2013 RAM 3500 6'5" Hard Folding Truck Bed Cover

Premium Low Profile Aluminum Truck Bed Cover

Premium Aluminum Truck Bed Cover Built for the Mid-Cycle Refresh 2013 RAM 3500


The 2013 RAM 3500 brought a significant mid-cycle refresh to the fourth-generation platform with a new dashboard design, improved Uconnect infotainment system, and enhanced connectivity options. The 2013 refresh elevated the interior experience of the RAM 3500 without touching the proven heavy-duty bed architecture — the fourth-generation bed rail geometry carried forward unchanged, giving one-ton operators a more refined cab on the same proven working platform.

The Thunder Armor Hard Folding Tonneau Cover is precision engineered specifically for the 2013 RAM 3500 6'5" Standard 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 heavy-duty truck use.

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 truck use.

  • Best in Class Low Profile Design

    Ultra low profile design sits virtually flush with your 2013 RAM 3500 bed rails across the full 6'5" Standard Bed.

  • Enhanced Cargo Security

    Secure latch system helps protect valuable tools, equipment, materials, and cargo.

  • 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 provides convenient truck bed access for larger cargo and 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.

  • Platform Note

    The 2013 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.

Who It's Built For

Designed for Real Truck Owners


Built for the Refreshed 2013 RAM 3500 Standard Bed Operator

The 2013 mid-cycle refresh brought a more refined interior to the RAM 3500 while the proven fourth-generation heavy-duty bed platform carried forward unchanged. Thunder Armor fits the 2013 RAM 3500 6'5" Standard Bed with the same precision fitment used across the full 2010–2018 fourth-generation range.

ModelYearBed Size
RAM 3500 2013 6'5" Standard Bed (76.3")
  • Thunder Armor Hard Folding Tonneau Cover
  • Vehicle Specific Clamp Mounting Hardware
  • Weather Resistant Perimeter Seal System
  • Integrated Latch System
  • Installation Hardware
  • Detailed Installation Instructions

Our Heritage

The Thunderstone Manufacturing Difference


Thunder Armor truck bed covers are engineered and manufactured by Thunderstone Manufacturing, a division of Timpte, Inc.

That same commitment to rugged performance, craftsmanship, and dependable engineering is built into every Thunder Armor hard folding tonneau cover.

140+
Years of Manufacturing

For more than 140 years, Timpte has built a reputation for engineering excellence, premium manufacturing, and long term durability as the manufacturer of the #1 selling dry bulk commodity trailer in North America.

  • 01Protect Valuable Cargo
  • 02Maintain Your Truck's Premium Appearance
  • 03Preserve Full Truck Bed Functionality
  • 04No Drill Installation
  • 05Built for Long Term Performance
  • 06American Made Quality
Support

Frequently Asked Questions


Yes, fourth-generation platform.
No. The refresh focused on interior and technology. The fourth-generation bed rail geometry remained consistent.
Yes.
Yes.
Yes.
In stock and ready to ship.