Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
FREE 1 to 3-Day Delivery on Orders $149+ Details
UnderCover Flex Tri-Fold Tonneau Cover; Black Textured (03-26 RAM 2500 w/ 6.4-Foot Box & w/o RAM Box)Find parts that fit my vehicle
Item HR4380
Our Price
$1,149.99 kit
Military, Medical & First Responders
$57.50 Available in AT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Premium Hard-Folding Tonneau Cover
- Easy-To-Use Tri-Fold Design
- Durable Yet Lightweight Aluminum-Skinned Panels
- Corrosion-Resistant Gloss-Black Textured Finish
- Flush, Low-Profile Design
- EPDM Rubber Hinges, Perimeter Seals, and Dual-Action Tailgate Seal
- Integrated Drain Channels and Tubes for Effective Water Management
- Offers Complete Full Bed Access When Folded Flush Against the Cab
- Simple No-Drill Clamp-On Installation Completed in Under an Hour
- 400-Lb. Weight Rating (Evenly Distributed)
- Limited 3-Year Warranty Covering Manufacturing and Material Defects
- Proudly Assembled in Missouri
- Fits 03-26 RAM 2500 with 6.4-Foot Box and Without RAM Box
| Brand | UnderCover |
| Tonneau Cover Type | Hard Folding |
| Tonneau Cover Installation | Clamp On |
| Tonneau Cover Locking | Locking with Tailgate Lock |
| Toolbox Compatibility | Not Toolbox Compatible |
Description
Rugged Truck Bed Protection. The UnderCover Flex Tri-Fold Tonneau Cover with a gloss-black textured finish provides reliable security and weather protection for your truck bed. Its tri-fold design allows easy access to cargo and versatile use, helping protect your load from harsh weather and theft.
Construction and Appearance. This cover is constructed with durable yet lightweight aluminum-skinned panels featuring an impact, abrasion, and cut-resistant surface. The corrosion-resistant gloss-black textured coating combines rugged durability with sleek styling.
Installation. Installation is straightforward and requires no drilling, using a clamp-on system that can typically be completed in under an hour with basic tools, making it accessible for at-home mounting.
Warranty. This cover includes a limited three-year warranty covering manufacturing and material defects.
Application. Designed specifically for 03-26 RAM 2500 models equipped with a 6.4-foot box and without the RAM Box, ensuring a precise fit and compatibility.
UnderCover FX31004
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Tri-Fold Tonneau Cover
- Mounting Implements
Tech Guides:
- Roll-Up vs Folding vs Retractable Tonneau Covers: Cost & Benefits
- Get the Protection You Need with a Dodge Ram Tonneau Cover
- Best Truck Bed Covers that Work with A Tool Box
- Best Tonneau Cover: The Complete Buyer's Guide for Your Truck
- Tonneau Fold vs Tonneau Flip
- Can You Use a Rack with a Tonneau Cover?
- What is the Most Secure Truck Bed Cover?
- The Top 10 Tonneau Covers in 2021
- How to Measure Your Truck Bed for a Tonneau Cover
- Best Tonneau Covers in 2022
4.6
Customer Reviews (190)
Questions & Answers
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Will It Fit My Ram 2500
- 5.7L V8 - 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
- 5.9L I6 - 03, 04, 05, 06, 07, 08, 09
- 6.4L V8 - 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26
- 6.7L I6 - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26
- 8.0L V10 - 03
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