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DiamondBack Manuals & User Guides

DiamondBack manufactures heavy-duty, secure aluminum truck bed covers and hauling accessories designed to protect cargo and withstand harsh conditions.

Tip: include the full model number printed on your DiamondBack label for the best match.

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DiamondBack Truck Bed Covers

DiamondBack Automotive Accessories Inc. specializes in manufacturing heavy-duty, highly durable aluminum truck bed covers. Engineered for maximum strength and security, their product lineup includes the DiamondBack HD, SE, and Switchback series, which allow truck owners to securely stow gear while also hauling heavy loads directly on top of the cover.

Built in the USA, DiamondBack truck covers are designed with rugged materials and weather-sealed capabilities to keep out water, dust, and road debris. They offer model-specific fits for major truck brands including Ford, Toyota, Honda, and Chevrolet, along with a range of purpose-built accessories like Cross Bins, Shim Kits, and Tailgate Seals to maximize truck bed utility.

DiamondBack manuals

Latest manuals from manuals+ curated for this brand.

DIAMONDBACK OM-2 Truck Cover Switchback Owner’s Manual

November 25, 2025
DIAMONDBACK OM-2 Truck Cover Switchback Specifications Manufacturer: DiamondBack Automotive Accessories Inc. Address: 354 Enterprise Drive, Philipsburg, PA 18866 Limited Lifetime Warranty: Covers defects in material and workmanship under normal use…

DIAMONDBACK 19-Up Ford Ranger 180 Installation Guide

February 2, 2023
DiamondBackCovers.com / 800 935 4002 ’19–up Ford Ranger 180 INSTALLATION GUIDE 19-Up Ford Ranger 180 75 minutes Normal install time Keep an eye out for these icons: IMPORTANT! Important installation information…

DIAMONDBACK Bulkhead Prep Kit Installation Guide

February 2, 2023
DIAMONDBACK Bulkhead Prep Kit PARTS INCLUDED TOOLS REQUIRED PRE-INSTALLATION NOTE To ensure the weatherstrip and sealing mount tape adhere properly, make sure the temperature of the cleaned surface is at…

DIAMONDBACK 2022 Tundra Cover Installation Guide

January 23, 2023
2022 Tundra Cover Installation Guide DiamondBackCovers.com / 800 935 4002 2022 Tundra Cover BULKHEAD SEALING GUIDE 2022+ Tundra INSTALLATION GUIDE 15 minutes Normal install time Keep an eye out for…

DIAMONDBACK Bed Rail Cap Shims Installation Guide

January 22, 2023
DIAMONDBACK Bed Rail Cap Shims 15 minutes Normal install time Keep an eye out for these icons: IMPORTANT! Important installation information Helpful Hints Tips to assist installation PARTS INCLUDED TOOLS…

DiamondBack Tailgate Seal Installation Guide

installation guide
Detailed installation guide for the DiamondBack Tailgate Seal, designed to seal tailgate sides and bottom. Learn how to easily install the Taper Seal® for dust and water protection on most…

DiamondBack Shim Kit Installation Guide

installation guide
Step-by-step installation guide for the DiamondBack Shim Kit, designed to improve tailgate operation under heavy loads for DiamondBack HD truck bed covers. Includes parts list, instructions, and helpful hints.

DiamondBack manuals from online retailers

Diamondback Hi-Viz 701 Tool Vest Instruction Manual

701 • January 19, 2026
Comprehensive instruction manual for the Diamondback Hi-Viz 701 Tool Vest, designed for carpenters, roofers, and electricians. Learn about setup, operation, maintenance, and specifications for this safety tool vest.

DiamondBack support FAQ

Common questions about manuals, registration, and support for this brand.

  • Where can I find installation instructions for my DiamondBack truck cover?

    Installation guides are provided with your cover, and digital copies can be found on this page. Make sure to follow vehicle-specific instructions for exact bracket placements and weatherstrip installation.

  • Do DiamondBack covers come with a tailgate seal?

    Typically, no. Most DiamondBack covers include seals for the cab-side and bed rails, but the Tailgate Seal Kit is sold as a separate accessory to prevent dust and water intrusion through factory tailgate gaps.

  • How do I register my DiamondBack cover for warranty?

    To be eligible for service under the Limited Lifetime Warranty, you must complete the warranty registration form at diamondbackcovers.com/register within 60 days of purchasing your truck bed cover.

  • What is the hauling capacity on top of a DiamondBack cover?

    Always check your specific model's manual. As an example, the Switchback model supports a dynamic distributed load of 400 lbs or a static distributed load of 1,200 lbs. Never exceed your vehicle's specified load capacity for rail-mounted accessories.