2012 GMC SIERRA-1500 Parts and Accessories

Starter Bolts, Steel, Zinc, Long Bolts, Chevrolet, LS, Pair

Part Number: MRG-60941MRG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Transmission Pan, Stock, Steel, EDP Coated Black, GM 700R4, 4L60, 4L60E, Each

Part Number: MRG-9767BMRG

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

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: Monday 9/15/2025

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Monitor, Trinity 2 MX Performance, Monitor Only, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Hummer, Isuzu, Jeep, Mazda, Pontiac, Ram, Each

Part Number: DBL-9050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Black Anodized, 11-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-241-265

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: MBR-S5054AL

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 9/15/2025

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Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

Exhaust System, Installer Series, Cat-Back, Steel, Split Rear Exit, Aluminized, Polished Tip, Chevy/GMC, Pickup, Kit

Part Number: MBR-S5058AL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-53072

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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Computer Chips and Modules, Auto Start/Stop Disabler, Blue LED, RPO Code KL9, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: RET-RA005B

4.54 out of 5 stars ( 24 )

Estimated Ship Date: Monday 9/15/2025

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Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/15/2025

Computer Programmer, SCT Livewire Vision Performance Monitor, Hand-held, Each

Part Number: SCL-5015PWD

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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

Part Number: BAE-2302023

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, Force II, Cat-Back, Stainless Steel, Polished Tips, Chevy, GMC, 5.3L, Kit

Part Number: FLO-817492

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

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Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair

Part Number: BIG-11142FLT

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Timing Cover Installation Tool, Crankshaft Seal Position, Chevy, Each

Part Number: MRG-LSTC2

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

Flexplate, Performance, Neutral Balance,153 Tooth, Chevy, V8, Each

Part Number: HAY-10-012

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 11-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-241-263

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Nitrous Plate, OEM Injection Plate, Black, Wet, 0.500 in. Thick, GM, LS Throttle Body, Kit

Part Number: NOS-13437NOS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L80-E, NV3500, Chevy, GMC, Each

Part Number: HAY-97-1H32F

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

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Floor Mats, WeatherBeater, Front/Second Seat Area, Rubberized, Thermoplastic, Black, Set of 3

Part Number: HUS-98211

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

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Computer Chips and Modules, AFM Plus V4 Fuel Economy Module, V4 Mode Increase Optimzer, Cadillac, Chevrolet, GMC, Each

Part Number: RET-RA002

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Running Boards, 5 in. Tread Step, OEM-Style Aluminum, Black, Textured, Crew Cab, Chevy, GMC, Pair

Part Number: RPT-2201-0185BT

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Torque Converters, Twister 3/4 Race, 9.600 in. Dia., with Lockup, 30-Spline, 11.125 in. bolt pattern, 2,400-2,800 rpm Stall, 4L60-E, 4L65-E, Each

Part Number: HAY-97-1H24Q

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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