BAK BAKFlip MX4 Tonneau Cover for Ram 1500/2500/3500 (2002-2024), Classic Body, Without RamBox
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Warranty Information
Vendor warranty summary
BAK Warranty
At a glance: Five years on BAKFlip MX4, F1 and Revolver X4s; three years on BAKFlip G2, FiberMax and Revolver X2; one year on the BAKBox. Original purchaser only.
This is BAK's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: November 4, 2026.
Coverage by product line
| BAK product | Coverage |
|---|---|
| BAKFlip MX4 | 5 years |
| BAKFlip F1 | 5 years |
| Revolver X4s | 5 years |
| BAKFlip G2 | 3 years |
| BAKFlip FiberMax | 3 years |
| Revolver X2 | 3 years |
| BAKBox | 1 year |
What's covered
- Structural defects in material and workmanship, from the retail purchase date
- The original purchaser, with registration on file or a detailed, dated receipt
What's not covered
- Owners after the original purchaser; the warranty is nontransferable
- Returns of non-defective covers once installation has taken place
- Products shipped back to BAK without prior authorization, which may be refused or returned at your expense
How to make a BAK warranty claim
- Return the defective cover to the place of purchase during the warranty period, or submit a claim through BAK's warranty claim form on RealTruck.
- Provide the order number, your name, address, phone and email, vehicle year, make and model, and the product name or part number.
- Describe the problem and include a copy of the original receipt and photos of the product.
- Get authorization from BAK before shipping anything back.
BAK contact: BAK (RealTruck): 877-216-5446; warranty policy, claim form and registration at https://realtruck.com/bak-warranty · Warranty page
Bought it from NVMOS? Start with us.
BAK's first route for a claim is the place of purchase, and it wants the order number, a dated receipt and photos, which we already have or can gather with you. Contact NVMOS first and we will build the claim, get BAK's authorization and work with RealTruck on the repair or replacement. Have your order number and a few photos of the issue ready, then call or text us at (920) 249-7744 or send us a message.
Shop BAK at NVMOS
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See all BAK products, lead times and FAQs →
Disclaimer: The information on this page describes BAK's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Sources: BAK warranty policy and registration (RealTruck, official) and BAKFlip MX4 vs. BAK Revolver X4s comparison: construction, access, made in USA (RealTruck, official) and BAK Industries digital catalog, Aug 2021: construction and load ratings (official document, hosted on a Shopify CDN) and TORA member spotlight: UnderCover and BAK Industries (SEMA). Last updated on nvmos.com: November 4, 2026. See our return policy for NVMOS's own terms.
About the brand
BAK makes hard tonneau covers, from the BAKFlip folding covers to the Revolver rolling covers, and is one of the RealTruck brands, which runs its warranty and support. At NVMOS we carry BAKFlip MX4, G2, F1 and FiberMax covers and Revolver X4s, X4ts and X2 covers for the pickups we support.
Made in: USA, with globally sourced materials (per RealTruck for the BAKFlip MX4) · Lead time: In-stock parts ship in 1-3 business days; parts stocked at the manufacturer take about 1-2 weeks.
Shop all 271 BAKWarrantyAll brands
Warranty terms are set by BAK, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
BAK BAKFlip MX4 Tonneau Cover for Ram 1500/2500/3500 (2002-2024), Classic Body, Without RamBox
The BAK BAKFlip MX4 is a hard folding tonneau cover for the Ram 1500 (2002-2024), Ram 2500 (2003-2024) and Ram 3500 (2003-2024) in the bed lengths listed above, without RamBox. This third-generation MX4 pairs aluminum top panels and rails with high-density polymer cores, and it sits flush with the bed rails in a textured matte black. It suits daily drivers that need a secure, weather-tight bed.
| Spec | Detail |
|---|---|
| Fitment | Ram 1500 (2002-2024); Ram 2500 (2003-2024); Ram 3500 (2003-2024) |
| Bed length | 6'4", 8' |
| Style | Hard folding |
| Finish | Textured matte black |
| Body style | Classic |
| RamBox | Without |
| Part number | 448203, 448204 |
Measure your bed and confirm it matches the bed length you choose before ordering. On the 2019+ Ram 1500, this cover is for the Classic body style, so check which body you have before ordering. Not for trucks with RamBox. BAK install instructions: download the PDF. Not sure it fits your build? Call or text us at (920) 249-7744 with your year, trim and setup and we will confirm it.
Will it fit my truck?
It fits the Ram 1500 (2002-2024), Ram 2500 (2003-2024) and Ram 3500 (2003-2024) in the bed lengths listed above, without RamBox.
How does it lock?
It latches automatically when closed, and the reworked lock parts resist forced entry.
Does it affect the tailgate?
No. The tailgate keeps its factory function with the cover in any position.
What is the warranty?
See our BAK warranty page for the current terms.
Specifications
BAK BAKFlip MX4 Tonneau Cover for Ram 1500/2500/3500 (2002-2024), Classic Body, Without RamBox FAQs
Will it fit my truck?
It fits the Ram 1500 (2002-2024), Ram 2500 (2003-2024) and Ram 3500 (2003-2024) with the 6 ft. 4 in. bed, without RamBox.
How does it lock?
It latches automatically when closed, and the reworked lock parts resist forced entry.
Does it affect the tailgate?
No. The tailgate keeps its factory function with the cover in any position.
What is the warranty?
See our BAK warranty page for the current terms.
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