messy. This is a fantastic item. It looks beautiful and has a fantastic fit and finish. It looks terrific on my truck, and it does increase the fluid capacity. Naturally, being constructed of machined aluminum with fins to aid in heat dissipation , I anticipate that it will dissipate heat better than the stock cover, helping to keep the gear lube cooler. The machining is impeccably well done, and it has a magnetic plug for filling the differential and checking the fluid level, as well as a drain plug at the bottom of the cover. I religiously change the fluids in my vehicles quite frequently, and this drain plug will help to make this as easy and trouble free as draining engine oil into a pan. As it's been said, oil is relatively cheap, engines and parts are expensive. So, I change the fluids in my vehicles frequently. My only regret is that I had not purchased and installed this cover earlier. My next investment, PPE's Transmission Pan for the 6L80E transmission, and a larger transmission oil cooler.
