2020-2021 GMC Sierra Trucks V8-6.6L (AAM 11.5/12.0-14) Pro Series Rear Differential Cover Black w/ Machined Fins

Increased Oil Capacity:
This cover has an increased oil capacity over stock for better performance over a longer duration.

Built-in Internal/External Fins:
Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling.

Magnetic Plugs:
This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection.

Calibration Plug:
A calibration plug is set to the factory oil level to prevent overfilling.

Oil Level Sight Glass:
A pre-installed oil level sight glass allows quick and easy oil inspection.

Fitment Note:
This item fits vehicles equipped with AAM 11.5/12.0 Rear axles.

Emissions Disclaimer:
This product does not require a CARB EO#.

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