2012 GMC SIERRA-1500 Parts and Accessories

Transmission Pan, Deep, Aluminum, Natural, 4L60, 4L60E, Each

Part Number: BMM-70260

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/15/2025

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E/4L65E, 3200-3600 RPM stall

Part Number: HAY-97-1H32Q

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, American Thunder, Cat-back, Stainless Steel, Natural, Side/Rear Exit, Chevy, GMC, Kit

Part Number: FLO-817680

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

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Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts,Grommets ,Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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: Monday 9/15/2025

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Transmission Bracket, Steel, Natural, Chevy, 4L60E, 4L65E, 4L80E, 4L85E, Each

Part Number: BMM-75498

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Monday 9/15/2025

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts, Grommets,Gaskets, Left/Drivers Side, GM LS, Each

Part Number: SUM-440550B

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Muffler, FlowFX Series, 3.5 in. Inlet/3.5 in. Outlet, Stainless Steel, Natural, Oval Body, Each

Part Number: FLO-74151

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: BIG-91843FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, Outlaw, Cat-back, Stainless Steel, Chevy, Silverado/Sierra, 1500, 1/2 Ton, 5.3L, V8, All Crew Cab and Double Cab, 2/4 Wheel Drive, Kit

Part Number: FLO-817706

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

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Starter, Standard Rotation, Zinc/Natural, GM, LS Engines, Each

Part Number: MRG-51302ZG

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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Exhaust System, Cat-back, FlowFX, 409 Stainless Steel, 4.50 in. Black Ceramic Tips, Dual Exit, Chevrolet, GMC, 5.3L, Kit

Part Number: FLO-717822

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/15/2025

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Computer Programmer, GT Gas Tuner, Each

Part Number: BLY-40410

4.03 out of 5 stars ( 30 )

Estimated Ship Date: Monday 9/15/2025

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E, 4L65E, 2800-3200 RPM stall

Part Number: HAY-97-1H28Q

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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AFM Disabler Device, Buick, Cadillac, Chevy, GMC, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: DBL-S1000

4.74 out of 5 stars ( 57 )

Estimated Ship Date: Monday 9/15/2025

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Alignment Tool, Installs Rear Main Seal, Chevy, LS, Each

Part Number: MRG-LSRC1

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/15/2025

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Left/Drivers Side, GM LS, Each

Part Number: SUM-440550

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843-1FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Headers, BlackHeart, Shorty, 304 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, LS, Pair

Part Number: HOK-70301410RHKR

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: MRG-LSTC1

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/15/2025

Transmission Bracket, Steel, Natural, Chevy, 4L60E/4L65E/4L80E/4L85E, Each

Part Number: BMM-70499

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 11-Bolt Pattern, Chevy, LS, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-241-362

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

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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: Monday 9/15/2025

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Exhaust System, Force II, Cat-back, Single, Stainless Steel, Natural, Side Exit, Chevy, GMC, 6.2L, Kit

Part Number: FLO-817603

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

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