aFe Power Street Series Aam 9.5/9.76 Rear Differential Cover Raw w/ Machined Fins GM Silverado/Sierra 1500 14-23 (Aam 9.5/9.76)
Fits 2014-2023 5.3L V8 (L83) · 6.2L V8 (L86) · 2.7L Turbo I4 (L3B, first-gen) · 5.3L V8 (L82/L84) · 6.2L V8 (L87) · 3.0L Duramax I6 Diesel (LM2) · 2.7L Turbo I4 (L3B, High-Output / TurboMax from MY2024) · 3.0L Duramax I6 Diesel (LZ0)
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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 aFe Power Street Series Aam 9.5/9.76 Rear Differential Cover Raw w/ Machined Fins GM Silverado/Sierra 1500 14-23 (Aam 9.5/9.76), listed to fit the 2014-2023 GMC Sierra 1500. The listing describes it as aluminum.
why this one — Mostly a towing and off-road part. On a truck that only sees pavement the stock cover is fine. Apollo Off Road lists it at $298.00, 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 our affiliate disclosure.