2012 GMC SIERRA-1500 Engines & Components

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 9/15/2025

• Free Shipping

Camshaft Kits, Stock Replacement, Cam, Lifters, Buick, Chevrolet, GMC, Pontiac, 5.3L, Each

Part Number: MEL-CL-MC1394

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Valve, Exhaust, OEM Replacement, 1.55 in. Diameter, .313 in. Stem, 4.920 in. Length, GM/Chevy, GenIII/IV LS, Each

Part Number: MEL-V1935

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

Cylinder Head Bolts, Bolts for One Head, Hex, Steel, Natural, Chevy, LS, Kit

Part Number: FEL-ES72390

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

Piston Rings, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

Rocker Arms, Shaft Mount, Steel, 1.7 Ratio, Chevy, LS, Kit

Part Number: CCA-1982-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Lifters, Short Travel XD Hydraulic Roller, Horizontal Link Bar, 0.842 in. O.D., Chevy, GMC, Small Block LS, Set of 16

Part Number: CCA-15956XD-16

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Pushrod, Steel, 5/16 in. Diameter, 7.397 in. Length, Ball Ends, Each

Part Number: MEL-MPR-614

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12557840

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Valley Pan Cover, Lifter Valley Cover, Aluminum, Black, Chevy, GMC, Cadillac, LS, Each

Part Number: ADO-12598832

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Pushrod, Steel, 5/16 in. Diameter, 7.192 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-615

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Main Bearings, AL Series, Standard Size, LS, Set of 5

Part Number: CLE-MS2199A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Camshaft Thrust Plate, Solid Type, Cast Iron, Avanti, Buick, Cadillac, Chevy, GMC, Pontiac, V8, Each

Part Number: MEL-MF127

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

Crankshaft, GM Genuine Part, 3.622 in. Stroke, Nodular Iron, Internal Balance, One-piece Rear Main Seal, Buick, Chevy, GMC, Hummer, 5.3L LS, Each

Part Number: ADO-12588614

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Cylinder Head, L92, Aluminum, Assembled, 70cc Chamber, Chevy, LS, Each

Part Number: NAL-12711770

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, 4.8, 5.3, 5.7L, Set of 5

Part Number: CLE-MS2199P10

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Cam Bearings, HP Series, Performance, Bi-Metal, Aluminum/Silicon, 0.775 in. Width, Standard Clearance, Chevy, GMC, LS Based, 4.8-6.2L, Set of 5

Part Number: KGB-CS5171HP

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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 9/15/2025

• Free Shipping

Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Kit

Part Number: DER-15748

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Lifters, Hydraulic Roller, 0.843 in. O.D., Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: SLP-HT2148A

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Rocker Arm, Intake, Offset, Ductile Iron, Natural, Chevrolet, L92, LS9, LS3, Each

Part Number: NAL-12696105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, .001 in., .025mm Extra Clearance, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HXC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Oil Pump, Wet Sump Style, Standard Volume/Pressure, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: MEL-M365

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Rod Bearings, XP-Series, .001 in. Crankshaft Undersize, Tri Metal, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN001

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025