2012 GMC SIERRA-1500 Parts and Accessories

Brake Rotors, Drilled/Slotted, Iron, Zinc Dichromate Plated, Rear, Cadillac, Chevy, GMC, Pair

Part Number: SUM-BRC-66065PR

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Cam Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DFP-SS11370

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Chevy, GMC, LS, Each

Part Number: ATI-918629

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Head Gasket, MLS, Multi-Layer Steel, 4.030 in. Bore, 0.040 in. Compressed Thickness, Cadillac, Chevrolet, Pontiac, Small Block LS, Each

Part Number: CGT-C15515-040

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Oil Pump Driveshaft, Hardened, Chevy, Small Block, Each

Part Number: MEL-IS-55E

4.77 out of 5 stars ( 70 )

Estimated Ship Date: Monday 11/10/2025

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-051

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Rear Main Seal, 1 Piece, Buick, Chevy, GMC, Pontiac, Saab, LS Engine, Each

Part Number: NAL-89060436

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

Throttle Body, Drive-By-Wire, Billet Aluminum, Natural, 103mm, Chevy, LS, Each

Part Number: SUM-227110

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Timing Cover Gaskets, Victo-Tech Rubber, Chevy, GMC, Small Block LS, Kit

Part Number: MAH-JV5158

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

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Head Gasket, MLS, 3.940 in. Bore, .052 in. Compressed Thickness, Chevy, Small Block, LS1/LS6, Each

Part Number: NAL-12589226

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

Rod Bearings, A-Series, Bi Metal, Standard Size, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

Shocks and Struts, Nitro Drop 2 Shock Kits, Front and Rear, Chevy, GMC, Set of 4

Part Number: BEL-9145

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Gear Lube, 80W90, Limited Slip Additive, 3 qt., Each

Part Number: YGA-15003

4.95 out of 5 stars ( 21 )

Cannot be shipped Internationally

• Restricted

Disc Brakes, W6A, Slotted/Drilled Rotors, 6-Piston Black Calipers, Chevy, GMC, Kit

Part Number: WIL-140-9789-D

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Monday 11/10/2025

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Water Neck, Aluminum, Black Anodized, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: MRG-2670BK

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

Main Bearings, H Series, .010 in. Crankshaft Undersize, Tri Metal, Chevy, LS, Set of 5

Part Number: CLE-MS2199H10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Air Compressor System, RidePro e, 5 Gallon, 150 psi, 12 V DC, Dash Panel, Tank, Air Lines, Fittings, Wiring Harness, Kit

Part Number: ART-30154100

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Ride Height Sensor, RidePro E5, Sensor Linkage, Harness, Hardware, Kit

Part Number: ART-30400036

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Strut, Loaded, Twin Tube, Front, Chevy, GMC, Truck, Each

Part Number: SUM-SA11580

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Oil Pump, Standard Volume, Chevrolet, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: NAL-12710303

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping