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GMC Sierra

Find the ideal gmc bed cover to protect your truck. Our high-quality selection provides security for all Sierra models. These gmc truck bed covers combine rugged durability with a sleek style. They handle demanding work tasks and leisure activities easily.

19 products

[Stealth Black] SYNETICUSA® MRB Retractable PRO Tonneau Cover

Engineered for premium durability and seamless operation, this retractable cover features high-end double-walled aluminum slats with a matte black powder coat, offering superior protection.

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Black tonneau cover on a truck with 'Stealth Black Premium Edition' text.
Plus sign symbol

Power Coated

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Mounting

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Material

premium powder coated canister for SYNETICUSA AR Retractable PRO series tonneau cover

Powder-coated matte finish canister

This premium edition includes a fully powder‑coated black canister for enhanced corrosion resistance and a seamless, stealthy appearance.

Powder-coated mounting clamps with text on a dark background

Powder‑Coated Mounting Clamps

Includes black powder‑coated clamp sets with black screws for a safer, more secure installation and cohesive premium look.

Close-up of a metal product with 'Heavy-duty Stainless Steel' and 'Premium Aluminum' labels on a black background.

Superior Aluminum Construction

Built with superior aluminum components, this premium edition cover delivers long‑lasting strength, durability, and resistance to daily wear.

Parts

LED Lighting

A pack of two black tonneau cover lock replacements with keys, displayed on a white background. dimension of the set of lock

A Pair of Replacement Locks + Keys for MB / MR Retractable

$69.99

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$69.99

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Tonneau cover lock cover replacement set with SYNETIC USA logo on a white background Black rectangular case with a transparent lid on a white background

2 pcs Replacement Lock Covers for MB | MR Retractable

$17.99

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$17.99

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The image shows a pair of black aluminum end caps for a retractable tonneau cover, with foam tape and screws. The end caps are designed to be replacement parts for the cover's rails. end cap components

2 pcs Aluminum Endcap, foam tape and screws for MR | AR | ER Retractable Tonneau Cover

$19.99

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$19.99

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Black screws and bolts on a white background with a close-up of a metal surface with screws. Four black powder coat metal screws on a white background with SYNETICUSA logo.

4 pcs M8 Size, T-Slot Bolts (T-Bolts) w/ Washer Hex Nuts, Black, Stainless Steel

$21.24

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$24.99

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Black square mounting brackets on a white background Close-up of a metal bracket with screws and a textured surface

Aluminum MOLLE Mounts Panel Backer Nuts - 4 Sets

$29.74

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$34.99

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Syneticusa tonneau cover clamp replacements, consisting of six sets of clamps, suitable for MR, AR, ER retractable types. The image shows the clamps in silver and black colors with the brand logo. Syneticusa tonneau cover clamp replacements, consisting of six sets of clamps, suitable for MR, AR, ER retractable types. The image shows the clamps in silver and black colors with the brand logo.

Six Sets of L-Clamps for MR / AR / ER Retractable Stainless Steel

$59.99

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$59.99

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Four tonneau cover clamp replacement parts for MB retractable tonneau cover by SYNETICUSA on a white background. Four metallic clamps on a white background

Four Sets of C-Clamps for MB Retractable

$49.99

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$49.99

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Drain tube replacement parts with connectors and tubes on a white background, featuring the Synetic USA logo. Drain tube replacement parts with connectors and hoses on a white background, featuring the Synetic USA logo.

2 pcs Drain Tube Replacement Parts

$19.99

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$19.99

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Stopper piece for manual retractable cover with hardware components on a white background, featuring the Synetic USA logo. Black plastic block with dimensions labeled on a white background

2 pcs Plastic Stopper Block for MB / MR Retractable Tonneau Cover

$17.99

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$17.99

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A pack of 4 replacement canister panel screws, including screws, screw caps, and m6 screw square nuts, displayed on a white background with a canister panel. A pack of 4 replacement canister panel screws, including screws, screw caps, and m6 screw square nuts, displayed on a white background

Canister Panel Screws Pack Replacement for MR / AR / ER Retractable

$17.99

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$17.99

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Set of black metal brackets with bolts on a white background, shown with a vehicle roof rack. Four black metal U-bolts with accompanying bolts and washers on a white background

Extra Four Sets of Aluminum Tie Down Anchors For Ladder Rack

$50.99

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$59.99

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3pcs 60 LED truck bed light strips installed inside pickup bed

3pcs 60" LED Pickup Truck Bed Light Strips, 6000K White

$44.99

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$59.99

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55-inch LED truck bed light bar with switch and wiring harness, 6000K white illumination Interior truck bed view with installed 55-inch LED light bar providing bright white illumination, with close-up of push button switch and wiring setup for easy operation

55" LED Pickup Truck Bed Light Bar, 6000K White, Button Switch Harness

$44.99

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$59.99

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8PCS LED Truck Bed Light Kit LED illuminated Pickup truck bed

8 pcs of LED Pickup Truck Bed Light Kit Under-Glow Panel, 6000K White, w/ Switch Harness

$22.49

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$29.99

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LED tailgate light bar with clear arrow turn signal on truck LED tailgate light bar with brake flash alert to improve rear safety visibility

60" Clear Arrow LED Rigid Tailgate Light Bar w/ Reverse, Running & Turn Signal Light, Brake

$74.99

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$99.99

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Two LED light bars with a white truck displaying their use. Illustration of a vehicle's taillights in different modes: driving, braking, flashing, backing up, and sequential turn signal.

60" LED Rigid Tailgate Light Bar w/ DRL, Brake, Sequential Turn Signal Light

$67.49

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$89.99

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2PCS 60 2PCS 60

2pcs 60" LED Pickup Truck Bed Light Strips, RGB Bluetooth Remote Control

$67.49

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$89.99

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Blue Ford truck with a LED light bar in front on a white background LED trailer light bar with wiring diagram and light patterns on a black background

60" Smoke Lens Arrow LED Rigid Tailgate Light Bar w/ Reverse, Running & Turn Signal Light, Brake

$74.99

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$99.99

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Two black LED spot lights on a white background Close-up of a blue truck with a spot light on the hood during sunset.

2pcs High Power Off-Road 2.5" LED Spot Lights Driving Lights

$89.25

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$119.00

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An 8-piece LED rock light kit shown on a white background, including eight black LED units, a black controller box with wiring, a smartphone displaying a color wheel app, and four inset images showing the lights glowing in red, blue, purple, and green. Text at the top reads 'LED Rock Lights Kit 8pcs'. RGB Multicolor LED Rock Lights

8 Pcs LED Rock Light Kit Underglow RGB+White Bluetooth Control

$74.99

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$99.99

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31 inch triple row white led light bar syneticusa brand showcase of led work light bar in a dark environment

32"-52" Triple Row LED Straight Working Light Bar, Flood Spot Combo Beam, 6000K Waterproof Fog Lights

From $97.49

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$129.99

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