GMC Sierra 2500 2020–2026 Parts & Accessories

23 parts listed as fitting the 2020–2026 GMC Sierra 2500. The selection leans heavily to truck bed and tonneau — 17 of the 23 parts — with the rest spread across 4 other categories. The brands carrying the most parts for this vehicle are BAK Industries, TruXedo and Extang. This page covers the 2020–2026 years only — other years of the GMC Sierra 2500 are on the model page. Fitment is listed by year, make and model — confirm your exact configuration before ordering.

Browse every part that fits
Tonneau Cover Hard Folding MX4 (20-26 GMC/Chevrolet Sierra/Silverado 2500/3500 Heavy Duty Short Box)BAK Industries BAK Industries Tonneau Cover Hard Folding MX4 — 2020-2026 Chevy Silverado 2500 / GMC Sierra 2500 $1,749.99 Putco 2020 Chevy Silverado LD/HD / GMC Sierra LD/HD - Crew Cab (4pc) Stainless Steel Door Sills (95183)Putco Putco 2019+ Silverado/Sierra 1500/2500/3500 HD CREW Cab (4 Pc)Door Sills $122.99 Truxedo Elevate FS Rack (18-28in. Adjustable Height) - Black (1118570)TruXedo Truxedo Elevate Telescopic Rack System - FS $1,399.99 Lund International 2019+ Silverado 1500 Nerf Bars 4In Oval Curved SteelLund Lund 4" Nerf Bars $476.99 Superlift 2.5 Inch Gm Front Leveling Kit 2020 Chevrolet Silverado/Gmc Sierra 2500/3500 HdSuperlift Superlift 2.5" Leveling Kit — 2020-2025 GMC Sierra 2500 $279.99 Painless Performance Harness 12 Circuit WaterprooPainless Performance Painless Performance Harness 12 Circuit Waterproo $922.99 Go Rhino 2019+ Ram 1500 Fits All Cab Styles Sport Bar 2.0 Polished Stainless Sport Bar BedGo Rhino Go Rhino 2019+ Ram 1500 Fits All Cab Styles Sport Bar 2.0 Polished Stainless Sport Bar Bed (918000PS) $1,765.99 Putco 2020+ Silverado/Sierra 2500/3500 6.8Ft Standard Bed Traditional Locker Side RailPutco Putco 2020+ Silverado/Sierra 2500/3500 6.8 ft Standard Bed Traditional Locker Side Rail $501.99 Tonneau Cover Hard Folding G2 (20-26 GMC/Chevrolet Sierra/Silverado 2500/3500 Heavy Duty Short Box)BAK Industries BAK Industries Tonneau Cover Hard Folding G2 — 6'9" Bed — 2020-2026 Chevy Silverado 2500/3500 & 2020-2026 GMC Sierra 2500/3500 (226133) $1,609.99 Husky Liner 2020+ Sierra 2500 Hd Fender Flares Extendafender Style 4PcHusky Liners Husky Liners Fender Flares — 2020+ GMC Sierra 2500 $587.99 UnderCover 20 Gm 2500/3500 Hd 8Ft Bed Undercover Armor Flex Without Carbonpro BedUnderCover UnderCover 20 GM 2500/3500 HD 8 ft Bed Undercover Armor Flex Without Carbonpro Bed $2,029.99 Tonneau Cover Hard Folding G2 (20-26 GMC/Chevrolet Sierra/Silverado 2500/3500 Heavy Duty Long Box)BAK Industries BAK Industries Tonneau Cover Hard Folding G2 — 2020+ GMC Sierra 2500 $1,679.99 Truxedo Tonneau Cover Soft Rolling TruXportTruXedo TruXedo TruXport Soft Roll-Up Tonneau Cover — 6'9" Bed — 2020-2026 Chevy Silverado 2500 / Chevy Silverado 3500 / GMC Sierra 2500 and more, without CarbonPro Bed (273301) $489.99 Tonneau Cover Hard Folding MX4 (20-26 GMC/Chevrolet Sierra/Silverado 2500/3500 Heavy Duty Long Box)BAK Industries BAK Industries Hard Folding Tonneau Cover — 2020-2026 Chevy Silverado 2500 / Chevy Silverado 3500 / GMC Sierra 2500 and more $1,819.99 Truxedo Tonneau Cover Soft Rolling TruXportTruXedo TruXedo Tonneau Cover Soft Rolling TruXport — 2020+ GMC Sierra 2500 $531.99 Truxedo Tonneau Cover Soft Rolling LoProTruXedo TruXedo Lo Pro Soft Roll-Up Tonneau Cover — 6'9" Bed — 2020-2026 Chevy Silverado 2500 / Chevy Silverado 3500 / GMC Sierra 2500 and more, without CarbonPro Bed (573301) $727.99 BAK Industries 2020+ Silverado/Sierra 2500/3500 Hd (without Velcro/Stitching) Revolver X2 6Ft 9In BedBAK Industries BAK Industries 2020+ Silverado/Sierra 2500/3500 HD (without Velcro/Stitching) Revolver X2 6 ft 9" Bed $1,931.99 Retrax 2020+ Silverado/Sierra 2500/3500 Hd (without Factory Side Storage Bx) 6.9Ft Retrax Ix Tonneau CoverRetrax Retrax Tonneau Cover — 2020+ GMC Sierra 2500 (Without Factory Side Storage Bx) $1,679.99 UnderCover 2020+ Silverado/Sierra 2500/3500 Undercover Swing Case Passengers Side Black SmoothUnderCover UnderCover 2020-2026 Silverado/Sierra 2500/3500 Undercover Swing Case Passengers Side Black Smooth (SC105P) $332.75 BAK Industries 2020+ Gm Silverado/Sierra Hd 2500/3500 6.10Ft Bed Revolver X4SBAK Industries BAK Industries Tonneau Cover — 2020+ GMC Sierra 2500 (80133) $2,071.99 BAK Industries 2020+ Silverado/Sierra 2500/3500 Hd 8.2Ft Bed Revolver X4SBAK Industries BAK Industries Tonneau Cover — 2020+ GMC Sierra 2500 (80134) $2,169.99 Extang 2020+ Silverado/Sierra 6.9Ft 2500/3500Hd Endure Alx Hard Folding Bed Cover BlkExtang Extang 2020+ Silverado/Sierra 6.9Ft 2500/3500Hd Endure Alx Hard Folding Bed Cover Blk (80653) $2,169.99 Extang 2020+ Silverado/Sierra 6.10Ft Solid Fold 2.0 Toolbox Tonneau (without Durabed Or Factory Side Boxes)Extang Extang Tonneau Cover — 6'9" Bed — 2020-2026 Chevy Silverado 2500/3500 & 2020-2026 GMC Sierra 2500/3500 (84653) $1,749.99 Extang 2020+ Silverado/Sierra 2500/3500 6.10Ft (without Durabed Or Factory Side Boxes) Trifecta 2.0 TonneauExtang Extang Tonneau Cover — 2020+ GMC Sierra 2500 (Without Durabed Or Factory Side Boxes) $657.99
Check fitment before you order. Fit can depend on trim, configuration and factory options. If you are unsure, contact us — and if fitment we published turns out to be wrong, we cover the return.