--- product_id: 250722421 title: "BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448339 | Fits 2021-2026 Ford F-150 (incl. Raptor/Lightning) 5' 7\" Bed (67.1\")" brand: "realtruck" price: "11612.53 DT" currency: TND in_stock: true reviews_count: 13 category: "Real Truck" url: https://www.desertcart.tn/products/250722421-bak-bakflip-mx4-hard-folding-truck-bed-tonneau-cover-448339 store_origin: TN region: Tunisia --- # Advanced weatherproof seals & clamps Patented auto-latch locking system 22% stronger alloy-polymer build BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448339 | Fits 2021-2026 Ford F-150 (incl. Raptor/Lightning) 5' 7" Bed (67.1") **Brand:** realtruck **Price:** 11612.53 DT **Availability:** ✅ In Stock ## Summary > 🚛 Lock it down, weather it out, and own the road with the toughest tonneau cover around! ## Quick Answers - **What is this?** BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448339 | Fits 2021-2026 Ford F-150 (incl. Raptor/Lightning) 5' 7" Bed (67.1") by realtruck - **How much does it cost?** 11612.53 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/250722421-bak-bakflip-mx4-hard-folding-truck-bed-tonneau-cover-448339) ## Best For - realtruck enthusiasts ## Why This Product - Trusted realtruck brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Security:** Patented auto-latching locks keep your gear theft-proof without extra effort. - • **Seamless Bed Access:** Fold the cover flush to the cab for 100% bed access anytime—no compromises on utility or style. - • **Weatherproof Warrior:** State-of-the-art seals and clamps block out water, rain, and humidity—tested from -40℉ to 180℉. - • **Built for the Long Haul:** 22% stronger aluminum and polymer construction withstands daily abuse and heavy loads. - • **Effortless Installation:** New click-in rail system cuts install time by 12%, so you’re road-ready faster. ## Overview The RealTruck BAKFlip MX4 Gen 3 is a premium hard folding truck bed cover designed specifically for 2021-2026 Ford F-150 5'7" beds. Featuring a patented auto-latch locking system, reinforced alloy and polymer construction with 22% increased strength, and advanced weatherproof seals, it offers superior security, durability, and protection in extreme climates. Its sleek matte finish and flush-mount design combine style with full bed accessibility, backed by a 5-year warranty and easy installation. ## Description America’s best-selling truck bed cover just got even better.Introducing the BAKFlip MX4 Gen 3—the latest evolution of RealTruck’s most popular tonneau cover. Now better than ever, the BAK has redesigned the for improved strength, security, and all-weather performance. The Gen 3 MX4 features alloy-based construction, including heavy-duty aluminum side rails and top panels, reinforced with high-density polymer cores. This updated design delivers a 22 percent increase in strength over the previous generation, making it even more capable of handling daily use, heavy loads, and harsh environments. Security has also been upgraded. BAK’s patented auto-latching system secures the cover automatically when closed. Newly engineered lock components provide added resistance to tampering and forced entry, allowing you to transport your gear with confidence. In rough weather, the Gen 3 MX4 holds strong. Revised EPDM perimeter seals and tight-fit clamps offer the best seal yet, helping prevent water intrusion along the bed rails. A longer dual-action tailgate seal weatherproofs the tailgate while preserving full functionality, whether the cover is open or closed. While the MX4 is built tough, it doesn’t compromise on looks. The flush-mount design gives it a sleek, low-profile appearance, while a textured matte-black finish across all surfaces delivers a clean, subtle aesthetic. Installation is easier than ever with a new click-in rail system that cuts install time by up to 12 percent. Day-to-day use is just as simple—drop the tailgate, unlatch, and fold the cover forward. For complete bed access, fold the cover against the cab without blocking your third brake light. The BAKFlip MX4 Gen 3 is proudly assembled in Missouri using globally sourced materials and backed by a 5-year warranty. Review: Best tonneau cover - Perfect fit on 2026 F-150 5.5-foot bed. It took about 1/2 hour to install. Clean look that fits inside of top bed rail. Review: Quality cover that's worth the money - The packaging is well thought out and it arrived undamaged even though the box had corner damage. Installation took about 90 minutes. It's a very clean look, latches easily, and works as expected. I had to adjust it once to keep it from leaking around the top of the tailgate. The margin of error between sealing the top of the tailgate and keeping the tailgate from opening automatically is slim. I would buy it again. It's worth the money. ## Features - Fits 2021 - 2026 Ford F-150 (incl. Raptor/Lightning) 5' 7" Bed (67.1") - THE BEST-SELLING TRUCK BED COVER IN THE WORLD JUST GOT BETTER - NOW EVEN MORE SECURE THAN GEN 2 | The new BAKFlip MX4 comes with an updated design tested to keep your gear on theft-resistant lockdown with a patented and upgraded auto-latch locking system. - FITS TIGHTER TO KEEP WATER OUT | Improved seals and all-new tight-fit clamps provide state-of-the-art weather protection. - PROVEN FOR EXTREMES FROM ALASKA TO FLORIDA | Tested in the harshest conditions—from -40 to 180℉ and zero to 95% humidity—and guaranteed by a 5-year warranty. - NO WASTED BED SPACE, PARKED OR DRIVING | 100% bed access. All the time. Simply fold to the cab, easily secure, and safely drive with the cover fully open. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08L44X6NZ | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #17,997 in Automotive ( See Top 100 in Automotive ) #42 in Truck Tonneau Covers | | Brand | RealTruck | | Brand Name | RealTruck | | Customer Reviews | 4.2 out of 5 stars 756 Reviews | | Exterior Finish | Matte Aluminum | | Global Trade Identification Number | 00192631033097 | | Included Components | tonneau cover | hardware kit | install guide | | Item Type Name | truck bed tonneau cover | | Lock Type | Tailgate | | Manufacturer | BAK | | Manufacturer Part Number | 448339 | | Manufacturer Warranty Description | Extended 5-Year | | Material | Aluminum | | Material Type | Aluminum | | Model Number | 448339 | | Number of Items | 1 | | OEM Equivalent Part Number | 448339 | | Style | MX4: America’s Top Seller | | Style Name | MX4: America’s Top Seller | | UPC | 192631033097 | | Unit Count | 1 Count | | Weight Capacity Maximum | 54.9 pounds | ## Product Details - **Brand:** RealTruck - **Exterior Finish:** Matte Aluminum - **Lock Type:** Tailgate - **Material:** Aluminum - **Style:** MX4: America’s Top Seller ## Images ![BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448339 | Fits 2021-2026 Ford F-150 (incl. Raptor/Lightning) 5' 7" Bed (67.1") - Image 1](https://m.media-amazon.com/images/I/61Q0aozyebL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Does it fit a chevy truck? All I see is ford** A: The BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover you mentioned, with part number 448339, is specifically listed as fitting the 2021 - 2023 Ford F-150 models with a 5' 7" bed. Based on the information provided, it appears that this particular tonneau cover is designed and intended for Ford F-150 trucks, and there is no indication of it being compatible with Chevy trucks. If you are looking for a tonneau cover for your Chevy truck, I would recommend looking for options specifically designed to fit your Chevy model and bed size. It's important to ensure that the tonneau cover you choose is compatible with the specific make, model, and bed size of your truck to ensure proper fitment and functionality. **Q: where is the part number located.? I don’t see no white sticker on bottom and no box** A: I can't help you. I got a Bak Flip G2. **Q: How durable is the MX4? Read many reviews of this tonneau cover denting easily.** A: Its as tough as they come. I've had my 4 year old nephew standing on it and no flex at all. Plus its so easy to install and operate, hell my wife finds it easy to use. Its made with top notch materials and looks great on the truck. I had friends see mine and bought one just from sight. we love ours and have no issues with it at all. Its a solid buy!! **Q: Will this fit a 2023 f150** A: With a New Model Year F-150 it would be best to contact the manufacturer directly. Although they do reference it fitting 2021-2023. Mine is an Older Model and it fit correctly. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best tonneau cover *by J***S on August 18, 2026* Perfect fit on 2026 F-150 5.5-foot bed. It took about 1/2 hour to install. Clean look that fits inside of top bed rail. ### ⭐⭐⭐⭐⭐ Quality cover that's worth the money *by T***S on July 13, 2026* The packaging is well thought out and it arrived undamaged even though the box had corner damage. Installation took about 90 minutes. It's a very clean look, latches easily, and works as expected. I had to adjust it once to keep it from leaking around the top of the tailgate. The margin of error between sealing the top of the tailgate and keeping the tailgate from opening automatically is slim. I would buy it again. It's worth the money. ### ⭐⭐⭐⭐⭐ CFD Diesel and the MX4 - unbeatable combination! *by M***T on September 5, 2026* This review is more for the company CFD Diesel that sold me the MX4. I've had the MX4 before in trucks, awesome product and highly recommended. But what makes a really awesome product better is a great company that sells them to you. I can't say enough good things about CFD Diesel. The shipping company had damaged the box and my MX4. I reached out to CFD Diesel to help replace the broken part. CFD Diesel worked with me to get this issues resolved; and kept me updated every step of the way. Every message I gave them I got a reply back instantly within business days\hours. I did not have to remind them or ask for status - they always kept me informed without asking. I told them of an upcoming vacation I had where I need the bed cover. They made sure I got the replacement well ahead of time. Having a great product is one thing, but combining that with a great distribuitor - this makes all the difference!!! ## Frequently Bought Together - RealTruck BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448339 | Fits 2021-2025 Ford F-150 (incl. Raptor/Lightning) 5' 7" Bed (67.1") - RYDONAIR Short Antenna Compatible with Ford F150 2009-2025 & Ford Bronco 2021-2025, Internal Copper Coil for Enhanced Reception, Car Wash Proof, 7 inches Rubber Antenna Replacement - Bedrug Classic Bed Liner | Fits 2015 - 2024 Ford F-150 5'7" Bed (BRZSPRAYON is required if installing over Spray-In Liner), Charcoal Grey | BRQ15SCK --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/250722421-bak-bakflip-mx4-hard-folding-truck-bed-tonneau-cover-448339](https://www.desertcart.tn/products/250722421-bak-bakflip-mx4-hard-folding-truck-bed-tonneau-cover-448339) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-09*