2012 GMC SIERRA-1500 Parts and Accessories

Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24157

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Flip Kit, Rear Lowering, Steel, Black Powdercoated, Chevrolet, GMC, Kit

Part Number: IHC-S0078

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Automatic Transmission Clutch Housing, 6L80, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24259848

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Control Arms, SST Tubular, Lifted/Leveling, Steel, Black Powdercoated, Front Upper, Chevrolet, GMC, Pair

Part Number: RLS-67-32850

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wheels, American Muscle 142 Legend 5 Series Chrome, Aluminum, 20 in. x 9.00 in., 6 x 5.50 in. Bolt Circle, 6.050 in. Backspacing, Each

Part Number: VSW-142-2983C20

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Fuel Injection Spider System, Chevy, 4.3L, VIN Code W, Each

Part Number: SMP-FJ503

4.86 out of 5 stars ( 63 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Michelin Defender LTX M/S 2 265/70-17, Radial, Outlined White, T Speed Rating, Each

Part Number: MHL-21308

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Oversize $10.99
• Mfr. Rebate

Rebate Expires: 12/9/2025

Get $80 back after REBATE on a set of 4 Michelin Tires! For redemption details visit: www.tirerewardcenter.com ...Read More

Get $80 back after rebate when you purchase a set of FOUR Michelin passenger or light truck tires! Visit www.tirerewardcenter.com for complete rebate details. Valid on purchases made between 9/24/25 and 12/9/25. Redeem by 1/9/26. Allow 4-6 weeks for delivery. Limit of one (1) redemption request per purchase of four (4) new tires. Offer valid for residents of the United States, D.C. and Puerto Rico. Show Less

×

Sway Bar, Rear, Gray Hammertone, Chromoly Steel, 1 1/8 in. Diameter, Chevy, GMC, Pickup, Kit

Part Number: HEL-7800

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Flex Fuel Conversion Kits, PROFLEX Direct, Chevy, GMC, Pontiac, LS, E85, Kit

Part Number: AFD-PFD-GMLS-1

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Transmission Bellhousing, New, Aluminum, 4L60E, 4L65E, 4L70E, Each

Part Number: ADO-24206953

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Computer Programmer, X4 Power Flash, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: SCL-7416

3.6 out of 5 stars ( 20 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Springs, Helper, Rear, Black, Chevy, GMC, Kit

Part Number: TBI-GMRCK15S

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $20.00 Summit Bucks

Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8

Part Number: SLP-H1506CPA50MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Ring and Pinion Installation Kit, Master Kit, GM 9.5, 30-Spline Pinion, Kit

Part Number: MGR-R9-5GRLMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Suspension Lowering Kit, Adjustable Flip Kits, Front Shocks, Rear Shocks, 4 in. Rear, Chevy, GMC, Kit

Part Number: MXT-201340

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

COMBAT 20X9 6X139.7 +0 Machine With Clear Coat 106.2 2500LBS

Part Number: LKW-S0241

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair

Part Number: DOU-D3373-B

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Computer Programmer, GM Flashcal Tuner, Chevy, GMC, Each

Part Number: SRC-2545

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Catalytic Converter, Direct Fit, Stainless Steel, Ceramic, Chevrolet, GMC, Each

Part Number: WLK-50490

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• Oversize $54.99
• $20.00 Summit Bucks

Air Springs, Load Lifter 5000, Rear, Chevy, GMC, Silverado, Sierra, Short Bed Only, Kit

Part Number: AIR-57204

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Fuel Pump Voltage Booster, PowerMax FuelMax, Wiring, Cadillac, Chevy, Chrysler, Dodge, Ford, Mitsubishi, Kit

Part Number: JMS-P2000GM

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wheel, AR172 Baja, Aluminum, Polished, 17 in. x 8 in., 6 x 5.50 in. Bolt Circle, 4.50 in. Backspace, Each

Part Number: ARE-AR1727883

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Step Bars, Nerf Bars, Round Side, Stainless Steel, Polished, 3.00 in. Diameter, for use on Honda®, Chevy, Dodge, Ford, GMC, Mitsubishi, Toyota, Pair

Part Number: DZZ-DZ3700303

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping