Looking for aftermarket parts to modify or upgrade your 2018 GMC Sierra 2500 HD with diff covers? At Tunersports.com we carry a huge selection of the top name brand performance diff cover parts and accessories.

IN STOCK - DROPSHIPS 46-70070aFe POWER Street Series deep transmission pan brings performance engineering to the protection of your trucks transmission. This transmission pan has additional capacity for 3 to 4 more quarts over stock at the factory line, a magnetic drain plug and a 1/8" NPT port for your temperature sensor. Buil... aFe Transmission Pan Cover (Raw); GM Diesel Trucks 01-14 V8-6.6L (td) 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $418.39 |
IN STOCK - LOW 46-70072aFe POWER Pro Series deep transmission pan brings performance engineering to the protection of your trucks transmission. This transmission pan has additional capacity for 3 to 4 more quarts over stock at the factory line, a magnetic drain plug and a 1/8" NPT port for your temperature sensor. Built-i... aFe Power Cover Trans Pan Machined Trans Pan GM Diesel Trucks 01-12 V8-6.6L Machined 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $431.31 |
IN STOCK - DROPSHIPS 46-71050AaFe Power's new front differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hard... aFe Power 11-18 GM 2500-3500 AAM 9.25 Axle Front Differential Cover Raw Machined Street Series 2011-2020 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2020 GMC Sierra 2500 HD Base $315.99 |
OUT OF STOCK 46-71050BaFe Power's new front differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pr... AFE Power 11-18 GM 2500-3500 AAM 9.25 Axle Front Differential Cover Black Machined Street Series 2011-2020 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2020 GMC Sierra 2500 HD Base $369.58 |
SHIPS FROM MANUFACTURER 46-71051BaFe Power's new front differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pr... AFE Power 11-18 GM 2500-3500 AAM 9.25 Axle Front Diff Cover Black Machined w/ 2 Qts 75w90 Oil 2011-2020 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2020 GMC Sierra 2500 HD Base $386.80 |
IN STOCK - DROPSHIPS 46-71060AaFe 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 cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardw... aFe Street Series Rear Differential Cover Raw w/ Machined Fins 01-18 GM Diesel Trucks V8-6.6L (td) 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $315.99 |
IN STOCK 46-71060BaFe 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 cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pro... aFe Power Cover Diff Rear Machined GM Diesel Trucks 01-18 V8-6.6L / GM Gas Trucks 01-18 V8-8.1L/6.0L 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $358.58 |
OUT OF STOCK 46-71360AThis oil pan has an increased oil capacity of approximately two quarts over stock for better performance over a longer duration. Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. This pan incorporates a magnetic drain plug to capture loose particl... aFe GM Diesel Trucks 17-19 V8-6.6L L5P POWER Street Series Engine Oil Pan Raw w/ Machined Fins 2017-2019 GMC Sierra 2500 HD Base / Denali / SLE / SLT $418.39 |
IN STOCK - DROPSHIPS 46-71360BThis oil pan has an increased oil capacity of approximately two quarts over stock for better performance over a longer duration. The black powder coat on this pan helps protect it from the outside conditions, providing both longevity and style. Built-in internal and external fins transfer heat from ... aFe 17-19 GM Diesel V8-6.6L L5P Engine Oil Pan w/ Machined Fins 2017-2019 GMC Sierra 2500 HD Base / Denali / SLE / SLT $442.31 |
IN STOCK - DROPSHIPS 46-7707ABaFe Power’s Pro Series front and rear differential covers bring performance-driven protection to your drivetrain. Constructed from durable cast aluminum and designed with reinforced ribs, these covers offer enhanced strength and improved heat dissipation for demanding driving conditions. This is a... aFe Power Front/Rear Diff Cover Kit w/ Oil 11-19 GM Diesel Trucks V8 (AAM 9.25-12 & AAM 11.5-14) 2011-2019 GMC Sierra 2500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 2500 HD Base $871.00 |

IN STOCK 19249The All-New Patented Banks Ram-Air Differential Cover WIPES OUT THE COMPETITION! When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we were shocked to find out that they actually hur... Banks Power 01-18 GM / RAM Black Differential Cover Kit 11.5/11.8-14 Bolt 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $417.38 |
IN STOCK - LOW 19259The All-New Patented Banks Ram-Air Differential Cover WIPES OUT THE COMPETITION! When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we were shocked to find out that they actually hur... Banks Power 01-18 GM / RAM Natural Differential Cover Kit 11.5/11.8-14 Bolt 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $397.25 |
SHIPS FROM MANUFACTURER 19269The All-New Patented Banks Ram-Air Differential Cover WIPES OUT THE COMPETITION! When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we were shocked to find out that they actually hur... Banks Power 01-19 GM / RAM Black Ops Differential Cover Kit 11.5/11.8-14 Bolt 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $417.38 |

IN STOCK 1061825Other differential covers are large and bulky resulting in lubricating oil being flung off the ring gear. BD's design deflects the oil back onto the ring gear and into the pinion gear for cooler longer life.... BD Diesel Differential Cover - 03-15 Dodge 2500/3500 / 01-13 Chevy Duramax 2500/3500 2001-2018 GMC Sierra 2500 HD SLE / SLT 2011-2018 GMC Sierra 2500 HD Denali 2015-2018 GMC Sierra 2500 HD Base $347.95 |

IN STOCK YHCC-AAM11.5Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put ... Yukon Gear Hardcore Diff Cover for 11.5in & 11.8in GM Dodge Ram 2001-2019 GMC Sierra 2500 HD SLE / SLT 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD Base $282.89 |
IN STOCK - DROPSHIPS YHCC-GM14T-MYukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put ... Yukon Gear Hardcore Diff Cover for 14 Bolt GM Rear w/ 8mm Cover Bolts 2001-2018 GMC Sierra 2500 HD SLE / SLT 2011-2018 GMC Sierra 2500 HD Denali 2015-2018 GMC Sierra 2500 HD Base $308.89 |