Front & Rear Radius Arms & Panhard Rod Bush Kit Caster Correction to aFe Power Rear Differential Cover (Machined Black) 15 17 GM Colorado Canyon 12 Bolt Axles. aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable sand cast A356 T6 aluminum with reinforcing ribs for maximum strength. This cover comes with mounting hardware for a hassle free installation. The differential covers includes an oil level sight glass and deep reach magnetic fill plug for maximum protection. This cover is finished in wrinkle black powder coating with machined fins for a distinctive look. 2 Quart Lube Capacity: This cover has about a 2 quart lube capacity at the factory fill level, factory cover holds about 1. 5 quarts. Built in External Fins: Built in external fins transfer heat from the fluid to the outside air for maximum cooling. Magnetic Drain Fill Plug: This system incorporates a magnetic drain and fill plug that captures loose particles for maximum rear end protection. Oil Level Sight Glass: Large oil level sight glass with 1 8'' NPT calibration plug set to the factory fluid level to eliminate overfilling. Large Oil Level Sight Glass w Calibration Plug Constructed of Durable A356 Die Cast Aluminum Reinforcing Ribs and Wrinkle Black Powdercoat Magnetic Drain and Fill Plugs Machined Fins This Part Fits: Year Make Model Submodel 2015 2020 Chevrolet Colorado Base 2015 2022 Chevrolet Colorado LT 2015 2022 Chevrolet Colorado WT 2015 2022 Chevrolet Colorado Z71 2017 2022 Chevrolet Colorado ZR2 2018 2020 GMC Canyon All Terrain 2021 2022 GMC Canyon AT4 2015 2020 GMC Canyon Base 2017 2022 GMC Canyon Denali 2021 2022 GMC Canyon Elevation 2021 2022 GMC Canyon Elevation Standard 2015 2020 GMC Canyon SL 2015 2020 GMC Canyon SLE 2015 2020 GMC Canyon SLT