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.
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. New parts that fit the 2023 GMC Sierra 1500 are added to this page automatically.
Popular 2023 GMC Sierra 1500 upgrades
- Vent Visors & Window Deflectors – Window deflectors that let you crack the windows of the 2023 GMC Sierra 1500 in rain and cut wind noise.
- Truck Caps – Truck caps and camper shells that turn the 2023 GMC Sierra 1500 bed into enclosed storage.
- Transfer & Fuel Tanks – In-bed transfer and auxiliary fuel tanks that extend range for work and towing with the 2023 GMC Sierra 1500.
- Toolboxes – Crossover, chest and side-mount toolboxes that keep gear secure in the 2023 GMC Sierra 1500 bed.
- Suspension – Leveling kits, lift kits, shocks and coilovers to fix factory rake, fit bigger tires or improve the ride of your 2023 GMC Sierra 1500.
- Steps & Running Boards – Running boards and steps sized for the 2023 GMC Sierra 1500 cab length.
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.