Skip to content
Fall Sale: Free shipping within Mainland USA until November 9!
Get FREE Shipping within mainland USA until 11/9!

BAKFlip MX4 Tonneau Cover (3rd Gen)

Original price $1,299.99 - Original price $1,299.99
Original price
$1,299.99
$1,299.99 - $1,299.99
Current price $1,299.99
🛡️ Guaranteed
Fitment
🔄 30-Day
Returns
✅ Authorized
Dealer

Key highlights

Holds up to 400lbs (evenly distributed)

Strength is increased 22% over previous models.

Textured, premium black matte finish

Flush mounting for a sleek, low-profile look

Automatic latching system with advanced lock components

provides maximum resistance against theft.

Superior weather protection

EPDM perimeter seals and dual-action tailgate seal keep your gear safe and dry.

100% bed access

Prop rods secure the cover and provide full access without obstructing the third brake light.

Click-in, one person install

New click-in mounting system requires no drilling or special tools.

About this cover

The BAKFlip MX4 Tonneau Cover is already the world's best-selling hard folding tonneau cover—and it just received a major upgrade! The newly redesigned BAKFlip MX4 (Gen 3) took everything you loved about the original and improved functionality, enhanced security features, and increased durability. Easy install with no-drill, click-in mounting will have you up and running in no time.

Make our best-selling trifold tonneau cover yours today with free shipping. Shop now!

Constructed primarily from alloy materials, including heavy-duty aluminum top panels and side rails, and reinforced with high-density polymer cores, the new and improved MX4 delivers 22% more strength than the original model. 

Enhanced security features include BAK's patented auto-latching system, securing the cover automatically when closed, and re-engineered lock components to resist forced entry from would-be thieves. You can rest assured that whatever you're hauling, it's safe and secure.  

Enhanced EPDM rubber perimeter seals and tight-fit clamps provide the best possible seal, keeping the elements out. Additionally, a 13% longer dual-action tailgate seal provides increased weather protection for the tailgate and allows for full tailgate functionality, no matter the cover's position. 

No-drill, click-in mounting reduces installation time by up to 12 percent over previous models. 

Best of all, your BAKFlip MX4 Tonneau Cover is Made in the USA!

See it in Action

Installation

The BAKFlip MX4 features an innovative click-in mounting system that makes installation a breeze. No special tools or drilling are needed. 

Download the BAKFlip MX4 Installation Instructions

Shipping & warranty

Shipping

The BAKFlip MX4 Tonneau Cover typically ships from our facility in 1-2 business days when in stock. 

If out of stock, special order options are available from the manufacturer. If you place a special order, a member of our team will contact you to discuss lead times for your specific product. 

Returns

Return within 30 days of receiving the item. Return shipping is the customer's responsibility and a 15% restocking fee applies, unless the product is damaged, defective, or the fitment is incorrect. Fas-Top products are made to order and carry a 30% restocking fee. If it doesn't fit and you used our fitment tool, we make it right at no cost.

Warranty

The MX4 Tonneau Cover features a 5-year limited manufacturer's warranty. 

BAK® Industries ("BAK") warrants all their products are structurally free from defects in material and workmanship for a specified period of time based on the product you purchase. The warranty will be void if the product has been damaged by accident, unreasonable use, neglect, improper service/installation/removal, modifications, acts of God or normal wear and tear or other causes not arising out of defective materials or workmanship.

Click here to learn more about the manufacturer's limited warranty and how to file a claim.

CALIFORNIA RESIDENTS: Prop 65 Warning