2017 RAM 3500 8' Hard Folding Truck Bed Cover

Premium Low Profile Aluminum Truck Bed Cover

The Longest Working Bed Gets the Strongest Cover — Built for the Penultimate Year of the Fourth Generation RAM 3500

The 2017 RAM 3500 continued the fourth-generation platform in its penultimate model year — delivering the full maturity of a one-ton heavy-duty truck architecture refined and validated over seven years of production across commercial, agricultural, and maximum payload long bed applications. The 2017 8' Long Bed operator had access to the most seasoned version of the fourth-generation one-ton working foundation, on a platform that operators had trusted and depended on for nearly a decade.

The Thunder Armor Hard Folding Tonneau Cover is precision engineered specifically for the 2017 RAM 3500 8' Long Bed on the fourth-generation platform. Designed and manufactured in the USA by Thunderstone Manufacturing, this premium hard aluminum truck bed cover delivers enhanced cargo security, all weather protection, rugged durability, and a sleek low profile appearance built for real world one-ton truck use.

Whether your truck is used for long material transport, maximum payload hauling, farm and ranch operations, commercial fleet work, gooseneck towing, or heavy-duty one-ton applications, Thunder Armor delivers dependable truck bed protection designed to match the capability of the 2017 RAM 3500 8' Long Bed.

Important: Thunder Armor for the RAM 3500 8' Long Bed does not work with drop-in bed liners. Remove drop-in liners before installation.

Why Choose the Thunder Armor Hard Folding Truck Bed Cover?

• Heavy Duty Aluminum Construction

  Premium grade aluminum panels engineered for the most demanding commercial, agricultural, and one-ton heavy-duty long bed truck use.

• Best in Class Low Profile Design

  Ultra low profile appearance sits virtually flush with your 2017 RAM 3500 bed rails across the full 8' Long Bed.

• Enhanced Cargo Security

  Durable aluminum construction and secure latch system help protect valuable tools, equipment, materials, and cargo across every inch of the 8' Long Bed.

• All Weather Truck Bed Protection

  Weather resistant perimeter seal system helps shield cargo from rain, snow, dirt, and road debris.

• Quick No Drill Installation

  Installs in approximately 30 minutes using a no drill clamp mounting system.

• Full Truck Bed Access

  Folding panel design allows convenient access to your full 8' Long Bed while maintaining maximum hauling flexibility.

• Proudly Made in the USA

  Designed, engineered, sourced, and manufactured in the United States.

• 5-Year Limited Warranty

  Built for dependable long term performance and backed by one of the strongest warranties in the category.

• Built for the Late-Generation RAM 3500 Long Bed Operator

  The 2017 RAM 3500 8' Long Bed operator chose a one-ton platform with seven years of proven performance — a truck whose capability in maximum payload and maximum-length hauling applications had been demonstrated across demanding real world use. Thunder Armor protects that bed and that investment.

• Platform Note

  The 2017 RAM 3500 uses fourth-generation bed rail geometry. This fitment is for 2010–2018 RAM 3500 trucks only. If you own a 2019 or newer RAM 3500, see the fifth-generation fitment pages.