GMC Sierra 3500 Accessory Bars by Access – Adagrid (2020–2027). A versatile bed-mounted grid and bar system that provides dependable mounting real estate for your go-to gear.

Built for the GMC Sierra 3500 and related Chevy&GMC HD platforms, Adagrid forms a sturdy base along the bed for tools, lighting, tie-downs, and adventure equipment. Specified for 2020–2027 trucks with the 6 ft 8 in box, it adds organized mounting without crowding usable bed space. The grid layout works with many common brackets and clamps, letting you configure a setup that suits workdays or weekend trips while keeping essentials within easy reach.

Features

• Compatibility: GMC Sierra 3500, 2020–2027
• Fits 6 ft 8 in standard bed
• Modular grid for accessories, tie-downs, and mounts
• Access quality with Adagrid design

Have questions about fitment or pairing with other parts? Call our team—we’re glad to help. We have locations in Austin, Texas and the Los Angeles, California area offering installation and customization services. Call 512-982-9393 (TX) or 562-981-6800 (CA).

Ordering multiple items? Contact us for shipping discounts. We install on premises at both locations.

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