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AEV Colorado Rear Differential Cover

AEV’s Colorado Rear Differential Cover is designed specifically for the Dana M220 axle found in most 2015 & newer Chevy Colorado/GMC Canyon trucks – including ZR2 and ZR2 Bison . This heavy duty, nodular iron Differential Cover features a fluid level port, placed at the correct level to meet factory specifications, eliminating the need to guess on oil level or use a dipstick to figure out the correct amount of oil. For added convenience, all AEV Differential Covers feature an oversized oil fill port located on the top of the cover. This fill port not only allows you to easily add fluid in the field if axle repairs are necessary, but also doubles as an inspection port, allowing the user to see inside the differential, inspect ring gear teeth, look for water intrusion or even use a dial indicator to inspect for problems without ever removing the cover.

Please Note: This Differential Cover will ONLY fit the Dana M220 Rear Axle found in 2015 & newer Chevy Colorado / GMC Canyon trucks. This WILL NOT fit the G80 rear axle found on many 2WD trucks.


  • Manufactured out of high-strength nodular iron
  • Designed specifically for the Colorado’s Dana M220 rear axle
  • AEV’s exclusive oversized fill plug
  • Reinforced bottom edge with recessed hardware
  • E-coated and powder coated for maximum durability
  • Made in the USA