Westin EXP Truck Cap – Fits 2020–2024 Chevrolet Silverado & GMC Sierra 2500HD/3500HD (6.10′ Bed)

Heavy-Duty Aluminum Truck Cap Built for Work, Travel & Overlanding

Maximize the capability of your 2500HD or 3500HD with the Westin EXP Truck Cap—engineered for strength, utility, and premium fitment. Designed specifically for 2020–2024 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models with the 6.10′ bed, the EXP delivers rugged performance, expanded storage, and all-weather durability for job sites, overland builds, and long-distance gear transport.

Constructed from a modular 5-piece extruded aluminum shell, the EXP combines lightweight strength with modern styling. Gull-wing side doors offer fast bed access, while the optional sliding front glass window allows seamless cab-to-bed visibility and ventilation. The integrated T-slot roof-rail system supports rooftop tents, cargo racks, recovery gear, and professional equipment with ease.

Key Features

• 5-Piece Extruded Aluminum Construction: Lightweight, rigid, modular design built for heavy-duty use.
• Optional Sliding Front Glass Window: Enables direct cab-to-bed access for pets, gear, and communication.
• Gull-Wing Side Doors: Full-size double-wall doors with secure locking hardware for rapid cargo access.
• No-Drill Installation: Bolts directly to factory bed rails; preserves OEM quality and enables easy removal.
• High Load Capacity: 700 lbs static / 300 lbs dynamic—ideal for rooftop tents, racks, and expedition accessories.
• Integrated T-Slot Roof Rails: Compatible with Yakima, Thule, Front Runner, and most major accessory systems.
• EPDM Sponge Gasket Sealing: Superior protection against wind, dust, rain, and snow.
• Durable Finish: Matte black powder-coat for long-term corrosion resistance and rugged style.
• Vehicle-Specific Fitment: Designed exclusively for 2020–2024 Silverado/Sierra 2500HD & 3500HD with 6.10′ bed.

Why Choose the Westin EXP Truck Cap?

Whether you're building an overland-ready rig, hauling professional equipment, or protecting valuable cargo, the Westin EXP Truck Cap delivers a seamless blend of strength, functionality, and versatility. With its modular aluminum construction, premium access points, and rooftop compatibility, the EXP transforms your HD truck into a fully capable, all-terrain cargo platform.

Specifications

• Material: Extruded aluminum modular shell
• Finish: Matte black powder-coat
• Roof Load Rating: Static – 700 lbs | Dynamic – 300 lbs
• Door Configuration: Gull-wing side doors
• Roof Rail System: Integrated T-slot extrusion
• Installation: Direct-fit bolt-on; no drilling required
• Warranty: Limited 3-year manufacturer warranty
• Fitment: 2020–2024 Chevrolet Silverado 2500HD & 3500HD / GMC Sierra 2500HD & 3500HD (6.10′ bed)

 

Fitment

• 2020 Chevy Silverado 2500HD / 3500HD 6.10ft Bed
• 2021 Chevy Silverado 2500HD / 3500HD 6.10ft Bed
• 2022 Chevy Silverado 2500HD / 3500HD 6.10ft Bed
• 2023 Chevy Silverado 2500HD / 3500HD 6.10ft Bed
• 2024 Chevy Silverado 2500HD / 3500HD 6.10ft Bed

• 2020 GMC Sierra 2500HD / 3500HD 6.10ft Bed
• 2021 GMC Sierra 2500HD / 3500HD 6.10ft Bed
• 2022 GMC Sierra 2500HD / 3500HD 6.10ft Bed
• 2023 GMC Sierra 2500HD / 3500HD 6.10ft Bed
• 2024 GMC Sierra 2500HD / 3500HD 6.10ft Bed

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