AFE Pro Series Rear Differential Cover, 2019-2021 GM 1500 LM2

Part# 46-71120A


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2019 Thru 2021 Chevy Silverado/GMC Sierra 1500 LM2 Duramax Diesel 

This cover features an all-aluminum construction which, along with cast in fins and increased oil capacity, provides a combination of increased durability and cooling.


  • Constructed out of Durable Cast Aluminum

  • Neodymium Magnetic Drain Plug for Gear Protection

  • Calibration Plug Set to the Factory Oil Level to Prevent Overfilling

  • Fits GMCH 9.5 Rear Axles

DmaxStore Note:

  • 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 Plug:
    This cover incorporates a magnetic drain plug to capture loose particles for maximum protection.

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

  • Optional Accessories Available:
    Our optional deep reach magnetic fill plug (PN: 46-00002) is a great addition to combine with this cover.

Fitment Note:

  • This item fits vehicles equipped with GMCH 9.5 Rear axles.