{"product_id":"bak-bak448339-mx4-gen-3-hard-folding-truck-bed-cover","title":"BAK - bak448339 - MX4 GEN 3 Hard Folding Truck Bed Cover","description":"The best-selling truck bed cover in the world just got better.\n\nIntroducing the new and improved RealTruck BAKFlip® MX4 (GEN 3)—an evolution of RealTruck's most popular tonneau cover. This next-generation upgrade builds on everything truck owners already love about MX4, now enhanced with improved functionality, greater durability, and elevated security.\n\nThe new and improved BAKFlip MX4 is constructed primarily from alloy materials, including heavy-duty aluminum top panels and side rails. Reinforced with high-density polymer cores, each panel delivers a 22 percent increase in overall strength compared to the original model.\n\nSecurity is also enhanced. In addition to BAK's patented auto-latching system, which automatically secures the cover when closed, the BAKFlip MX4 (GEN 3) features re-engineered lock components for improved resistance to forced entry compared to the GEN 2. No matter the cargo you're transporting, you can rest assured knowing your gear's protected.\n\nWhen the weather turns, the BAKFlip MX4 (GEN 3) holds strong. Revised EPDM rubber perimeter seals and tight-fit clamps provide our best seal yet, preventing seepage between the bed cover and bed rails. At the rear of the cover, a 13 percent longer dual-action tailgate seal provides weather protection for the tailgate. This innovative design also improves operation, maintaining factory tailgate functionality regardless of the cover's position.\n\nThe BAKFlip MX4 isn't only durable, it's also sleek and stylish. Unlike competitors, the BAKFlip MX4 sits flush with your pickup's bed rails, practically disappearing into your truck's profile. And with a sleek, textured matte black finish across all surfaces, the MX4 looks great whether open or closed.\nBAKFlip MX4 (GEN 3) Hard Folding Truck Bed Cover - Matte Finish - 2021-2027 Ford F-150 5' 7\" Bed (Includes Lightning)\nBAKFlip MX4 (GEN 3) Tonneau Cover\n\u003cul\u003e\n  \u003cli\u003eHigh-density polymer-reinforced aluminum top panels are 22 percent stronger than the original MX4\u003c\/li\u003e\n  \u003cli\u003eRe-engineered automatic latching panels offer improved security over the GEN 2 design\u003c\/li\u003e\n  \u003cli\u003eRe-engineered perimeter seals and tight-fit clamps for superior weather protection\u003c\/li\u003e\n  \u003cli\u003ePremium rubber bumpers protect the cab when folded into the upright position\u003c\/li\u003e\n  \u003cli\u003eExtra-long, dual-action tailgate seal available on most applications\u003c\/li\u003e\n  \u003cli\u003eExtra Long Dual Action Tailgate Seal Available On Most Applications\u003c\/li\u003e\n  \u003cli\u003e12 percent quicker installation with all-new click-in design\u003c\/li\u003e\n  \u003cli\u003e12 Percent Quicker Installation With All New Click In Design\u003c\/li\u003e\n  \u003cli\u003eComprehensive 3rd brake light visibility in all positions\u003c\/li\u003e\n  \u003cli\u003eStriking textured black finish across all components\u003c\/li\u003e\n  \u003cli\u003ePrecision-engineered aluminum side rails and frame\u003c\/li\u003e\n  \u003cli\u003ePrecision Engineered Aluminum Side Rails And Frame\u003c\/li\u003e\n  \u003cli\u003eFolds against the cab for 100 percent bed access\u003c\/li\u003e\n  \u003cli\u003eRe-engineered prop rod clips for a secure hold\u003c\/li\u003e\n  \u003cli\u003eRe Engineered Prop Rod Clips For A Secure Hold\u003c\/li\u003e\n  \u003cli\u003e400 lbs. weight capacity (evenly distributed)\u003c\/li\u003e\n  \u003cli\u003eIntegrated Water Drainage System\u003c\/li\u003e\n  \u003cli\u003eSimple one-person installation\u003c\/li\u003e\n  \u003cli\u003e400 Lbs Weight Capacity\u003c\/li\u003e\n  \u003cli\u003eAssembled in Missouri\u003c\/li\u003e\n  \u003cli\u003e5-year warranty\u003c\/li\u003e\n  \u003cli\u003e5 Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBrief Description:\u003c\/strong\u003e The BAKFlip MX4 (GEN 3) is a hard folding truck bed cover with a sleek, textured matte black finish. It features heavy-duty aluminum top panels and side rails reinforced with high-density polymer cores for increased strength, improved security, and enhanced weather protection. The cover folds against the cab for full bed access while maintaining factory tailgate functionality.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Performance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Construction:\u003c\/strong\u003e High-density polymer-reinforced aluminum top panels provide a 22 percent increase in overall strength compared with the original MX4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Security:\u003c\/strong\u003e Re-engineered automatic latching and lock components improve resistance to forced entry compared with the GEN 2 design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather Protection:\u003c\/strong\u003e Revised EPDM perimeter seals, tight-fit clamps, and a dual-action tailgate seal help prevent seepage between the cover and bed rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Bed Access:\u003c\/strong\u003e The cover folds against the cab for 100 percent bed access, with premium rubber bumpers designed to protect the cab.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: BAK\u003c\/li\u003e\n\u003cli\u003ePart Number: bak448339\u003c\/li\u003e\n\u003cli\u003eProduct Type: Hard folding truck bed cover\u003c\/li\u003e\n\u003cli\u003eFinish: Textured matte black\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminum panels, side rails, and frame with high-density polymer reinforcement\u003c\/li\u003e\n\u003cli\u003eWeight Capacity: 400 pounds evenly distributed\u003c\/li\u003e\n\u003cli\u003eInstallation: One-person installation with a click-in design\u003c\/li\u003e\n\u003cli\u003eWarranty: 5 years\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included in the Box:\u003c\/strong\u003e The product data identifies this item as a BAKFlip MX4 (GEN 3) tonneau cover. Specific box contents are not provided.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits 2021-2022 Ford F-150 models with a 5-foot 7-inch bed, including the 2022 Ford F-150 Lightning, according to the available fitment data.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2021 Ford F-150 King Ranch\u003cbr\u003e\n2021 Ford F-150 Lariat\u003cbr\u003e\n2021 Ford F-150 Limited\u003cbr\u003e\n2021 Ford F-150 Platinum\u003cbr\u003e\n2021 Ford F-150 Police Responder\u003cbr\u003e\n2021 Ford F-150 Raptor\u003cbr\u003e\n2021 Ford F-150 SSV\u003cbr\u003e\n2021 Ford F-150 Tremor\u003cbr\u003e\n2021 Ford F-150 XL\u003cbr\u003e\n2021 Ford F-150 XLT\u003cbr\u003e\n2022 Ford F-150 King Ranch\u003cbr\u003e\n2022 Ford F-150 Lariat\u003cbr\u003e\n2022 Ford F-150 Limited\u003cbr\u003e\n2022 Ford F-150 Platinum\u003cbr\u003e\n2022 Ford F-150 Police Responder\u003cbr\u003e\n2022 Ford F-150 Raptor\u003cbr\u003e\n2022 Ford F-150 SSV\u003cbr\u003e\n2022 Ford F-150 Tremor\u003cbr\u003e\n2022 Ford F-150 XL\u003cbr\u003e\n2022 Ford F-150 XLT\u003cbr\u003e\n2022 Ford F-150 Lightning Lariat\u003cbr\u003e\n2022 Ford F-150 Lightning Platinum\u003cbr\u003e\n2022 Ford F-150 Lightning Pro\u003cbr\u003e\n2022 Ford F-150 Lightning XLT\u003cbr\u003e\n2023 Ford F-150 King Ranch\u003cbr\u003e\n2023 Ford F-150 Lariat\u003cbr\u003e\n2023 Ford F-150 Limited\u003cbr\u003e\n2023 Ford F-150 Platinum\u003cbr\u003e\n2023 Ford F-150 Police Responder\u003cbr\u003e\n2023 Ford F-150 Raptor\u003cbr\u003e\n2023 Ford F-150 SSV\u003cbr\u003e\n2023 Ford F-150 Tremor\u003cbr\u003e\n2023 Ford F-150 XL\u003cbr\u003e\n2023 Ford F-150 XLT\u003cbr\u003e\n2023 Ford F-150 Lightning Lariat\u003cbr\u003e\n2023 Ford F-150 Lightning Platinum\u003cbr\u003e\n2023 Ford F-150 Lightning Pro\u003cbr\u003e\n2023 Ford F-150 Lightning Pro SSV\u003cbr\u003e\n2023 Ford F-150 Lightning XLT\u003cbr\u003e\n2024 Ford F-150 King Ranch\u003cbr\u003e\n2024 Ford F-150 Lariat\u003cbr\u003e\n2024 Ford F-150 Platinum\u003cbr\u003e\n2024 Ford F-150 Police Responder\u003cbr\u003e\n2024 Ford F-150 Raptor\u003cbr\u003e\n2024 Ford F-150 Raptor R\u003cbr\u003e\n2024 Ford F-150 SSV\u003cbr\u003e\n2024 Ford F-150 STX\u003cbr\u003e\n2024 Ford F-150 Tremor\u003cbr\u003e\n2024 Ford F-150 XL\u003cbr\u003e\n2024 Ford F-150 XLT\u003cbr\u003e\n2024 Ford F-150 Lightning Flash\u003cbr\u003e\n2024 Ford F-150 Lightning Lariat\u003cbr\u003e\n2024 Ford F-150 Lightning Platinum\u003cbr\u003e\n2024 Ford F-150 Lightning Pro\u003cbr\u003e\n2024 Ford F-150 Lightning Pro SSV\u003cbr\u003e\n2024 Ford F-150 Lightning XLT\u003cbr\u003e\n2025 Ford F-150 King Ranch\u003cbr\u003e\n2025 Ford F-150 Lariat\u003cbr\u003e\n2025 Ford F-150 Platinum\u003cbr\u003e\n2025 Ford F-150 Police Responder\u003cbr\u003e\n2025 Ford F-150 Raptor\u003cbr\u003e\n2025 Ford F-150 SSV\u003cbr\u003e\n2025 Ford F-150 STX\u003cbr\u003e\n2025 Ford F-150 Tremor\u003cbr\u003e\n2025 Ford F-150 XL\u003cbr\u003e\n2025 Ford F-150 XLT\u003cbr\u003e\n2025 Ford F-150 Lightning Flash\u003cbr\u003e\n2025 Ford F-150 Lightning Lariat\u003cbr\u003e\n2025 Ford F-150 Lightning Platinum\u003cbr\u003e\n2025 Ford F-150 Lightning Pro\u003cbr\u003e\n2025 Ford F-150 Lightning Pro SSV\u003cbr\u003e\n2025 Ford F-150 Lightning XLT\u003cbr\u003e\n2026 Ford F-150 King Ranch\u003cbr\u003e\n2026 Ford F-150 Lariat\u003cbr\u003e\n2026 Ford F-150 Platinum\u003cbr\u003e\n2026 Ford F-150 Police Responder\u003cbr\u003e\n2026 Ford F-150 Raptor\u003cbr\u003e\n2026 Ford F-150 SSV\u003cbr\u003e\n2026 Ford F-150 STX\u003cbr\u003e\n2026 Ford F-150 Tremor\u003cbr\u003e\n2026 Ford F-150 XL\u003cbr\u003e\n2026 Ford F-150 XLT\u003cbr\u003e\n2026 Ford F-150 Lightning Flash\u003cbr\u003e\n2026 Ford F-150 Lightning Lariat\u003cbr\u003e\n2026 Ford F-150 Lightning Platinum\u003cbr\u003e\n2026 Ford F-150 Lightning Pro\u003cbr\u003e\n2026 Ford F-150 Lightning Pro SSV\u003cbr\u003e\n2026 Ford F-150 Lightning STX\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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