2012 GMC SIERRA-1500 Parts and Accessories

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Today

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Helper Spring, EZ-990, Black Powdercoated, Chevy, GMC, Pickup, Kit

Part Number: HEL-987

4.44 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Tires, Pilot Sport 4 SUV, 285/45-22, Blackwall, 2601 Max Load, 114 Load Index, Y Speed Rating, Each

Part Number: MHL-12706

Not Yet Reviewed

Estimated Ship Date: Today

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• Mfr. Rebate

Rebate Expires: 12/9/2025

Get $80 back after REBATE on a set of 4 Michelin Tires! For redemption details visit: www.tirerewardcenter.com ...Read More

Get $80 back after rebate when you purchase a set of FOUR Michelin passenger or light truck tires! Visit www.tirerewardcenter.com for complete rebate details. Valid on purchases made between 9/24/25 and 12/9/25. Redeem by 1/9/26. Allow 4-6 weeks for delivery. Limit of one (1) redemption request per purchase of four (4) new tires. Offer valid for residents of the United States, D.C. and Puerto Rico. Show Less

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Differential Cover, Ram-Air, Black Ops, Chevy, GMC, Ram, AAM 11.5/11.8 ring gear, 14-Bolt rear axle, Each

Part Number: GBE-19269

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Catalytic Converter, Direct Fit, Stainless Steel, Ceramic, Chevrolet, GMC, Each

Part Number: WLK-50490

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Oversize $54.99

Carburetor, Quadrajet, 800 cfm Dry Flow, 4-Barrel, Electric Choke, Spread Bore, Single Inlet, C Style Linkage, Each

Part Number: PQX-4245431

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Wheel, 586 Series, OE Replica, 20 in. x 9 in., Aluminum, Chrome, 6 x 5.5 in. Bolt Circle, 6.26 in. Backspace, Each

Part Number: RWG-586C-2908332

Not Yet Reviewed

Estimated Ship Date: Today

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Fuel Injection Spider System, Chevy, 4.3L, VIN Code W, Each

Part Number: SMP-FJ503

4.86 out of 5 stars ( 63 )

Estimated Ship Date: Today

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Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Red Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, Hummer, Pontiac, V8, Set

Part Number: GRN-28-1629-HTR

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Air Compressor, Heavy Duty, Load Controller I System, 12 V DC, 10 amps, Dash Panel, Wiring Harness, Kit

Part Number: AIR-25854

4.61 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Wheels, American Muscle 142 Legend 5 Series Chrome, Aluminum, 20 in. x 9.00 in., 6 x 5.50 in. Bolt Circle, 6.050 in. Backspacing, Each

Part Number: VSW-142-2983C20

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.25 in., IFS Front, Set

Part Number: MGR-GM10-456IFS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1506CPA75MM

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tires, Open Country A/T III, P 265/70-17, Radial, Blackwall, T Speed Rating, 115 Load Index, Each

Part Number: TYT-356260

Not Yet Reviewed

Estimated Ship Date: Today

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Computer Programmer, GM Flashcal Tuner, Chevy, GMC, Each

Part Number: SRC-2545

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Alternator, High-Amp, 1-Wire, 245 amp, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550-1

Not Yet Reviewed

Estimated Ship Date: Today

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Shock Absorber, B8 5160 Series, Rear, 0-2.0 in. Lift, Chevrolet, GMC, Each

Part Number: BSN-25-311297

Not Yet Reviewed

Estimated Ship Date: Today

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Air Intake, 57 Series FIPK, Polyethylene Tube, Black, Cotton Gauze Filter, Oiled, Red, with Clamps, Cadillac, Chevy, GMC, 4.8L, 5.3L, 6.2L, Kit

Part Number: KNN-57-3070

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Springs, Helper, Rear, Black, Chevy, GMC, Kit

Part Number: TBI-GMRCK15S

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

INSIGHT CS2 MONITOR

Part Number: EGE-84030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Michelin Defender LTX M/S 2 275/55-20, Radial, 20 in, Wheel Diameter, All Season, T Speed, Black Wall, Each

Part Number: MHL-04085

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

Rebate Expires: 12/9/2025

Get $80 back after REBATE on a set of 4 Michelin Tires! For redemption details visit: www.tirerewardcenter.com ...Read More

Get $80 back after rebate when you purchase a set of FOUR Michelin passenger or light truck tires! Visit www.tirerewardcenter.com for complete rebate details. Valid on purchases made between 9/24/25 and 12/9/25. Redeem by 1/9/26. Allow 4-6 weeks for delivery. Limit of one (1) redemption request per purchase of four (4) new tires. Offer valid for residents of the United States, D.C. and Puerto Rico. Show Less

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Brake Rotors and Ceramic Pads, 1-Click, Drilled/Slotted, Front/Rear Disc Brakes, Cadillac, Chevy, GMC, Kit

Part Number: PWR-K2070

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

Shocks, Nitro Drop 2, Twin Tube, Gas Charged, Chevy, GMC, Set of 4

Part Number: BEL-9130

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping