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We believe in doing right by our customers, no matter what it takes.

In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.

- Alan Marek, Founder of

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At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.

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Our “free shipping” policy means that orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.

100% Guaranteed to Fit

In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.

BAK BAKFlip MX4 Matte Tonneau Cover

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Sale Price: $899.88 - $1,019.88
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BAK Tonneau Covers Comparison

BAK Cover Style Material Finish/Look Weight/Rating
(Evenly Distributed)
Warranty Price
BAKFlip G2 Hard Folding Aluminum Semi-Gloss 300 lbs. 2 Years $749.88+
BAKFlip MX4 Hard Folding Aluminum Matte 400 lbs 3 Years $899.88+
BAKFlip FiberMax Hard Folding Fiberglass High-Gloss 300 lbs 2 Years $839.88+
BAKFlip F1 Hard Folding Fiberglass High-Gloss 400 lbs 3 Years $929.88+
BAKFlip VP Hard Folding Vinyl Vinyl 250 lbs 1 Year $719.88+
Revolver X2 Rolling Aluminum Rugged 400 lbs. 3 Years $819.88+
RollBak Retractable Aluminum Rugged 400 lbs. 2 Years $1,029.88+
BAKFlip CS Rack Integrated Hard Folding Aluminum Rugged 500 lbs Rack 2 Years $1,471.74+
BAKFlip CS/F1 Rack Integrated Hard Folding Fiberglass High-Gloss 500 lbs Rack 3 Years $1,679.29+


If you're in the market for a heavy-duty tonneau cover, then consider yourself lucky because you don't have to look any further. The BakFlip MX4 Tonneau Cover will give you the durability that you seek.

Strength & Style

The BakFlip MX4 Tonneau Cover will not disappoint. It will provide you the strength as well as the style that will make this tonneau cover last you for a very long time.

Product Features:

  • Constructed from heavy-duty aluminum panels
  • Matte black finish
  • Upgraded latch housing components
  • Upgraded tailgate seals
  • Integrated buckle system
  • Can carry up to 400 lbs distributed weight
  • Premium Density Foam Core
  • UV-resistant
  • Scratch-resistant
  • Maximum Water Resistance
  • Easy Installation

Good Upgrade

Upgrading to the BAKFlip MX4 Tonneau Cover is one of the best decisions that you can make for your truck. It’s meant to weather extreme conditions and it is designed for everyday use.

More Durable Than Ever

BakFlip MX4 Tonneau Cover's aluminum panels with the skins 1.5x thicker than the BakFlip G2, and with the premium density foam core, this tonneau cover becomes even more durable.

Layers of Protection

Its UV-resistant and scratch-resistant matte black finish not only contributes to BakFlip MX4 Tonneau Cover’s sleek & stylish look, but it also adds another layer of protection to your truck bed cover.

The BakFlip MX4 Tonneau Cover can carry up to 400 lbs evenly distributed. Just imagine the strength of that tonneau cover!

Easy Operation

To make truck bed access much easier, its integrated tailgate seal and latch housing components will make the operation of the BakFlip MX4 Tonneau Cover go as smoothly as possible.

Easy Installation

With all of these great features, you will be pleased to know that the BakFlip MX4 Tonneau Cover doesn’t require strenuous installation at all! No drilling required!

This product comes with the manufacturer's three year warranty.

The following part numbers are available in this product line:

    • 48101
    • 48120
    • 48327
    • 48504
    • 448100
    • 448120
    • 448121
    • 448122
    • 448125
    • 448126
    • 448203
    • 448203RB
    • 448204
    • 448207
    • 448207RB
    • 448307
    • 448309
    • 448310
    • 448311
    • 448327
    • 448328
    • 448329
    • 448330
    • 448331
    • 448406
    • 448407
    • 448409
    • 448409T
    • 448410
    • 448410T
    • 448426
    • 448427
    • 448504
    • 448505
    • 448506
    • 448507
    • 448524
    • 48330
    • 48331
    • 48525
    • 48602

To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.

Chevrolet (1988-2018)

C1500, C2500, Colorado, K1500, K2500, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 HD

Dodge (2002-2010)

Ram 1500, Ram 2500, Ram 3500

Ford (2004-2018)

F-150, F-250 Super Duty, F-350 Super Duty

GMC (1988-2018)

C1500, C2500, Canyon, K1500, K2500, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 HD

Honda (2017-2018)


Lincoln (2006-2008)

Mark LT

Nissan (2004-2018)

Frontier, Titan, Titan XD

Ram (2011-2018)

1500, 2500, 3500

Suzuki (2009-2012)


Toyota (2005-2018)

Tacoma, Tundra

Customer Reviews

All reviews are from actual, verified customers. We will invite you to leave your own review a few days after receiving your order.

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