Overview
The BAK BAKFlip MX4 (part number BKI448339) is a hard folding truck bed cover for the 2021–2022 Ford F-150. It has matte-finished cab corner caps, clamps and elevator bolts for a streamlined look and feel.
Other MX4 features include pre-molded, die-cut, shock-absorbent bumpers and secure prop rod clips, which BAK highlights as enhanced functionality.
Key features
- Matte-finished cab corner caps
- Clamps and elevator bolts for a streamlined look
- Pre-molded, die-cut, shock-absorbent bumpers
- Secure prop rod clips
Hard folding covers explained
A hard folding cover uses rigid panels that fold in sections, so the bed can be opened for access and closed for protection. The hinges and panel joints carry the weight of the cover, so they should be inspected regularly for wear, looseness and debris that could interfere with folding.
Before buying, consider how the cover will be used. Owners who carry tall loads or use racks should check clearance above the cab, and those who want a lower-profile look may prefer the matte cab corner caps. Prop rods and the bumpers protect the cover during opening and closing, so replace worn clips and bumpers promptly.
- Clean the hinge channels periodically
- Check prop rod clips for wear
- Replace worn bumpers before they crack
Specifications
| Brand | BAK Industries |
|---|---|
| Part number | BKI448339 |
| Model | BAKFlip MX4 |
| Cab corner caps | Matte finish |
| Bumpers | Pre-molded, die-cut, shock-absorbent |
Vehicle fitment
Fitment covers 2021 and 2022 Ford F-150 models across King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL and XLT trims.
Years before 2021 and after 2022 are not included. Confirm your vehicle’s year, model and trim before ordering.
