BAK 450339 BAKFlip MX4 Hard Folding Tonneau Cover for 2021-2026 Ford F-150

Vehicle Fitment

• 2021-2026 Ford F-150 (14th Generation, 5.5 ft Bed, All Trims, 2WD/4WD)
• 2022-2026 Ford F-150 Lightning (5.5 ft Bed, All Trims)

Fitment Notes

• Designed for Ford F-150 models equipped with the 5.5 ft bed configuration.
• Not compatible with F-150 models equipped with 6.5 ft or 8 ft beds.
• Verify factory bed length and optional bed accessories before installation.

Features

• BAKFlip MX4 hard folding tonneau cover design
• Aircraft-grade aluminum panel construction for enhanced durability
• Premium matte-finish panels resist UV exposure and scratches
• Tri-fold design provides partial or full truck bed access
• Integrated buckle system secures cover in folded position
• Automatic latching system improves cover security
• Dual-action seal allows tailgate operation with cover open or closed
• Low-profile flush-mount design improves truck appearance

Specifications

• Brand: BAK Industries
• Part Number: 450339
• Product Line: BAKFlip MX4
• Product Type: Hard Folding Truck Bed Tonneau Cover
• Vehicle Bed Length: 5.5 ft bed
• Material: Aluminum panels with matte finish
• Position: Truck bed mounted
• Opening Style: Folding tri-panel design
• Installation Type: Clamp-on mounting system, no drilling required

Included Components

• 1x BAKFlip MX4 Tonneau Cover Assembly
• 1x Driver Side Mounting Rail
• 1x Passenger Side Mounting Rail
• 1x Installation Hardware Kit
• 2x Drain Tubes

Product Description

The BAK 450339 BAKFlip MX4 Hard Folding Tonneau Cover provides premium cargo protection and versatile truck bed access for 2021-2026 Ford F-150 models. Built with durable aluminum panels and a low-profile matte finish, this cover helps protect cargo from weather, debris, and everyday use while maintaining a clean factory-style appearance.

The MX4 folding design allows drivers to quickly access the bed in multiple configurations, including fully closed for cargo security, partially folded for easier loading, or fully folded toward the cab for maximum bed access. The integrated latch system and dual-action tailgate seal provide convenient operation without limiting normal tailgate functionality.

Designed for straightforward installation, the BAKFlip MX4 uses a clamp-on mounting system that requires no drilling on compatible applications. This cover is an ideal upgrade for Ford F-150 owners seeking improved security, durability, and everyday truck versatility.