GMC SIERRA 3500 HD | Summit Racing

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-240 GM 9.25 IFS/10.5 in. 4.10 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-240

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Extang Solid Fold 2.0 Toolbox Tonneau Covers 84455

Tonneau Cover, Solid Fold 2.0, Folding, EnduraShield, Black Matte, Chevy, GMC, 8 ft. Truck Bed Length, Each

Part Number: EXG-84455

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Fab Fours Black Steel Elite Rear Bumpers CH08-U1450-1

Fab Fours Black Steel Elite Rear Bumpers CH08-U1450-1

Bumper, Elite, Fabricated, Steel, Black Powdercoated, Chevy, Rear, Each

Part Number: FFI-CH08-U1450-1

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Dee Zee Liquid Transfer Tanks DZ 92647SB

LIQUID TRANS TANK

Part Number: DZZ-DZ92647SB

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10181-10

2003-2013 FAST 102mm Truck Intake Hardline Plate System (50-200HP) (10LB Bottle)

Part Number: NXO-00-10181-10

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

CURT A16 Fifth Wheel Trailer Hitches 16091

Hitch 2020-2020 Silverado 2500 HD 8' Bed with 5th Wheel Prep 3500 HD 8' Bed Sierra 2500 HD 8' Bed Sierra 3500 HD 8' Bed Whith Wheel Package

Part Number: CHT-16091

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

BAK BakFlip FiberMax Tonneau Covers 1126101

Tonneau Cover, BAKFlip FiberMax, Fiberglass, Folding, Black, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: BAK-1126101

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

UnderCover Elite Tonneau Covers UC1148

Tonneau Cover, Elite Series, One-piece, Black Textured, GMC, 6 1/2 ft. Bed, Each

Part Number: UCV-UC1148

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

BAK BakFlip FiberMax Tonneau Covers 1126133

Tonneau Cover, BAKFlip FiberMax, Fiberglass, Folding, Black, Chevrolet, GMC, 6.75 ft. Truck Bed Length, Each

Part Number: BAK-1126133

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Rough Country Power Running Boards PSR51523

Running Boards, Power Running Boards, Lighted, Aluminum, Black Textured Powdercoated, Chevrolet, GMC, Pair

Part Number: ROU-PSR51523

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Rough Country Suspension Leveling & Lift Kits 97670RED

3.5 Inch Knuckle Lift Kit V2 w/ Overloads Chevy/GMC 2500HD/3500HD (11-19)

Part Number: ROU-97670RED

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Rough Country Suspension Leveling & Lift Kits 97640

3.5 Inch Knuckle Lift Kit M1 w/ Overloads Chevy/GMC 2500HD/3500HD (11-19)

Part Number: ROU-97640

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

UnderCover Armor Flex Tonneau Covers AX12026

Tonneau Cover, Armor Flex, Hard Folding, Matte Black, Chevrolet, GMC, 8 ft. Truck Bed Length, Each

Part Number: UCV-AX12026

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Edge EvoHT2 Programmers 26401

Computer Programmers, EvoHT2, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: EGE-26401

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Edge Pulsar Duramax Modules 22400

4 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Edge Pulsar V3 Modules 22401

Computer Module, Pulsar V3, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: EGE-22401

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Retrax One MX Tonneau Covers 60422

Tonneau Cover, Retrax One MX, Retractable, Manual, Polycarbonate, Matte Black, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: RTX-60422

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

EBC Brakes - Brake Rotor and Pad Combos for 2020-2023 SIERRA 3500 HD, 2019-2023 SILVERADO 3500 HD - S3KR1230

DP63126 + GD7838

Part Number: EBC-S3KR1230

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

SSBC-USA B8-Barbarian Caliper Upgrade Kits CPA-22298R

Disc Brake Caliper, B8 Barbarian, Billet Aluminum, 8-Piston, Ceramic Pads Included, Red Powdercoated, Rear, Chevrolet, GMC, Kit

Part Number: TSB-CPA-22298R

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

SSBC-USA B8-Barbarian Caliper Upgrade Kits CPA-22298B

Disc Brake Caliper, B8 Barbarian, Billet Aluminum, 8-Piston, Ceramic Pads Included, Black Powdercoated, Rear, Chevrolet, GMC, Kit

Part Number: TSB-CPA-22298B

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

Spectra Premium Replacement Intercoolers 4401-1200

TURBO INTERCOOLE

Part Number: SGT-4401-1200

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Icon Vehicle Dynamics 2.5 VS PB Shocks 77727P

01-16 GM HD 6-8" REAR 2.5 VS PB PAIR

Part Number: IVD-77727P

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10106-10

Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 10 lbs. Bottle, for Use On 78mm LSX Truck Intake, Chevy, GMC, Small Block LS, Kit

Part Number: NXO-00-10106-10

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Access LoMax Stance Hard Covers G4020039

Tonneau Cover, LoMax Stance, Hard Tri-Fold, Aluminum, Black Diamond Mist Finish, 6 1/2 ft. Bed, Chevy, GMC, Each

Part Number: AGI-G4020039

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Westin Hard Tri-Fold Tonneau Covers 19-44545

Tonneau Cover, Hard Tri-Fold, 7 1/2 ft. Bed Length, Hard Cover, Black, Aluminum, Chevy, GMC, Each

Part Number: WSA-19-44545

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

FTI Performance Torque Converters SRL83380-3

LOCK-UP TORQUE CONVERTER

Part Number: FTI-SRL83380-3

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

GMC SIERRA 3500 HD Parts and Accessories