BAK

BAKFlip MX4 Tonneau Cover – 2017–2023 Ford F-250/F-350/F-450 Super Duty 8'2" Bed (Matte Black, Hard Folding Cover)

Out of stock
Regular price $1,827.00

6 Month Warranty

Design and Built in the US

100% Sick and Unique Look

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Protect your long bed Super Duty with the BAKFlip MX4, a top-rated hard folding tonneau cover built for all-season performance. Designed for 2017–2023 Ford F-250, F-350, and F-450 with an 8'2" bed, the MX4 features matte-finish aluminum panels that resist scratches, UV damage, and dents—delivering clean looks and tough protection.

Its flush-mount design maintains a low profile, while upgraded latch housings, foam core, and an integrated tailgate seal allow the cover to close with your tailgate up or down. Backed by a 5-year warranty for confidence through every job and season.

  • (1) BAKFlip MX4 Hard Folding Truck Bed Cover (Matte Finish)
  • Mounting rails and hardware
  • Integrated tailgate seal system
  • Installation instructions
  • 5-Year Manufacturer Warranty
  • Ford Super Duty F-250 / F-350 / F-450
  • Model Years: 2017–2023
  • Bed Length: 8' 2" (Long Bed)
  • Not compatible with factory bed accessories like toolboxes or side rails without modification

Frequently Asked Questions

Unfortunately, not: truck grilles aren't included with your purchase. However, all Sick Diesel lights can be retrofitted to stock truck models to ensure a more stylish and functional drive.

We offer a 6-month warranty on all Sick Diesel light bars, grill lights, accessories, gear, and products. If you’re not satisfied with your purchase, reach out to us, and we’ll get back to you in one business day or less.

Yes! We sell and distribute our products worldwide. For international purchases, Sick Diesel customers are responsible for any additional costs that may occur.

You most definitely can. Our 12-volt LED dimmer controller allows you to adjust the brightness and intensity of your lights to suit your needs. Before completing your purchase, we advise checking the "What is in the package" section of each product page to see if our LED Dimmer Controller is included with your purchase.

As a small, veteran-run operation, we’re all about supporting local businesses. All of our products are designed and custom-made right here in Sarasota, Florida, USA.

No. Smoked lenses don’t affect the color of our lights. Smoked lenses help reduce the glare emitted from traditional vehicle bulb lights, and no discoloration of lights will occur.

The plug-and-play harness connects between the headlight and the headlight harness on either side of the vehicle.

Fitment depends on the year, make, and model of your vehicle. When selecting a product, ensure you choose the exact year, make, and trim level of your truck.

Most of our lights range from 6500K to 12000K, depending on the specific year, make, and model.

Yes, all of our lights have an IP68 waterproof rating.

Ninety percent of our lights are mounted on a rigid frame and bolted into the grille with no modifications—except for the GMC 1500, where the light is attached using industrial adhesive.

For custom builds, contact nick@sickdieselgear.com.

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