American Expedition Vehicles AEV Rear Differential Cover for 2020+ Chevrolet Silverado HD and GMC Sierra HD
Fits 2020-2026 6.6L Duramax V8 (L5P) · 6.6L Duramax V8 (L5P, updated)
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A differential cover replaces the stamped steel factory cover with a thicker one that holds more fluid and takes a hit better. This one is the American Expedition Vehicles AEV Rear Differential Cover for 2020+ Chevrolet Silverado HD and GMC Sierra HD, listed to fit the 2020-2026 GMC Sierra 2500HD/3500HD with the 6.6L Duramax V8 (L5P) or 6.6L Duramax V8 (L5P, updated).
why this one — Mostly a towing and off-road part. On a truck that only sees pavement the stock cover is fine. AEV Conversions lists it at $357.00, and the fitment above is what the listing itself states, not a guess.
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See how we check a price and our affiliate disclosure.