BAKFlip MX4 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 2500HD/3500HD 8'

Part #


BAKFlip MX4 Truck Bed Cover

Price*: $1,079.99
BAK products are custom built. Due to current volumes, orders may take up to 20 days.

To Learn More about our truck bed covers, check out our BAK Finish Fundamentals.

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

Your Selected Product Fits These Vehicles

  • 2014-2018 Chevrolet Silverado 1500 97.8 Bed
  • 2015-2019 Chevrolet Silverado 2500 HD 97.6 Bed
  • 2015-2019 Chevrolet Silverado 3500 HD 97.6 Bed
  • 2014-2018 GMC Sierra 1500 97.8 Bed
  • 2015-2019 GMC Sierra 2500 HD 97.6 Bed
  • 2015-2019 GMC Sierra 3500 HD 97.6 Bed


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, 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 (not applicable to 05-15 Tacoma or 05-16 Ridgeline)
  • 100% bed access
  • 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 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. 


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. 

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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.


7855 Total
Gerald G. Verified Buyer
18 October 2021
Snug fitting and super easy to install.
literally fits like a perfect pair of underwear! Super easy to put on too!!
Joseph H. Verified Buyer
3 October 2021
Product is awesome - had to modify a little to make it 100 % waterproof. Which is no big deal.
Daniel C. 2019 Ram 2500
10 August 2021
I enjoy having total access to the bed of my truck without having to remove the cover.
Richard B. 2021 Ford F-150
10 August 2021
Great product, had one on my last vehicle. Couldn't wait to install it on my new truck. I highly recommend it.
Jeremy S. 2020 Chevrolet Silverado 1500
10 August 2021
It’s awesome
James G. 2021 Ram 1500 Classic
9 August 2021
This is my 3rd truck in under a year....dont ask....Having said that I have bought the MX4 for all three and have not found any better.
Ramon S. 2015 Toyota Tacoma
9 August 2021
Great product. Will recomend it to everybody.
Rich R. 2019 Ford F-250 Super Duty
9 August 2021
this is my third Bakflip and Bakbox order and they all are excellent products!
Daryl A. 2021 GMC Sierra 2500 HD
9 August 2021
Was referred by a friend who also has a BAKflip MK4. Excellent fit and quality and looks great on my truck. Easily installed with no issues encountered.
David M. 2021 Ford F-150
9 August 2021
Installed very easily and works great, Awesome Hard Folding Cover. I would buy it again if i ever buy another truck.
William I. 2021 Chevrolet Silverado 1500
7 August 2021
Easy installation. If I could do it anyone could.
Bill K. 2021 Ford F-150
7 August 2021
Pretty easy install- could be done with one person. The video was excellent.
Shane M. 2021 Ford F-150
7 August 2021
Awesome cover, already have a friend buying one, highly recommend
Teddy Ayon 2011 Toyota Tundra
6 August 2021
Love my cover!
This is my second Bak Industries bed cover purchase. My first purchased lasted ten years and survived a couple of Texas hail storms. Great quality, great product!!
Jerry K. 2020 Ford F-150
6 August 2021
Great product - quality and looks are incredible!