Product description
aFe POWER Pro Series Rear Differential Cover Black w/ Machined Fins GM Trucks 20-23 V8-6.6L (AAM 11.5/12.0-14)
aFe POWER Pro Series Rear Differential Cover Black w/ Machined Fins
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Supplier details checked 2026-09-23 · Test catalog
aFe POWER Pro Series Rear Differential Cover Black w/ Machined Fins GM Trucks 20-23 V8-6.6L (AAM 11.5/12.0-14)
aFe POWER Pro Series Rear Differential Cover Black w/ Machined Fins
Large Oil Level Sight Glass and Calibration Plug Set to the Factory Oil Level Prevents Overfilling
Dual Neodymium Magnetic Plugs are Used for Maximum Gear Protection
Constructed out of Durable Cast Aluminum
Black Powder Coat with Machined Fins
Fits AAM 11.5/12.0 Rear Axles
aFe 2020 Chevrolet Silverado 2500 HD Rear Differential Cover Black ; Pro Series w/ Machined Fins
Pro Series Differential Cover
Differential Cover
This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection. A calibration plug is set to the factory oil level to prevent overfilling. A pre-installed oil level sight glass allows quick and easy oil inspection. This item fits vehicles equipped with AAM 11.5/12.0 Rear axles.