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2020 RAM 2500 6'5" Hard Folding Truck Bed Cover
Premium Low Profile Aluminum Truck Bed Cover
Premium Aluminum Truck Bed Cover Built for the Second Year of the Fifth Generation RAM 2500
The 2020 RAM 2500 continued the fifth-generation heavy-duty platform with updated technology packages and continued refinement of the available 6.7L Cummins diesel. The 6'5" Standard Bed carried forward the proven fifth-generation rail geometry from the 2019 launch, now backed by one full year of real world validation across demanding commercial and agricultural applications.
The Thunder Armor Hard Folding Tonneau Cover is precision engineered specifically for the 2020 RAM 2500 6'5" Standard Bed on the fifth-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?
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Heavy Duty Aluminum Construction
Premium grade aluminum panels engineered for demanding commercial, agricultural, and heavy-duty truck use.
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Best in Class Low Profile Design
Ultra low profile design sits virtually flush with your 2020 RAM 2500 bed rails across the full 6'5" Standard Bed.
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Enhanced Cargo Security
Secure latch system helps protect valuable tools, equipment, materials, and cargo.
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All Weather Truck Bed Protection
Weather resistant perimeter seal system helps protect cargo from rain, snow, dust, dirt, and road debris.
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Quick No Drill Installation
Installs in approximately 30 minutes using a no drill clamp mounting system.
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Full Truck Bed Access
Folding panel design provides convenient truck bed access for larger cargo and hauling flexibility.
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Proudly Made in the USA
Designed, engineered, sourced, and manufactured in the United States.
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5-Year Limited Warranty
Built for dependable long term performance and backed by one of the strongest warranties in the category.
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Platform Note
The 2020 RAM 2500 uses fifth-generation bed rail geometry (2019–2026). If you own a 2018 or earlier RAM 2500, see the fourth-generation fitment pages.
Who It's Built For
Designed for Real Truck Owners
Vehicle Fitment
| Model | Year | Bed Size |
|---|---|---|
| RAM 2500 | Â Â Â Â Â Â Â Â Â Â2020 | Â Â Â Â Â Â Â Â Â Â6'5" Standard Bed | Â Â Â Â Â Â Â Â
What's Included
- 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
Benefits of the Thunder Armor Hard Folding Tonneau Cover
- 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. Fitment confirmed for the 2020 RAM 2500 with the 6'5" Standard Bed on the fifth-generation platform.
No. RAM maintained the fifth-generation bed rail geometry introduced in 2019 throughout the 2020 model year.
Yes. Thunder Armor fits all 2020 RAM 2500 trim levels equipped with the 6'5" Standard Bed, including Tradesman, Big Horn, Laramie, Laramie Longhorn, Power Wagon, and Limited models.
Yes. Thunder Armor is a premium hard folding aluminum truck bed cover.
Yes. Weather resistant perimeter seal system.
Thunder Armor hard folding tonneau covers are in stock and ready to ship.