GMC SIERRA 2500 HD Transmissions

Flywheel Fasteners, GM Genuine Parts Flywheel Bolts, M11 x 1.5 Threads, 1.180 in. Underhead Length, Cadillac, Chevy, GMC, Each

Part Number: ADO-12563485

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Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
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Torque Converter, Twister Full Race, 9.600 in. Diameter, 35 Spline, 2400-2800 RPM Stall, 11.50 in. Bolt Circle, 4L80E, Each

Part Number: HAY-97-1J24F

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Separator Plate, Auto Trans Valve Body, Steel, Black, 4L80E, Chevrolet, GMC, Truck, Van, Each

Part Number: ADO-24226081

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Estimated Ship Date: Today

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Clutch Kit, Organic, Clutch, Pressure Plate, Throw-out Bearing, Hardware, Chevy, GMC, Kit

Part Number: SBB-SDDMAXDFZ

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Automatic Transmission Controller, TapShifter, Chevy, GMC, Allison 1000, Kit

Part Number: FLE-S0054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Controller, TapShifter, Chevy, GMC, Allison 1000, Kit

Part Number: FLE-S0053

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Torque Converters, Remanufactured, OEM Style, Heavy Duty, Milled Flats Hub, 6 Pad Mount, 13.5 in. Diameter, Stock Stall, Chevy, GMC, 8.1L, Each

Part Number: CCV-TQA4HD

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Estimated Ship Date: Today

• Core Charge $65.00
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Automatic Transmission Bearing and Races, Master Repair Kit, Chevy, GMC, Hummer, Cadillac, Pontiac, Kit

Part Number: LUK-4620219100

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Auto Trans Control Solenoid Valve Filter Plate

Part Number: ADO-24272468

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Valve Body Separator Plates, OE Replacement, Cadillac, Chevrolet, GMC, 6L50, 6L80, 6L90, Each

Part Number: ADO-24272467

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Clutch Kit, RXT 1200, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Chevy, Kit

Part Number: MCL-6932-04HD

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Clutch Kit, Street Twin Clutch, Two Discs, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevrolet, GMC, Kit

Part Number: MCL-6404804

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Auto Trans Clutch Pack Bearing

Part Number: ADO-24226393

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Estimated Ship Date: Jan 5, 2026 if ordered today

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CLUTCH MASTER CYLINDER

Part Number: SXR-SH5192

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Clutch Kit, Stage 2 Daily Driver, Single, 1.378 in. - 10-spline, Kevlar® Disc, Pressure Plate, Chevy, GMC, 8.1L, Kit

Part Number: SBB-K04204-HD-TZ

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Clutch Kit, Stage 1 Heavy-Duty, Single, 1.375 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 8.1L, Kit

Part Number: SBB-K04237-HD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Automatic Transmission Rebuild Components, GM Genuine Parts, Clutch Piston Dam, 4-5-6 Gear Location, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-24232417

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Estimated Ship Date: Today

• $20 Summit Bucks

Automatic Transmission Clutch Seals, ACDelco GM Genuine Parts Automatic Transmission Clutch Steel Plates, Chevy, GMC, Each

Part Number: ADO-29530315

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Transmission Bushing, Actual OD - 2.0245; Length - 0.995; Max Wall - 0.0673

Part Number: DUR-34005F

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Estimated Ship Date: Today

Clutch Kit, Stage 2, Daily Driver, Throw-out Bearing, Alignment Tool, Hardware, Chevrolet, Kit

Part Number: SBB-K04202-HD-TZ

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Estimated Ship Date: Dec 18, 2025 if ordered today

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CLUTCH KIT XTEND PLUS CSC

Part Number: SXR-K70302-01

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Estimated Ship Date: Dec 26, 2025 if ordered today

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CLUTCH KIT PLUS CSC

Part Number: SXR-K70487-01F

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Estimated Ship Date: Dec 26, 2025 if ordered today

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FLYWHEEL BOLT

Part Number: NAL-11610965

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Flexplate Bolts, 11mm x 1.50 in., 1.075 in. UHL, 12-point, for Transmission Swap, GM, LS with TH350/TH400/700R4 with Crank Flange Adapter, Set of 6

Part Number: PQX-1001284

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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FLYWHEEL SHIM .050

Part Number: PIO-FWS-28

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today