![AFE Pro Series Rear Differential Cover with Machined Fins and 75w-90 Gear Oil; Black; AAM 11.50/12 Rear Axles (20-21 Sierra 3500 HD)](https://www.americantrucks.com/image/afe-sierra3500-pro-series-rear-differential-cover-75w-90-gear-oil-aam-1150-12-rear-axles-46-71261b.HG24871.jpg?obj=car&wid=640&hei=480&sharpen=1)
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Description, Reviews, Q&A
Description. PRO Guard D2 Synthetic 75W-90 Gear Oil:The supplied gear oil (4 quarts) exceeds the performance requirements of API GL-5 recommended for both open and limited slip applications.
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#.
When it comes to engineering for power, performance, protection and value, aFe POWER is the only choice.
Fitment:
AFE 46-71261B
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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