Looking for aftermarket parts to modify or upgrade your 2018 Ram 3500 with diff covers? At Tunersports.com we carry a huge selection of the top name brand performance diff cover parts and accessories for your 3500.
Whether you have a 2018 Ram 3500 in Big Horn to Tradesman trim we have you covered. We have 16 diff covers available to mod your 3500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 46-70390aFe 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. Thi... aFe Power Pro Series Rear Differential Cover Raw w/ Machined Fins 14-18 Dodge Ram 2500/3500 2011-2018 Ram 3500 Laramie / Laramie Longhorn / SLT 2013-2018 Ram 3500 Big Horn / Tradesman 2016-2018 Ram 3500 Limited $293.07 |
 IN STOCK 46-70392aFe 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 Pro Series Rear Differential Cover Black w/ Machined Fins 14-18 Dodge Trucks 2500/3500 2011-2018 Ram 3500 Laramie / Laramie Longhorn / SLT 2013-2018 Ram 3500 Big Horn / Tradesman 2016-2018 Ram 3500 Limited $356.24 |
 OUT OF STOCK 46-70392-WLaFe 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 Pro Series Rear Differential Cover Black w/Machined Fins & Gear Oil 14-18 RAM 6.7L Diesel 2011-2018 Ram 3500 Laramie / Laramie Longhorn / SLT 2013-2018 Ram 3500 Big Horn / Tradesman 2016-2018 Ram 3500 Limited $412.70 SALE |
 IN STOCK - DROPSHIPS 46-70402aFe 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 Pro Series Rear Differential Cover Black w/ Machined Fins 13-18 RAM Diesel Trucks L6-6.7L 2013-2020 Ram 3500 Laramie Longhorn 2013-2023 Ram 3500 Big Horn / Laramie / SLT / Tradesman 2016-2023 Ram 3500 Limited $356.24 SALE |
 OUT OF STOCK 46-70402-PLaFe Power's new front and rear differential covers bring performance engineering to the protection of your axles' differentials. These differential covers are constructed out of durable cast aluminum with reinforced ribs for maximum strength. These covers come with all necessary hardware for easy in... aFe Pro Series F&R Differential Cover Black w/ Machined Fins 13-18 RAM 6.7L w/ 75W90 Synth Gear Oil 2013-2018 Ram 3500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2016-2018 Ram 3500 Limited $697.88 SALE |
 OUT OF STOCK 46-70402-WLaFe 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 Pro Series Front Diff Cover Black Machined & Gear Oil 13-18 Dodge Ram 2500/3500 2013-2020 Ram 3500 Laramie Longhorn 2013-2023 Ram 3500 Big Horn / Laramie / SLT / Tradesman 2016-2023 Ram 3500 Limited $393.56 SALE |
 IN STOCK - DROPSHIPS 46-71160AaFe Power's new deep transmission pan brings performance engineering to the protection of your trucks transmission. This transmission pan has additional capacity for 2 more quarts over stock at the factory line and a magnetic drain plug to capture loos particles. Built-in internal and external fins ... aFe Transmission Pan Raw w/ Machined Fins 13-19 Dodge Diesel Trucks L6-6.7L (td) 2013-2019 Ram 3500 SLT 2013-2020 Ram 3500 Laramie Longhorn 2013-2023 Ram 3500 Big Horn / Laramie / Tradesman 2016-2023 Ram 3500 Limited $374.42 SALE |
 IN STOCK - DROPSHIPS 46-71160BaFe Power's new deep transmission pan brings performance engineering to the protection of your trucks transmission. This transmission pan has additional capacity for 2 more quarts over stock at the factory line and a magnetic drain plug to capture loos particles. Built-in internal and external fins ... aFe Transmission Pan (Black w/ Machined Fins) 13-19 Dodge Diesel Trucks L6-6.7L (td) 2013-2019 Ram 3500 SLT 2013-2020 Ram 3500 Laramie Longhorn 2013-2023 Ram 3500 Big Horn / Laramie / Tradesman 2016-2023 Ram 3500 Limited $412.70 SALE |
 IN STOCK 19249Banks Ram-Air Differential Cover is unlike any other. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air diffe... Banks Power 01-18 GM / RAM Black Differential Cover Kit 11.5/11.8-14 Bolt 2011-2020 Ram 3500 Laramie Longhorn 2011-2022 Ram 3500 Laramie / SLT 2013-2022 Ram 3500 Big Horn / Tradesman 2016-2022 Ram 3500 Limited $414.08 |
 IN STOCK 19249-2If you require more clearance between the Diff Cover and your rear sway bar, the Banks Sway Bar Spacer Kit is what you need. Simple bolt-on application. Does not require modification to the vehicle's axle or sway bar.... Banks Differential Cover Sway Bar Spacer Dodge Ram w/ Coil Sway Bar 2011-2019 Ram 3500 Laramie / Laramie Longhorn / SLT 2013-2019 Ram 3500 Big Horn / Tradesman 2016-2019 Ram 3500 Limited $61.25 |
 SHIPS FROM MANUFACTURER 19259Banks Ram-Air Differential Cover is unlike any other. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air diffe... Banks Power 01-18 GM / RAM Natural Differential Cover Kit 11.5/11.8-14 Bolt 2011-2020 Ram 3500 Laramie Longhorn 2011-2022 Ram 3500 Laramie / SLT 2013-2022 Ram 3500 Big Horn / Tradesman 2016-2022 Ram 3500 Limited $393.95 |
 IN STOCK 19269Banks Ram-Air Differential Cover is unlike any other. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air diffe... Banks Power 01-19 GM / RAM Black Ops Differential Cover Kit 11.5/11.8-14 Bolt 2011-2020 Ram 3500 Laramie Longhorn 2011-2022 Ram 3500 Laramie / SLT 2013-2022 Ram 3500 Big Horn / Tradesman 2016-2022 Ram 3500 Limited $414.08 |
 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 2011-2018 Ram 3500 Laramie / Laramie Longhorn / SLT 2013-2018 Ram 3500 Big Horn / Tradesman 2016-2018 Ram 3500 Limited $318.95 |
 IN STOCK - LOW 1061825-RCSOther 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 - 13-18 Dodge 2500 AAM 14-Bolt w/ RCS 2013-2018 Ram 3500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2016-2018 Ram 3500 Limited $329.95 |
 IN STOCK - DROPSHIPS 1061829Add a stylish look to your front and read end with a BD Front Diff cover. Made from cast aluminum, BD differential covers have both internal and external fins for extra cooling plus a sleek curved design. Rear cover design deflects the oil back onto the ring gear and into the pinion gear for cooler ... BD Diesel Differential Cover Pack Front & Rear - 14-18 Ram 2500/3500 w/o Rear Coil Springs 2013-2018 Ram 3500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2016-2018 Ram 3500 Limited $581.95 |
 IN STOCK - DROPSHIPS YP C5-C9.25F-12BOLtThese Yukon replacement diff covers are a direct bolt-on.... Yukon Gear 12 Bolt Cover For 2014+ Chrysler 9.25in Front - Steel 2014-2018 Ram 3500 Big Horn / Laramie / Laramie Longhorn / SLT / Tradesman 2016-2018 Ram 3500 Limited $70.89 |