2012 GMC SIERRA-1500 Parts and Accessories

Radiator, Performance, Crossflow, Upper Left Inlet/Lower Right Outlet, 34 in. x 17 in. x 2 in. Core, Aluminum, Cadillac, Chevy, GMC, Hummer, Each

Part Number: MIO-MMRAD-GMT-99

4.57 out of 5 stars ( 21 )

Estimated Ship Date: Today

• Free Shipping

Control Arms, Tubular, Steel, Black, Front Upper, Front Lower, Adjustable, Chevrolet, GMC, Set

Part Number: IHC-S0005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Suspension Lowering Kit, Spindle, Flip Kit, Chevy, GMC, 3-5 in. Front, 5-7 in. Rear, RWD, Kit

Part Number: MMC-34070

4.34 out of 5 stars ( 38 )

Estimated Ship Date: Today

• Free Shipping

Exhaust System, Cat-back, FlowFX, 409 Stainless Steel, Single Passenger Side Exit, Black Ceramic Tip, Chevrolet, GMC, Kit

Part Number: FLO-717885

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: MPE-51578

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

×

Lowering Kit, 2 in. Front, 4 in. Rear, Chevy, GMC, Pickup, RWD/4WD, Kit

Part Number: MMC-34000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Leaf Springs, Split Mono-Leaf Springs, Stock Ride Height, Black, Polyurethane Bushings, Rear, Chevrolet, GMC, Pair

Part Number: CLV-340-46

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Brake Rotor, Big Claw, Cross-Drilled, Slotted, Iron, Zinc Plated, Front, Chevy, GMC, Pickup, SUV, Pair

Part Number: BAE-2301049

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Leaf Springs, Split Mono-Leaf, Racing, 1.00 in. Lowered Ride Height, Chevrolet, GMC, 1500, Pair

Part Number: CLV-340-44

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy, GMC, Pickup, Kit

Part Number: MBR-S5054409

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy, GMC, Kit

Part Number: MBR-S5081409

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, 2009-13 Chevy Avalanche, 2009-13 Chevy GMC Silverado/Sierra 1500 8 cyl., 4.8L and 5.3L Engine, Each

Part Number: CTO-9912

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Disc Brake Pad and Rotor Kit

Part Number: EBC-S20K1208

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Exhaust System, Cat-back, FlowFX, 409 Stainless Steel, Single Exit, Chevrolet, GMC, Kit

Part Number: FLO-717874

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

COILOVER KIT; 07-18 Chevrolet Silverado/Sierra 1500 (All Cabs) TP Leveling Coilover 0"-2"

Part Number: BEL-15102

Not Yet Reviewed

Estimated Ship Date: Nov 7, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Step Bars, Nerf Bars, Premier Series, Stainless Steel, Polished, Requires Separate Mounting Kit, Pair

Part Number: WSA-22-6020

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Step Bars, Nerf Bars, HDX Drop Steps, Steel, Black Textured, Chevy, GMC, Pair

Part Number: WSA-56-13715

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Truck Cab Protector/Headache Rack

Part Number: DZZ-DZ95090TB

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust System, American Thunder, Cat-back, Single In/Dual Out, Stainless Steel, Natural, Split Rear/Split Side Exit, Chevy, GMC, 6.2L, Kit

Part Number: FLO-817602

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Tonneau Cover, Soft Roll-up, Vinyl, Black, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: MNA-8RC2286

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Step Bars, Nerf Bars, Platinum Series, Oval, Stainless Steel, Polished, 4 in. Diameter, Chevy, GMC, Pair

Part Number: WSA-21-1680

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

U134 22X9 6X5.5 SLV-BRS-MIL-DCL 25MM

Part Number: USM-S0146

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust System, Installer Series, Cat-Back, Steel, Passenger Side Exit, Aluminized, Polished Tip, Chevy, GMC, Kit

Part Number: MBR-S5081AL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Exhaust System, Cat-Back, Single In/Dual Out, Stainless Steel, Natural, Split Rear Exit, Chevy, GMC, 4.8L, 5.3L, Kit

Part Number: ROU-96008

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Liquid Transfer Tank, Front of Truck Bed Location, 55 gallons, Aluminum, Polished, for Nissan, Chevy, Dodge, Ford, GMC, Isuzu, Jeep, Ram, Toyota, Each

Part Number: DZZ-DZ91750

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order