Steelcraft 4" Straight Sidebars for Chevrolet Silverado / GMC Sierra Crew Cab
Engineered to Fit. Made to Protect. Built to Last.
Complete your Silverado or Sierra Crew Cab with Steelcraft 402290T-1 4-inch Straight Sidebars in textured black. The redesigned straight oval profile combines slip-resistant step pads, beveled end caps and model-specific mounting brackets. Fitment covers 2019-2026 Chevrolet Silverado and GMC Sierra 1500, plus 2020-2027 Silverado and Sierra 2500/3500 Crew Cab. The 2019-2023 Silverado 1500 LD and Sierra 1500 Limited are excluded.
Key Features
- 4-inch straight oval design: A straight sidebar profile with beveled end caps.
- Slip-resistant step pads: Step pads provide a stepping surface for entering and exiting the vehicle.
- Finish: Textured Black.
- Model-specific mounting brackets: Brackets are specified for this application.
- Mounting configuration: Rocker mount.
- Warranty: Steelcraft lists a 3-year warranty for part 402290T-1.
Fitment & Compatibility
- Series: Steelcraft 4" Straight Sidebars (New Step Pad)
- Vehicle: 2019-2026 Chevrolet Silverado 1500
- Vehicle: 2020-2027 Chevrolet Silverado 2500
- Vehicle: 2020-2027 Chevrolet Silverado 3500
- Vehicle: 2019-2026 GMC Sierra 1500
- Vehicle: 2020-2027 GMC Sierra 2500
- Vehicle: 2020-2027 GMC Sierra 3500
- Cab / Body: Crew Cab
- Part Number: 402290T-1
- Finish: Textured Black
- Application Notes: (Excl. 2019-2023 Silverado 1500 LD/Sierra 1500 Limited)
Confirm your model year, cab or body configuration and factory equipment before ordering. Application notes and exclusions apply to the vehicles listed above.
What's in the Box
- Driver-side and passenger-side sidebars.
- Eight mounting brackets.
- Sixteen 8mm x 30mm hex bolts, sixteen 8mm combo bolts, sixteen 8mm lock washers and sixteen 8mm flat washers.
These components are listed in the linked installation guide. Check the supplied kit against its complete parts list before starting. The guide is an older revision; confirm the current kit and instructions for your model year with Steelcraft.
Specs & Warranty
- Profile: 4-inch straight oval sidebars
- Finish: Textured Black
- Mount: Rocker
- Warranty: 3 Years
Installation Notes
Read the complete application-specific installation instructions before starting. Confirm the mounting locations and hardware for your vehicle.
- Identify the mounting locations and use the brackets and hardware specified in the guide.
- Leave the mounting hardware loose until the sidebars are positioned and leveled, then tighten as instructed.
- Do not slide or rotate a sidebar on the mounting brackets; the guide warns that doing so can damage the finish.
- Inspect the installation periodically to check that the hardware remains secure.
View the 402290T-1 application installation guide and complete parts list (PDF). The linked October 2018 revision lists 2019-2020 Silverado/Sierra 1500 and 2020 Silverado/Sierra 2500/3500 Crew Cab. The current application list extends 1500 fitment through 2026 and 2500/3500 fitment through 2027. Confirm the current installation instructions for your model year before beginning work.
Complete your vehicle's look with Steelcraft 402290T-1 4" Straight Sidebars, combining slip-resistant step pads, beveled end caps and a textured black finish.
The Steelcraft Advantage
The 402290T-1 pairs Steelcraft's redesigned straight oval sidebar profile with mounting brackets specified for this application. Its step pads, rocker-mount configuration and 3-year warranty give you clear product details to discuss with your Steelcraft dealer.
Steelcraft brings more than 27 years of truck and SUV accessory experience, with U.S. facilities in Corona, California; Schertz, Texas; and Douglas, Georgia. Our lineup spans replacement bumpers, grille guards, running boards and more, supported by a network of dealers and distributors. Learn more about Steelcraft Automotive.
Where to Buy
Find a Steelcraft dealer and ask for 402290T-1. Have your model year, cab or body configuration and factory-equipment details ready to confirm the correct application.
Product Details
- Item: 402290T-1
- Title: 2019-2026 Chevrolet Silverado 1500 / 2020-2027 Chevrolet Silverado 2500 / 2020-2027 Chevrolet Silverado 3500 / 2019-2026 GMC Sierra 1500 / 2020-2027 GMC Sierra 2500 / 2020-2027 GMC Sierra 3500 Crew Cab
- Year Make Model - Submodel: 2019 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2020 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2021 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2022 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2023 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2024 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2025 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2026 Chevrolet Silverado 1500 - All Silverado 1500 models (Crew Cab)
- Year Make Model - Submodel: 2020 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2021 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2022 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2023 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2024 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2025 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2026 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2027 Chevrolet Silverado 2500 - All Silverado 2500 models (Crew Cab)
- Year Make Model - Submodel: 2020 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2021 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2022 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2023 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2024 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2025 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2026 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2027 Chevrolet Silverado 3500 - All Silverado 3500 models (Crew Cab)
- Year Make Model - Submodel: 2019 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2020 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2021 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2022 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2023 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2024 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2025 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2026 GMC Sierra 1500 - All Sierra 1500 models (Crew Cab)
- Year Make Model - Submodel: 2020 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2021 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2022 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2023 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2024 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2025 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2026 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2027 GMC Sierra 2500 - All Sierra 2500 models (Crew Cab)
- Year Make Model - Submodel: 2020 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2021 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2022 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2023 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2024 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2025 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2026 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Year Make Model - Submodel: 2027 GMC Sierra 3500 - All Sierra 3500 models (Crew Cab)
- Cab / Body: Crew Cab
- Description: 2019-2026 Chevrolet Silverado 1500 / 2020-2027 Chevrolet Silverado 2500 / 2020-2027 Chevrolet Silverado 3500 / 2019-2026 GMC Sierra 1500 / 2020-2027 GMC Sierra 2500 / 2020-2027 GMC Sierra 3500 Crew Cab Textured Black 4" Straight Sidebars
- Notes: (Excl. 2019-2023 Silverado 1500 LD/Sierra 1500 Limited)
- Finish: Textured Black
- Warranty: 3 Years
- LTL: No
- Master UPC: 840813131184
- Ext. Description: Redesigned 4-inch straight oval sidebars with slip-resistant step pads, beveled end caps and model-specific mounting brackets. Part 402290T-1 has a textured black finish.
- Category Tree: Light Duty - Sidebars - 4" Straight Sidebars (New Step Pad)