BAKFlip MX4 Truck Bed Cover

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Starting At*: $970 - $1,030
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To Learn More about our BAKFlip covers, check out our BAKFlip Finish Fundamentals.

Need your product faster? Visit your local dealer for expert installation and superior service.


America's #1 Selling Hard Folding Cover

America’s #1 selling hard folding cover, the BAKFlip MX4, has new features, including matte-finished cab corner caps, rail-end caps, clamps, and elevator bolts for a more streamlined look and feel. Other MX4 features include an enhanced functionality with pre-molded, die-cut, shock-absorbent bumpers and secure prop rod clips.


  • Premium matte finish
  • Durable aluminum panels
  • Rated up to 400 lbs. of evenly distributed weight
  • 5-year warranty
  • Dual-action tailgate seal
  • NEW finished corner caps featuring a softer seal for a more finished appearance
  • NEW pre-molded and die-cut A-panel and B-side bumpers
  • NEW secure rail end caps
  • NEW prop rod clips securely designed for durability
  • NEW matte-finished elevator bolts and clamps


This heavy-duty, all-season truck bed cover is designed to perform in extreme conditions. MX4’s resilient infrastructure is for everyday use, featuring NEW upgrades to the prop rod clips, rails, elevator bolts, and the A-panel and B-side bumpers that provide enhanced functionality and a more complete matte-finish look and feel. The MX4’s solid and robust design is flush mount, and backed by an extended 5-year warranty.

NOTE: Some 8' applications may not allow for 3rd brake light visibility due to the height of cab and light location.



Please feel free to make use of the BAKFlip MX4 hard folding tonneau cover installation instructions below to assist you with the installation of your BAKFlip MX4 truck bed cover. 

Supplemental Sheets

If you need additional install sheets for your specific Make please see below.  

If you have further questions or need technical assistance with the install of any BAKFlip MX4 truck bed cover, please call one of our knowledgable installation experts at 818-365-9000 or Contact Us and we will be happy to assist you.


BAK® Industries (“BAK”) warrants your BAKFlip MX4 hard folding truck bed cover to be structurally free from defects in material and workmanship for 5 Year Limited Warranty period from the retail date of purchase.

Warranty registration must be on file and/or proof of original purchase (detailed and dated receipt) is required for warranty service. Warranty is nontransferable and applies to the original purchaser of the BAK product only. 

To see how to care for your BAKFlip MX4 visit our Care & Maintenance page for more information. 

Durable Prop Rod Clips

  • Extra-strong clips holding prop rods in place while driving with the tonneau cover partially or fully closed
  • Prop rods secure your cover in the flipped up position to provide 100% unobstructed bed access

A-panel & B-side Bumpers

Pre-molded, die-cut A-panel and B-side bumpers for shock-absorbency

Cab Corner & Rail End Caps

  • Rail end caps for a more finished look
  • Cab corner caps with a softer, more integrated seal

Matte Elevator Bolts & Clamps

Matte finished elevator bolts and clips for superior UV and scratch resistance; for a premium, integrated look and feel.


4061 Total
Dylan D. 2015 Ford F-150
5 January 2020
Not as heavy duty as the Undercover brand bed cover that it is replacing but the Undercover costs mo... Read More
On BAKFlip MX4 17-20 Titan 5'7"
Brad Q. 2019 Ford F-150
5 January 2020
My rails were bent I think packing could be better when shipped this looks to be a common occurrence... Read More
On BAKFlip MX4 17-20 Titan 5'7"
Larry M. 2019 Ram 1500 Classic
5 January 2020
The end cap for one of the corners was broken upon arrival, the clip was broken in transit, can a ne... Read More
On BAKFlip MX4 17-20 Titan 5'7"
Chris L. 2017 Toyota Tacoma
5 January 2020
The truck bed is getting water in it. Might be installation error, but this is due to complicated in... Read More
On BAKFlip MX4 17-20 Titan 5'7"
Tyler M. 2019 Ford F-150
5 January 2020
Not a complete seal for water protection, and the tubes to channel water away fall off to easily. M... Read More
On BAKFlip MX4 17-20 Titan 5'7"
Brad N. 2018 Toyota Tacoma
5 January 2020
this is my 3rd bak product...ive had 2 G2s and this is my first MX4. The quality of the G2 seems too... Read More
On BAKFlip MX4 17-20 Titan 5'7"