Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 HD with diff covers? At Tunersports.com we carry a huge selection of the top name brand performance diff cover parts and accessories.

OUT OF STOCK 46-7706ABaFe 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 01-10 GM Diesel Trucks V8 (AAM 9.25 & AAM 11.5-14) 2007-2010 GMC Sierra 3500 HD SLE / SLT / WT $530.35 |
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) 2011-2014 GMC Sierra 3500 HD WT 2011-2019 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 3500 HD Base $871.00 |
OUT OF STOCK 46-7708ABaFe 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 20-25 GM Diesel Trucks V8 (AAM 9.25-12 & AAM 11.5-12-14) 2020-2021 GMC Sierra 3500 HD Base 2020-2026 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2026 GMC Sierra 3500 HD Pro 2024-2026 GMC Sierra 3500 HD Denali Ultimate $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 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 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 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 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 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $417.38 |
IN STOCK - LOW 19286Banks Ram-Air® Differential Cover is the best one on the market without question. Thanks to its superior fluid flow and aerodynamics, the Ram-Air® Cover out-cools stock and flat-back high-capacity covers and does so with less lubricant. Extend your gear life, use less fluid, and save money between... Banks Power Black Differential Cover Kit 12in AAM 2020-2021 GMC Sierra 3500 HD Base 2020-2025 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2025 GMC Sierra 3500 HD Pro 2024-2025 GMC Sierra 3500 HD Denali Ultimate $447.57 |
IN STOCK - LOW 19287Banks Ram-Air® Differential Cover is the best one on the market without question. Thanks to its superior fluid flow and aerodynamics, the Ram-Air® Cover out-cools stock and flat-back high-capacity covers and does so with less lubricant. Extend your gear life, use less fluid, and save money between... Banks Power 19-22 Ram 2500/3500 / 20-22 GM 2500/3500 14 Bolt Rear Natural Differential Cover Kit 2020-2021 GMC Sierra 3500 HD Base 2020-2025 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2025 GMC Sierra 3500 HD Pro 2024-2025 GMC Sierra 3500 HD Denali Ultimate $432.48 |
IN STOCK 19288Banks Ram-Air® Differential Cover is the best one on the market without question. Thanks to its superior fluid flow and aerodynamics, the Ram-Air® Cover out-cools stock and flat-back high-capacity covers and does so with less lubricant. Extend your gear life, use less fluid, and save money between... Banks Power 19+ Ram / Ram-Air Differential Cover Kit Black Ops, w/Hardware 2020-2021 GMC Sierra 3500 HD Base 2020-2025 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2025 GMC Sierra 3500 HD Pro 2024-2025 GMC Sierra 3500 HD Denali Ultimate $447.57 |

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 2007-2014 GMC Sierra 3500 HD WT 2007-2018 GMC Sierra 3500 HD SLE / SLT 2011-2018 GMC Sierra 3500 HD Denali 2015-2018 GMC Sierra 3500 HD Base $347.95 |

IN STOCK - DROPSHIPS YP C5-C11.5These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection. ... Yukon Gear Finned Aluminum Cover For Dodge & GM 11.5in 2007-2014 GMC Sierra 3500 HD WT 2007-2015 GMC Sierra 3500 HD SLE / SLT 2011-2015 GMC Sierra 3500 HD Denali 2015-2015 GMC Sierra 3500 HD Base $422.08 |

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 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 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 2007-2014 GMC Sierra 3500 HD WT 2007-2018 GMC Sierra 3500 HD SLE / SLT 2011-2018 GMC Sierra 3500 HD Denali 2015-2018 GMC Sierra 3500 HD Base $308.89 |