Save 10% in April. Use Code APRIL10

[email protected]

Sale Ends

02 days

12 hrs

30 min

53 sec

Need help? Direct Line! +1 714-589-9992

Menu
Account

Compare Products

Select Your Vehicle

Name: BAKFlip MX4 Hard Folding Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed
Brand: UsCarCover.com
SKU: BAKTC 08458GS150020216'6"B
Price: 1349.99 USD
Availability: InStock
Rating: 4.9 (8984 reviews)

Over 120,000 Automotive and Truck Parts

Home
BAKFlip MX4 Hard Folding Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed

COVERS

Over 120,000 Automotive and Truck Parts

1349.99

BAKFlip MX4 Hard Folding Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed

Special Price $1,349.99 Regular Price $1,899.99

Availability:In stock

SKU BAKTC 08458GS150020216'6"B

Upgrade your GMC Sierra 1500 2021 6'6" Bed with the BAKFlip MX4, a premium hard-folding tonneau cover built for durability, security, and style. Featuring heavy-duty aluminum panels, a sleek matte-black finish, and a weather-resistant design, it protects your cargo from theft and the elements. The cover folds easily for full bed access and installs hassle-free with a no-drill clamp system. Backed by a 5-year warranty, the MX4 is the ultimate blend of toughness and convenience.

Brand BAK

Exterior Finish Matte Black

Warranty 5 Years

Material Lightweight Aluminum

MADE IN AMERICA YES

California Residents Prop 65 Warning

Est. Install Time 30-45 minutes

Locking Type Tailgate

Latching Mechanism Slide Lock

BAKFlip MX4 Hard Folding Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed - Tough Covers for Tough Trucks!

BAKFlip MX4 Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed offers premium protection with a sleek, low-profile design. Built with heavy-duty aluminum panels, it resists cuts and tampering, keeping your cargo secure.

Featuring BAK’s patented auto-latching system, the MX4 locks automatically for added security. EPDM rubber seals and a dual-action tailgate seal ensure all-weather protection, keeping your truck bed dry and protected.

Designed for both function and style, the MX4 sits flush with your bed rails and boasts a matte-black finish. Installation is quick and hassle-free, with easy folding for full bed access.

Available at UsCarCover, the BAKFlip MX4 is backed by a 5-year warranty for lasting confidence.

TOUGH & DURABLE – Built with heavy-duty aluminum panels and side rails for superior strength and security.
SLEEK & STYLISH – Matte black textured finish enhances your truck’s look, sitting flush with the bed rails for a seamless profile.
WEATHER-RESISTANT – Premium rubber seals and a dual-action tailgate seal provide reliable protection against moisture and the elements.
EASY OPERATION – Enhanced latch system minimizes cable wear, ensuring smooth and effortless use.

bakflip-mx4-hard-folding-tonneau-cover-full-bed-access

Full Bed Access
Folds toward the cab for 100% access, with premium rubber seals ensuring all-weather protection.

bakflip-mx4-hard-folding-tonneau-cover-upgraded-side-rails

Enhanced Side Rails
Upgraded rail and clamp system offers effortless installation, a precise fit, and increased panel strength—supporting up to 400 lbs. of evenly distributed weight.

bakflip-mx4-hard-folding-tonneau-cover-universal-prop-rod-clips

Stronger Prop Rod Clips
Newly designed clips integrate seamlessly with the rails, providing a 45% stronger assembly.

BAKFlip MX4 Hard Folding Tonneau Cover for GMC Sierra 1500 2021 6'6" Bed - Lock It, Cover It, Protect It!

Rugged & Reliable

Heavy-duty aluminum panels and rails for lasting durability.
Matte-black finish adds a sleek, understated style.

Effortless Operation

Refined latch system minimizes cable wear for smooth use.
Folds toward the cab for full bed access.

All-Weather Protection

Weather-resistant rubber seals and plastic end caps keep moisture out.
Integrated drain tubes ensure a dry cargo area.

Secure & Stable

Reinforced prop rods keep the cover firmly open.
Premium rubber bumpers prevent contact with the cab.

Easy Installation & Strength

No-drill rail and clamp system for hassle-free setup.
Supports up to 400 lbs. of evenly distributed weight.
Backed by a limited 5-year warranty.

Get ready to be impressed! The BAKFlip MX4 is built from top-notch alloy materials, featuring sturdy aluminum top panels and durable side rails. Unlike those soft-folding tonneau covers, the MX4’s tough aluminum construction is designed to withstand cuts and slashes, keeping your bed cover safe from thieves and protecting your valuables like a pro!