Shop parts and accessories that fit the 2023 GMC Sierra 1500: tonneau covers, lighting, steps and running boards, suspension, exhaust, bumpers and more from the brands truck owners trust. Every part on this page is matched to the 2023 GMC Sierra 1500 using manufacturer fitment data. Use the vehicle selector above to narrow results by trim, cab, bed length and engine.
Weather Guard
Weather Guard® 354-3-02 Transfer Tank, L-Shape, 90 Gal for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra, Ram 1500/2500/3500
Price$1,487.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 359-3-02 Transfer Tank, Column, 75 Gal for Ford F-150/F-250/F-350, Chevy Silverado/Colorado, GMC Sierra/Canyon & More
Price$1,434.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 350-3-02 Transfer Tank, L-Shape, 50 Gal for Ford F-150/F-250/F-350/Ranger/Maverick, Chevy Silverado/Colorado & More
Price$1,181.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® SB75-52-01 Sliding Truck Bed, 75 in. Length for Ford F-150/F-250/F-350/F-450, Chevy Silverado, GMC Sierra, Ram 2500/3500
Price$3,499.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 624-52-04 All-Purpose Chest Truck Tool Box, Aluminum, Full Compact, 8.5 Cu Ft for Ford F-150/F-250/F-350 & More
Price$1,004.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 634-52-04 All-Purpose Chest Truck Tool Box, Aluminum, Full, 10 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$1,083.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 391-52-02 Super Hi-Side Truck Tool Box, Aluminum, 15.2 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$1,612.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® SB65-52-01 Sliding Truck Bed, 65 in. Length for Ford F-150/F-250/F-350/F-450, Chevy Silverado, GMC Sierra, Ram 1500/2500/3500
Price$3,399.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 3713-5-04 Pack Rat® Drawer Unit, 72 in. X 49.5 in. X 13 in. for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$3,170.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 3713-3-04 Pack Rat® Drawer Unit, 72 in. X 49.5 in. X 13 in. for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$3,170.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 1916-5-02 Headache Rack Mounting Kit, 63.0 in.-63.5in, Black for Ford F-250/F-350/F-450, Chevy Silverado, GMC Sierra
Price$184.99
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 1916-3-02 Headache Rack Mounting Kit, 63.0 in.-63.5in, White for Ford F-250/F-350/F-450, Chevy Silverado, GMC Sierra
Price$184.99
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 1906-5-02 Protect-A-Rail® Headache Rack, Steel for Ford F-150/F-250/F-350/F-450, Chevy Silverado, GMC Sierra, Ram 1500
Price$507.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 184-52-04 41 in. Lo-Side Truck Tool Box, Aluminum, Matte Black, 3 Cu Ft for Ford F-150/F-250/F-350/Ranger/Maverick & More
Price$918.00Free Shipping
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 174-52-04 56 in. Lo-Side Truck Tool Box, Aluminum, Matte Black, 4 Cu Ft for Ford F-150/F-250/F-350/Ranger & More
Price$981.00Free Shipping
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 180-52-04 41 in. Low Profile Lo-Side Tool Box, Aluminum, Matte Black, 3 Cu Ft for Ford F-150/F-250/F-350/Ranger/Maverick & More
Price$989.00Free Shipping
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 164-52-04 87 in. Lo-Side Truck Tool Box, Aluminum, Matte Black, 7 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado & More
Price$1,230.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 123-52-04 Saddle Box Crossover Tool Box, Aluminum, Full Deep, Matte Black, 15 Cu Ft for Ford F-150/F-250/F-350 & More
Price$1,622.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 121-52-04 Saddle Box Crossover Tool Box, Aluminum, Full Low Profile, Matte Black, 11 Cu Ft for Ford F-150/F-250/F-350 & More
Price$1,340.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 635-5-04 All-Purpose Chest Truck Tool Box, Steel, Full, 10 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$1,066.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 634-0-04 All-Purpose Chest Truck Tool Box, Aluminum, Full, 10 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$1,083.00
In Stock
★ Mission Ready
Weather Guard
Weather Guard® 634-5-04 All-Purpose Chest Truck Tool Box, Aluminum, Full, 10 Cu Ft for Ford F-150/F-250/F-350, Chevy Silverado, GMC Sierra & More
Price$1,083.00
In Stock
★ Mission Ready
About 2023 GMC Sierra 1500 Parts & Accessories
The current Sierra 1500 shares GM's T1 platform with the Silverado but has its own front end, lighting and premium trims like AT4, AT4X and Denali. It was refreshed for 2022 with a new interior and the Denali Ultimate. 2023 is the first full year with only the refreshed Sierra body and interior.
Truck Army currently carries 386 parts and accessories matched to the 2023 GMC Sierra 1500 using manufacturer fitment data, from brands including Weather Guard, Husky Liners, TrailFX, MaxTrac, Fabtech. New parts that fit the 2023 GMC Sierra 1500 are added to this page automatically.
Popular 2023 GMC Sierra 1500 upgrades
- Toolboxes – Crossover, chest and side-mount toolboxes that keep gear secure in the 2023 GMC Sierra 1500 bed.
- Nerf Bars – Nerf bars and side steps that make getting in and out of the 2023 GMC Sierra 1500 easier and protect the rocker panels.
- Cargo Management – Bed organizers and cargo systems that keep gear from sliding around in the 2023 GMC Sierra 1500.
- Racks – Bed racks, roof racks and ladder racks that add carrying capacity to the 2023 GMC Sierra 1500.
- Interior Protection – Custom-fit floor liners and cargo liners that keep mud, snow and spills off the 2023 GMC Sierra 1500 carpet.
- Bed Covers – Tonneau covers that lock up tools, keep the bed dry and cut wind drag - folding, roll-up and hard covers sized to the 2023 GMC Sierra 1500 bed.
2023 GMC Sierra 1500 fitment tips
- Sierra and Silverado beds are the same sizes (5 ft 10 in, 6 ft 7 in and 8 ft), but front bumpers, grille guards and lighting are GMC-specific.
- The 2022 refresh split many front-end fitments into 2019-2021 and 2022+.
- AT4 and AT4X models have factory lift and unique bumpers, so check fitment notes for leveling and lift kits.
- The MultiPro tailgate can affect tailgate seals and some bed covers.
- Not sure about your trim, cab or bed length? Use the vehicle selector at the top of the page, or contact us with your VIN and we will confirm fitment before you order.
Other model years: 2024 GMC Sierra 1500 · 2025 GMC Sierra 1500 · 2026 GMC Sierra 1500
Shop all GMC Sierra 1500 parts
Looking beyond this year? Shop all GMC Sierra 1500 parts for every model year, or browse by category: Running boards & side steps · Lift & leveling kits · Shocks · Floor liners · Bed liners & bed mats · Tonneau covers · Exhaust systems · Brakes · Toolboxes. See every vehicle on our Shop by Truck page.