2012 GMC SIERRA-1500 Engines & Components

Piston Rings, Plasma-moly, 4.075 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5292010

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Timing Cover, Distributor Conversion, Aluminum, Natural, LS GEN III, Kit

Part Number: PQX-5234600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Oil Filler Cap, Plastic, Black, Twis-In, Chevy, Buick, Cadillac, Chrysler, GMC, Saab, Each

Part Number: SNN-MO99

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Estimated Ship Date: Today

Oil Filter, Canister, Alfa Romeo, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Fiat, GMC, Hummer, Jeep, Pontiac, Ram, Suzuki, Volkswagen, Each

Part Number: MAH-OC614

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Estimated Ship Date: Today

Engine Oil Pressure Filter, Steel Screen, Chevy, Each

Part Number: RNB-917-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Tensioner Pulley, 10-Rib, Serpentine, Billet Aluminum, Natural, Chevy, GMC, LS, Each

Part Number: INW-916

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Estimated Ship Date: Today

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Automatic Belt Tensioner, 6-Rib Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: RNB-419-112

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Transmission Fluid Dipstick Components, GM Genuine Parts Dipstick Tube Grommet, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ADO-15796802

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Estimated Ship Date: Today

• $20.00 Summit Bucks

Crate Engine, Remanufactured, Long Block, Assembled, Cadillac, Chevrolet, GMC, Hummer, 6.2L/376, Each

Part Number: VRE-DC112

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Estimated Ship Date: Dec 12, 2025 if ordered today

• Core Charge $1,120.00
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Valve Cover, Valve Cover with Integral Angled Coil Mounts, Valve Cover with Integral Angled Coil Mounts, Tall, Polished Finish,Pair

Part Number: GRN-640361

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Estimated Ship Date: Dec 2, 2025 if ordered today

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CAMSHAFT BEARINGS

Part Number: CLE-SH2199S

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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Estimated Ship Date: Today

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-419-602

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Valves, Exhaust, 1.551 in. Diameter, .313 in. Stem, 4.923 in. Length, Chevy, Each

Part Number: MEL-V1935S

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Estimated Ship Date: Today

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

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Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.094 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5292030

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Valve Cover, Valve Cover with Integral Angled Coil Mounts, Valve Cover with Integral Angled Coil Mounts, Tall, Cast Finish,Pair

Part Number: GRN-640360

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Engine Camshaft, High Performance Camshaft

Part Number: MEL-22307

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Estimated Ship Date: Today

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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: Feb 3, 2026 if ordered today

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Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Crate Engine, Remanufactured, Long Block, Assembled, Chevrolet, GMC, Workhorse, 4.8L/294, Each

Part Number: VRE-DCRE

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Core Charge $445.00
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Engine Oil Dipstick Tube, Steel, Black, Cadillac, Chevy, GMC, Hummer, Workhorse, Each

Part Number: RNB-917-433

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Estimated Ship Date: Today

Camshaft Thrust Bearing, Needle Bearing, Steel, Chevy, LS, Each

Part Number: CLO-9-232

Not Yet Reviewed

Estimated Ship Date: Today

BRACKET STEETING/GENERATOR

Part Number: NAL-12554030

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Oil Filter, XP, 18mm x 1.5 Thread, 3.404 in. Height, Each

Part Number: WIX-51040XP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today