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Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 3500 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) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $431.31 |
 IN STOCK - DROPSHIPS 46-70330aFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turbo diesel engines. This oil pan is constructed out of durable A356 cast aluminum with machined fins for maximum strength and styling. This cover incorporates a magnetic drai... aFe Street Series Deep Engine Oil Pan 01-10 GM Duramax V8-6.6L (td) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $418.39 |
 IN STOCK - DROPSHIPS 46-70332aFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turbo diesel engines. This oil pan is constructed out of durable A356 cast aluminum with machined fins for maximum strength and styling. This cover incorporates a magnetic drai... AFE Pro Series Deep Engine Oil Pan 01-10 GM Duramax V8-6.6L (td) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $442.31 |
 IN STOCK - DROPSHIPS 46-70370aFe 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 A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. ... aFe POWER Differential Cover GM Trucks 99-13 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $315.99 |
 OUT OF STOCK 46-70372aFe 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 A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. ... aFe Power Pro Series Rear Differential Cover Black w/ Machined Fins 99-13 GM Trucks (GM 9.5-14) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $369.58 |
 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) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $358.58 |
 IN STOCK - DROPSHIPS 46-71070AaFe Power oil pans are constructed out of durable cast aluminum with machined fins for maximum strength and styling. This cover incorporates a magnetic drain plug to capture loose particles for maximum engine protection. The built-in, external and internal, fins transfer heat from the fluid for maxi... aFe POWER Engine Oil Pan GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $369.58 |
 IN STOCK - DROPSHIPS 46-71070BaFe Power oil pans are constructed out of durable cast aluminum with machined fins for maximum strength and styling. This cover incorporates a magnetic drain plug to capture loose particles for maximum engine protection. The built-in, external and internal, fins transfer heat from the fluid for maxi... aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $396.37 |
 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) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $530.35 |
 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $422.08 |
 IN STOCK - LOW 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $308.89 |