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  1. Tonneau Covers
  2. BAK Industries
  3. Fold-Up - Hard
  4. Flush Profile - Inside Bed Rails
  5. Rack Compatible
  6. Aluminum
BAKFlip MX4 Hard Tonneau Cover - Folding - Aluminum - Matte Finish

BAKFlip MX4 Hard Tonneau Cover - Folding - Aluminum - Matte Finish

Item # BAK48330
Retail:$1,241.43
Our Price: $1,199.99
You Save: $41.44
Tonneau Covers

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Shipping Weight: 71 lbs
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Get style and versatility with this heavy-duty, all-aluminum tonneau. Quad-fold cover sits inside your vehicle's bed rails and secures upright for unrestricted bed access. Tailgate opens and closes with cover up or down. Matte black finish. Great Prices for the best tonneau covers from BAK Industries. BAKFlip MX4 Hard Tonneau Cover - Folding - Aluminum - Matte Finish part number BAK48330 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (102)
  • Q & A (0)
  • Photos

BAK Industries Tonneau Covers - BAK48330

  • Fold-Up - Hard
  • Flush Profile - Inside Bed Rails
  • BAK Industries
  • Rack Compatible
  • Aluminum
  • Matte
  • Opens at Tailgate

Get style and versatility with this heavy-duty, all-aluminum tonneau. Quad-fold cover sits inside your vehicle's bed rails and secures upright for unrestricted bed access. Tailgate opens and closes with cover up or down. Matte black finish.


Features:

  • Custom-fit tonneau cover protects your cargo and your vehicle's bed from the elements
    • Aerodynamic style reduces wind drag, improving gas mileage
  • Quad-fold design allows for partial or full truck bed access in seconds without having to remove cover
    • Prop rods let you secure folded cover in upright position so you can drive with truck bed completely open
    • Integrated buckle system lets you secure the cover in the folded, flipped up, or closed position
  • Low-profile cover sits inside your truck bed rails
    • Compatible with stake-pocket-mounted accessories and raised side rails
  • Automatically latching panels create a secure truck bed when tailgate is closed and locked
    • Rear seal lets you open and close tailgate with cover open or closed
  • Matte black rubber seals and built-in drainage system help to keep water out of bed
  • 1/2" Thick, rustproof aluminum panels are sturdy and durable
    • Premium density foam core adds strength
    • Cover rated to hold up to 400 lbs of evenly distributed weight
  • Matte black finish is resistant to scratches, scuffs, and UV rays
  • Aircraft-grade, rustproof aluminum rails with black powder coat finish create base for tonneau
  • Easy, no-drill installation
    • Frame rails clamp to the inside of your truck bed side rails
    • Included bolts secure front hinge rail to frame rails
  • Compatible with BakBox2 (sold separately)
  • Made in the USA
  • 5-Year warranty


448330 BAK Industries BAK Flip MX4 Hard Folding Truck Bed Cover

Replaces 48330

Installation Details BAK48330 Installation instructions

This Product Fits The Following Vehicles



California residents: click here



Customer Reviews

BAKFlip MX4 Hard Tonneau Cover - Folding - Aluminum - Matte Finish - BAK48330

Average Customer Rating:  4.6 out of 5 stars   (102 Customer Reviews)

Get style and versatility with this heavy-duty, all-aluminum tonneau. Quad-fold cover sits inside your vehicle's bed rails and secures upright for unrestricted bed access. Tailgate opens and closes with cover up or down. Matte black finish.

by:

So after a year I am still loving this bed cover. Had the fiberglass version for my 2013 F-150 and loved it as well, that's why I purchased this one for my 2019 Super Duty, it was also the first accessory I purchased for it because I was so used to my other one and knew I couldn't live without it. I never installed the drain tubes on either covers and still haven't had water get it my bed. Also the folks at etrailer are always awesome! Thanks again!



by:

I am a huge fan of the BAKFlip. The installation was pretty straight forward and easy. Anybody with moderate mechanical ability can install. I think it took less than 2 hours. I live in a heavy snow area and had more than 24” of snow on it at one point and the product performed flawlessly.



by:

the bedcover finally came in.
Few pictures
of it installed.



by:

Solid performance. Only issue is with the glue holding the pads is failing

Etrailer Expert

Jenny N.

4/4/2022

You mentioned that the glue holding the pads are failing. I wanted to see if you would be able to send a picture to show the locations.



by:
2017 Ford F-250 Super Duty

It's a straight forward assembly but photos of the assembly steps would be better than the illustrations.
NOTE: This model allows you to open and close the tailgate without lifting up the cover. The other models require you to lift the cover so the tailgate won't damage it.

Martin Z.

9/19/2018

Great cover holds up really well, no problems



by:
2020 Ford F-250 Super Duty

I love the design of it and it is rock solid



by:
2017 Ford F-350 Super Duty

After a year with my BAKFlip MX4 tonneau cover, I'm completely satisfied, in my opinion, that I purchased the best rigid and secure cover for my 2017 F350 Super Duty truck, with 6'-9" box.



by:
2022 Ford F-250 Super Duty

I am very satisfied with my Tonneau cov er.



by:

Excellent tonneau, easy install, quality product. Installed a year ago, no problems, still looks like new



by:

Great product, a little pricey but you get what you pay for. It keeps objects save and protected from the weather. Very well built and have had no issues.



by:

Keeps out the water well. However if you do a lot of dirt roads like I do a lot of dust still gets in. No regrets buying it.



by:



by:

Looks great and was easy to install



by:

I have owned this cover for over a year and it has been excellent. It keeps the bed fairly dry as expected and I have had no mechanical issues with it as it still performs like new. I would say the only improvement I would suggest is better foam weather striping for the front of the bed as the original never stuck to the spray in liner very well and eventually came lose and then I just swapped with some similar weather striping I bought locally.



by:

The cover functions ok. The tailgate leaks quite a bit. The manufactured edges that where cut were sharp and not painted or treated. The weather strip along the edges has already discolored/faded. Disappointed in the fading and less than ideal sharp edges. Somewhat expected leaks, but not this much. Average at best rating, especially for the price.



by:

I have been using this cover for almost a year now, and am very pleased with it. It looks and fits great, and it is secure and keeps most of the bed dry in the rain. A couple of rubber trip bits have needed some improved securing, and I used a little RTV so it was easy. I drove it across the country round trip last summer and it was perfect. I would recommend this cover for a great-looking and pretty secure cover. Finally, it is easy to fold forward when it is time to haul loads taller than the bed rails.



by:

Overall, I am very pleased with my BAKFlip MX4. It has held up well after 1 year. It works well and looks good. It matches my matte black accessories and trim. It was fairly easy to assemble but I did have some tight fitment issues near the cab where the cover connects to the rail. I really like the security of the hardtop and access through the tailgate. Water is generally kept out, but sometimes there are water drips near the tailgate depending on the angle parked. So this cover keeps the bed *mostly* dry.
etrailer was very fast to deliver my cover, and it came in good condition.



by:

Well made cover. A lot sturdier than I thought it would. Its not full proof so water does get in the bed but it's minimal. The cover partially blocked my tool box which sit in the bed, so I removed the tool box cover for easy access.



by:

I installed the BAKFlip MX4 in my RAM 2500 Crewcab has the 6' 1/2 short bed, drived 300 miles now. good product, open and close the tailgate without lifting up the cover



by:

Easy to install. Doesn't leak. Easy to clean, and seems to have improved my fuel mileage a bit. I am happy and would highly recommend this cover. Fits my 2018 Silverado perfectly.



by:

Cover went on easy and looks good on the truck. We put it on our 2020 Colorado which we tow with our motor home. It works great for extra secured storage. The only problem was with the rubber bumpers on the bottom and the two on top , fell off as soon as I opened the box. Not a big deal just had to use a little gorilla glue on them and all has been good.



by:

This tonneau cover can be installed by one person. It works great. It is water proof in the rain.



by:

I really love the bakFlip cover. It locks up all my stuff when we are on the road. I really like the looks too.



by:

This is the third MX4 that I have owned. This one is on Ford’s Maverick. The first two fit well but not perfect. I don’t really know if the slight issues were the fault of the truck or the cover. This cover is the best yet. Absolutely no leaks!! The fit to the tailgate is very uniform!! When ever I need a cover, I don’t even look at te competition. These are great covers.



by:

After a year of using the cover I found that there are a few things that could be improved and you can do some of these yourself.
The knobs for the cover that actually hold it into the bed-vibrate loose. I added my own lock washers. The poles that you use to hold the cover up when the cover is raised up against the back window-they also vibrate loose-so often that I just removed them and keep them under my seat. The little u-clip pole holders for the poles when not in use-they are too weak-often letting the poles jump out or fall out during normal road driving.
The cover itself is not waterproof --it sheds water away mostly however enough gets into the bed that you can not trust your items to be dry. Bag important stuff to keep it dry.
The rear weather seal slides back and forth too easily--sometimes working itself out about 2 inches until you see it and slide it back into place--i addenda small amount of silicone to stop this from moving.
The cover is strong, looks good and is mostly what I was looking for. Unfortunately I would not buy this again-even more because you have to relocate the bed accessory rails-which then limits the items you can buy for your truck because they are designed for the rails to be in the factory positions.
My next cover will be a roll up so that it allows visibility out of the back window. When this cover is flipped up to its final position it completely blocks the rear window. When I was looking at covers-my thought was well its the coolest looking cover and I can deal with not seeing out the back window--well that has changed. It is not practical. The price is high and there are many other options out there that are. My soft roll up tonneau cover was great-waterproof and I could have bought 6 of them for this price. If one was damaged it would have been better to just throw it away and order a replacement. Sorry guys-look elsewhere for a better cover.


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Show More Reviews

See what our Experts say about this BAK Industries Tonneau Covers

  • What Tonneau Cover Fits a 2024 Ford F-250 w/ a 6-3/4 Foot Bed and a Thule TracRac SR Ladder Rack?
    For a 2024 Ford F-250 with a 6-3/4' bed, you will want the BAKFlip MX4 Hard Tonneau Cover item # BAK48330. This folding tonneau cover mounts inside the bed rails of your Ford truck which allows the Thule TracRac SR Sliding Truck Bed Ladder Rack item # TH43003XT-785 to install inside the stake pockets.
    view full answer...
  • What Ladder Rack Will Work with the BAKFlip MX4 Tonneau Cover on a 2020 Ford F-350 Super Duty
    We do have a ladder rack solution for your 2020 Ford F-350 Super Duty with the BAKFlip MX4, part # BAK48330 for short bed or # BAK48331 for long bed, but you are correct that the vast majority out there use a clamping system which makes them incompatible with most tonneau covers. For your application you can use the Adarac Pro Series Ladder Rack, part # A4000952 for short bed or # A4000958 for long bed, because it uses an anchoring system with the stake pockets instead of a clamping system...
    view full answer...
  • Will BAKFlip MX4 Cover Fit with B&W Companion on 2022 Ford F-350
    The BAKFlip MX4 Hard Tonneau Cover # BAK48330 sits about 1-1/2" below the top of the bed rails on your 2022 Ford F-350 Super Duty short bed. Since this is really close to the height of your B&W Companion # BWRVK3370. Because of this I recommend looking into the RetraxONE MX Hard Tonneau Cover # RT60383 instead. The tracks for this sit high enough to clear your 5th wheel and the cover is stored in a 13-1/2"x12" canister at the front of the bed. I really like this option as well because...
    view full answer...
    Image 1 for
  • Is There BAK Tonneau Cover that Fits 2018 Ford F-150 6.5 ft Bed with TracRac Ladder Rack
    Hey Josh, so we do have a BAK tonneau that fits your 2018 Ford F-150 6-1/2 foot bed and the Thule TracRac SR part # TH43002XT-501EX with the Bak Revolver part # BAK27ZR but the BakFlip won't fit well as the panels would hit the uprights. I am not sure why exactly but we do not have a military discount at this time.
    view full answer...
  • How Do I Solve Water Leakage on My BAK Tonneau Cover?
    I went ahead and brought your issue to my contact at BAK about your BAK tonneau cover, and he confirmed that you can either trim the hose or shove it through the hole. He also recommended using silicone around the nipple to deter leakage.
    view full answer...
  • Best Ladder Rack for 2019 Ford F-250 Short Bed with BAKFlip MX4 Hard Tonneau Cover Installed
    Yes, the Adarac Pro Series Custom Truck Bed Ladder Rack part # A4000952 will work on a 2019 Ford F-250 with BAKFlip MX4 Hard Tonneau Cover part # BAK48330. In fact, the Adarac Pro Series is actually the only ladder rack that will work with the BAKFlip MX4. The reason for this is because the uprights on the Adarac Pro Series are straight so they will not interfere with the panels on the BAKFlip MX4. Unfortunately, the Adarac Pro Series is not offered in black but you could paint this yourself...
    view full answer...
  • What Ladder Rack Do You Recommend for a BAKFlip MX4 on My 2021 Chevy Silverado 1500 58 Bed?
    For a great ladder rack that fits with your BAKFlip MX4 on your 2021 Silverado 1500 with a 5'8" bed, I recommend the Adarac Pro Series Custom Truck Bed Ladder Rack # A4002965. Since the BAKFlip MX4 completely installs within the bed rails of your truck, the Adarac Pro Series will be able to install into the stake pockets of your vehicle without interfering the tonneau. The Adarac comes with a 500 pound weight capacity for carrying ladders, lumber, piping, and and other cargo with ease....
    view full answer...
  • Can Thule TracRac Ladder Rack Fit with BAK X4 Revolver in 2019 Ford F-250 6-3/4 ft Bed
    The TracRack SR Ladder Rack part # TH43002XT-610 has enough clearance to allow the Bak Revolver tonneaus like the # BAK48330 you have installed on your 2019 Ford F-250 6-3/4 foot bed. This is a very common combination of ladder rack and tonneau cover that we know fits and works great together. Your Revolver is actually the only hard roll-up tonneau cover we can safely recommend as a fit with the TracRac SR ladder racks.
    view full answer...
  • Recommended Tonneau Cover for 5th Wheel Towing with 2022 Ford F-350 Short Bed
    According to BAKflip, when the # BAK48330 is folded up against the rear of the truck cab, it'll reach into the bed by about 9 inches. Since the cover sits against the back of the cab when folded up and reaches most of the way up to the roof, it would be a little too close for comfort to the front corners of your 5th wheel during turns. I'd rather see you use a retractable cover like the Retrax # RT60383 which will not extend up past the top of the bed sides when fully retracted, so it...
    view full answer...
  • Is BAKFlip Cover Compatible with 5th Wheel Towing for 2020 Ford F-350 Super Duty with Short Bed
    Thank you for all of the great info! While you technically could have enough room to make turns with the B&W Companion # BWRVK3370 and the BAKFlip MX4 Hard Tonneau Cover # BAK48330, from what I could find out I think you're only going to have a few inches of clearance so I'm a bit hesitant to say the these will for sure fit together and you'll be safe (the BAKFlip will take up about 25" of your bed just for reference). Instead I recommend using a retractable cover like the Pace Edwards...
    view full answer...
    Image 1 for
  • Ladder Rack that Can Fit 2022 Ford F-250 with BAKFlip MX4 Tonneau
    Yes, due to how the BAKflip MX4 # BAK48330 you have on your 2022 Ford F-250 short bed installs the only ladder rack that's going to work is the Adarac Pro Series part # A4000952 which installs through the stake pockets and has vertical uprights that will allow the cover to fold up. Uprights that angle in would interfere with folding panels.
    view full answer...
  • Can You Drive With BAKFlip MX4 Hard Tonneau Cover Folded Against Up Cab of 2020 Ford F-250 Short Bed
    Yes you can drive your 2020 Ford F-250 Super Duty with the BAKFlip MX4 tonneau cover flipped up against the cab. The correct part number for your short bed '20 F-250 is the following: - BAKFlip MX4 Hard Tonneau Cover # BAK48330 The BAKFlip MX4 # BAK48330 is actually designed to do just this; I have added a cut out from the directions which show how to do this. There is a prop rod that gets secured to a plate underneath the cover which ensures it gets held firmly in place so you can have...
    view full answer...
    Image 1 for
  • Does BAKFlip MX4 that Fits 2019 Ford Ranger 5 ft Bed Also Fit with Bed Liner
    Yes, the BAKFlip MX4 # BAK448332 that fits your 2019 Ford Ranger 5 foot bed does also fit with bed liners like you mentioned.
    view full answer...
  • How Waterproof is BakFlip MX4 Tonneau Cover for 2020 Ford Super Duty 6-3/4 ft Bed
    The BakFlip tonneau cover part # BAK48330 that you referenced will do a great job keeping most of the water out of your truck bed, but it's not totally waterproof so there's a possibility water will still get in during a heavy downpour. It has a drain system too that helps direct the water out of the truck as well.
    view full answer...
  • Comparing BAK Tonneau Covers MX4 and G2 for 2017 Ford F-250
    For your 2017 Ford F-250 the Bak MX4 part # BAK48330 and the BAKFlip G2 # BAK26330 are both pretty similar in that they are folding aluminum tonneau covers that will fit and work great, but there are a few differences. The biggest being that the G2 has three sections that fold and the MX4 has 4. The MX4 is also compatible with the BakBox which is a storage box, part # BAK92100. The MX4 also has a weight rating of 400 lbs evenly distributed on it while the G2 isn't rated at all.
    view full answer...
  • Best Tonneau Cover for a 2019 Ford F-350 Short Bed
    The best tonneau cover for a 2019 Ford F-350 is the BAKFlip MX4 Hard Tonneau Cover part # BAK48330. I prefer the BAKFlip MX4 because it has a hard top which means your contents inside the truck bed are truly safe, it has a low profile design so you don't have to worry it sticking up from the bedsides taking away from the look of the vehicle, and it is very durable therefore you don't have to worry about it getting damaged when using your truck as a truck. The BAKFlip MX4 has a very tight...
    view full answer...
  • Tonneau Cover and Ladder Rack that Fits Together for 2017 Ford F-250 Short Bed
    You would be able to install the TracRac SR Ladder Rack part # TH43002XT-508 with the BAK MX4 Tonneau Cover part # BAK48330 but the issue will be that the base rails of the ladder rack are going to interfere with the tonneau cover folding up. Sometimes you get lucky and the rails don't interfere but since it's unknown and such a close call it's hard for us to guarantee it either way. Instead we do know that the BAK Revolver X2 tonneau cover part # BAK39330 does allow a TracRac sliding...
    view full answer...
  • BAKBox 2 Collapsible Truck Bed Toolbox That is Compatible With BAKFlip Tonneau on 2017 Ford F-350
    The BAKFlip MX4 Tonneau Cover # BAK48330 is a fit for your 2017 Ford F-350 and is compatible with the BAKBox 2 Collapsible Truck Bed Toolbox # BAK92501. The box is 60" long x 10" wide x 10" deep and has a weight capacity of 400 lbs and will clamp onto your tonneau's frame rails with the hardware it comes with.
    view full answer...
  • Recommended Ladder Rack Compatible With BAKFlip MX4 Folding Tonneau Cover on 2020 Ford F350
    Usually ladder racks use the inside edge of the top of the bed site to attach to the vehicle, but luckily there are exceptions to that. The Thule TracRac SR is typically compatible with tonneau covers that mount to the inside edges of the truck bed. I spoke with my BAK Industries representative, who confirmed that the SR will work with the BAKFlip MX4 on your truck. The correct Thule TracRac SR for your short bed F350 is part # TH43003XT-785. I've linked a product description video...
    view full answer...
  • Recommended Aluminum Folding Tonneau Cover for 2017 Ford F-250 Super Duty
    The BAKFlip G2 Hard Tonneau Cover # BAK26330 referenced in your question is a great choice and is confirmed to fit your 2017 Ford F-250. I spoke with my contact at BAK Industries and he stated that they have not heard of any issues with the bed rails on the Ford or any other truck buckling because of the installation hardware on the unit. He also confirmed that there is no problem at all with the new aluminum beds on the Ford trucks. Most likely the customer with the issue you stated over-tightened...
    view full answer...
  • Recommended Tonneau Cover And Ladder Rack For A 2023 Nissan Frontier
    The BakFlip MX4 and TruXedo Elevate Ladder Rack System both do work together but they wouldn't be compatible with the Utili-track system in the bed. If you remove the Utili-track system from the bed then you'd be able to install both the MX4 # BAK94AV and Elevate # TX38NV. There currently aren't any other compatible combinations available for both a tonneau cover and ladder rack for your 2023 Nissan Frontier.
    view full answer...
  • Availability of Folding Tonneau Cover and Ladder Rack for 2019 Ford F-250
    I do have a a couple possible solutions for you, however we have found that covers like the BAKFlip F1 Hard Tonneau Cover # BAK72330 and the MX4 # BAK48330 that you referenced don't quite get along with the SR Thule TracRacs like # TH43003XT-785 for your 2019 Ford F-250. While this particular ladder rack does offer the closest option to work with the BAKFlip since it mounts to the top of the bed rails, we found in our own testing that the rubber strip on the outside of the cover does interfere...
    view full answer...
  • 2022 Ford F-250 Short Bed - Using The BAKFlip MX4 With A Demco Sliding 5th Wheel Hitch
    The BAKFlip MX4 Tonneau Cover # BAK48330 for the 2022 F-250 short bed has 4 panels. While you are using your Demco Autoslide 5th Wheel Hitch # DM8550024 you will be able to keep one panel laying flat on the bed. There are tow ways you can store the cover while towing and you can see examples of each below.
    view full answer...
    Image 1 for
  • BAKFlip Tonneau Cover that Fits 2006 Ford F-350 Long Bed
    Hey Robert, so we have a BakFlip tonneau that does fit your 2006 Ford F-350 long bed with the part # BAK26304 but the part # BAK48330 that you referenced fits short bed Ford trucks that are much newer than yours so this won't fit at all. I attached a review video for this cover for you to check out as well.
    view full answer...


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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Tyler C
Edited by:
Tyler C
Employee Jacob T
Video by:
Jacob T
Employee Dustin K
Video Edited:
Dustin K
Employee Zach D
Video Edited:
Zach D
Employee Hayden R
Installed by:
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Employee Wilson B
Updated by:
Wilson B
Employee Matthew S
Updated by:
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Employee Noah M
Updated by:
Noah M
Employee Ronnie R
Written by:
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Employee Conner L
Test Fit:
Conner L

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