2012 GMC SIERRA-1500 Parts and Accessories

Rear Main Seal Housing, LS Engine Crankshaft Rear Seal Housing, Aluminum, Includes Seal and Gasket, Will not fit LSX, Each

Part Number: ADO-12639250

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks

Head Gasket, MLS, 4.080 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, LS3/L92, Each

Part Number: NAL-12610046

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Tuesday 9/2/2025

Rod Bearings, XP-Series, Tri-Metal, Standard Size, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

Tie Rod End, Straight, Female, Greasable, Lifted Models, Chevy, GMC, Each

Part Number: MMC-50704

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Tuesday 9/2/2025

Shock/Strut, Twin-tube, Street Performance, Rear, Chevy, GMC, Pickup, Each

Part Number: BEL-2212FF

4.71 out of 5 stars ( 28 )

Estimated Ship Date: Tuesday 9/2/2025

Transmission Oil Cooler, Plate, Natural, 11 in. x 11.625 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-679

4.73 out of 5 stars ( 67 )

Estimated Ship Date: Tuesday 9/2/2025

Shock, Nitro Drop 2, Twin Tube, Rear, Chevy, GMC, Pickup, RWD, 4-8 in. Drop, Each

Part Number: BEL-8510

4.7 out of 5 stars ( 33 )

Estimated Ship Date: Tuesday 9/2/2025

Ignition Coil, Coil Pack, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12699382

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks

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

Part Number: MAH-41859CP

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tuesday 9/2/2025

Rod Bearings, Race Series, Tri-Metal, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663H-STD

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Shocks and Struts, Street Performance Shocks, Lowered Ride Height, 5.00-7.00 in. Lowered Range, Twin-tube, Gas-charged, Rear, Chevrolet, GMC, Each

Part Number: BEL-2210FF

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Tuesday 9/2/2025

Head Gasket, MLS, 4.020 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, LS2/LS6, Each

Part Number: NAL-12589227

4.8 out of 5 stars ( 20 )

Estimated Ship Date: Tuesday 9/2/2025

Shackles, 2 in. Drop, 2.5 in. Wide Spring, Chevy, Dodge, Ford, GMC, Rear, Pair

Part Number: BEL-6400

4.84 out of 5 stars ( 89 )

Estimated Ship Date: Tuesday 9/2/2025

Spark Plug Wires, Max-Fire Ultra-Spark 50, Spiral Core, 50 ohms, 8.5mm, Red, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Trucks, Small Block LS, Set

Part Number: EDL-22716

4.97 out of 5 stars ( 32 )

Estimated Ship Date: Tuesday 9/2/2025

Main Bearings, MA-Series, Bi Metal, Standard Size, Chevy, 4.8, 5.3, 5,7, 6.0L, Set of 5

Part Number: SLP-7298MA

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

Oil Pan Gasket, One-piece, Silicone/Aluminum, Chevy, Small Block LS, Each

Part Number: ADO-12612350

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks

Leaf Spring Hanger, Front Position of Rear Leaf Spring, Steel, Natural, Chevy, GMC, Each

Part Number: RBF-RB7337

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit

Part Number: RNB-635-518

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Tuesday 9/2/2025

Rod Bearings, Tri-metal, Copper Lead Nickel, .001 in. Extra Oil Clearance, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPNSTDX

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

Harmonic Balancer, OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, 4.8, 5.3, 6.0, 6.2L

Part Number: PBB-PB1190N

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

Stands, Rocker Arms, Chevy, LS, Kit

Part Number: NAL-12600936

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

Ignition Coil Wiring Harness, Chevy, LS, Each

Part Number: ADO-357A

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks