2012 GMC SIERRA-1500 Parts and Accessories

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900411

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

Battery, Performance Series, Dry Cell, 12 V, Deep Cycle/Starting, 723 Cold Cranking Amps, Top Post, Each

Part Number: ODY-48-720

5.0 out of 5 stars ( 14 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

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: Tomorrow

Rod Bearing, Standard Size, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8, Each

Part Number: SLP-2555CP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

FLUID, A/TRANS ACDELCO DEXRON VI, (GAL. TRUCKLOAD)

Part Number: ADO-10-9244

5.0 out of 5 stars ( 4 )

Cannot be shipped Internationally

• Restricted
• $20.00 Summit Bucks

Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$75.00 Mail-In Rebate

Price after Manufacturer Rebate: $518.79

Rebate Expires: 9/30/2025

Get $75 back after rebate on this JBA Header! For more information go to: https://pertronixbrands.com/blogs/rebates ...Read More

Get $75 back after rebate on qualifying JBA Headers! Go to https://pertronixbrands.com/blogs/rebates for a complete list of products and to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked by 10/31/25. Limit one rebate per household. Allow 3-4 weeks for processing. Rebate for end consumer only. Valid in the USA, Canada and Puerto Rico. Show Less

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Computer Programmer, inTune i3, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DBL-8200

4.39 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Wheel, CV98B Snowflake, Aluminum, Chrome, 20 x 9 in., 6 x 5.50 in. Bolt Pattern, 6.060 in. Backspace, Each

Part Number: OWH-9510086

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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: Tomorrow

Antifreeze, Dex-Cool, Concentrate, 1 Gallon, Each

Part Number: ADO-10-101

4.86 out of 5 stars ( 7 )

Cannot be shipped Internationally

• Restricted
• $20.00 Summit Bucks

Transmission Bellhousing, New, Aluminum, 6L80, 6L90, Each

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping
• $20.00 Summit Bucks

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: Tomorrow

Thermostat, 160 Degrees Opening Temp Rating, Copper/Steel, Gaskets, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: LPE-L310065307

4.31 out of 5 stars ( 49 )

Estimated Ship Date: Tomorrow

Cylinder Head Fasteners, Original Head Bolt Kits, Hex, Steel, Zinc Plated, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MAH-GS33449

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Wheel, CV34B Trail Boss, Aluminum, Gloss Black, 18 x 8.5 in., 6 x 6.50 in. Bolt Pattern, 5.770 in., Each

Part Number: OWH-9510943

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

Spark Plug, Professional, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-993

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L60E, Each

Part Number: LOK-TD34L60EFM

4.71 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Brake Rotors/Pads, Truck and Tow, Drilled/Slotted, Iron, Zinc Plated, Rear, Cadillac, Chevy, GMC, Kit

Part Number: PWR-K2083-36

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, 7.710 in. Diameter, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-19300488

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

• Free Shipping
• $20.00 Summit Bucks

Traction Bar, CalTrac, Steel, Black Powdercoated, Chevrolet, GMC, Kit

Part Number: CLV-3400

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Shock, Twin-Tube, Rear, 4-7 in. Drop, Chevy, GMC, Each

Part Number: MMC-2050

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow