2012 GMC SIERRA-1500 Engines & Components

Camshaft Bearings, OE Replacement, Standard Size, 2.308 in. O.D., 0.775 in. Width, Position 3, GM, LS, 3rd Design, Each

Part Number: ADO-19260876

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Each

Part Number: HSN-2M5170S020

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Valves, Intake, Steel, 2.163 in. Diameter, .313 in. Stem, 4.872 in. Length, Each

Part Number: MEL-V3240

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170020

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Oil Pump Springs, High-Pressure, Steel, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Set of 5

Part Number: MEL-29555

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Rocker Arm Single Offset

Part Number: PQX-0236431-01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI020

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Air Conditioning Pulleys, HTD Style, Aluminum, Black, for Use with 916430M or 916430MK Hub, Chevrolet, GMC, Each

Part Number: ATI-916166

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Pressure Relief Valves, Engine Oil Pump Relief Valves, Designed for 6.0L L96 Engines, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-12608835

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.809 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978030

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Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HC-010

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Cylinder Head Pin, 0.3094 in. O.D., 0.563 in. Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-585927

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

Dowel Pin, Camshaft Dowel Pin, Each

Part Number: NAL-12554553

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rod Bearing, 0.002 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555A2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pushrod, Steel, Fits Second GM Design with Roller Cam, Chevy, Small Block, Each

Part Number: NAL-10241740

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Main Bearings, 0.010 in. Crankshaft Undersize, Bi Metal, 1/2 Groove, Chevy, GMC, Pontiac, 4.8L, 5.3L, 5.7L, 6.0L, Set of 5

Part Number: SLP-7298MA10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI040

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.820 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP040

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Belt, Poly Rib, Serpentine, 6-Rib, 93.50 in. Length, Each

Part Number: DAC-5060935

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Idler Pulley, 6-Rib Serpentine, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: DAC-89231

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Main Bearings, AL-Series, Direct Replacement Usage, 0.010 in. Crankshaft Undersize, AL-5, Buick, Chevrolet, GMC, Hummer, Pontiac, Saab, Set of 5

Part Number: CLE-MS2199A10

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Main Bearings, XP-Series, Performance, .001 Extra Clearance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XPSTDX

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Harmonic Balancer, Elastomer, Steel, Black, 7.710 in. O.D., Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Each

Part Number: NAL-19300488

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Idler Pulley, Serpentine, Steel, Black, Chevy, Buick, Acura, AM General, Chrysler, Dodge, Ford, Gmc, Honda™, Hummer, Isuzu,Jaguar, Jeep, Each

Part Number: ADO-15-20676

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Piston With Rings, Hypereutectic, Flat Top, 4.8L, 5.3L, Set of 8

Part Number: MAH-2243887WR

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Estimated Ship Date: Nov 4, 2025 if ordered today

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