GMC SIERRA 2500 HD Transmissions

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

Part Number: MCL-6405504

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Transmission Pan Gasket, Silicone/Metal, 6L90, Each

Part Number: ADO-24226850

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• $20 Summit Bucks

Automatic Transmission Pan 6L90 Brushed

Part Number: PPE-128051910

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Flexplate, Replacement, 168-Tooth, Steel, Internal Engine Balance, Chevy, Small Block LS, Each

Part Number: ATP-Z269

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Automatic Transmission Shift Shaft Seals, OEM-style, Steel/Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-8657163

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• $20 Summit Bucks

Flexplate, 168-tooth, Steel, Internal Balance, Chevy, Small Block LS, Each

Part Number: PIO-FRA-471

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Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Kit

Part Number: SUM-G19013

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Automatic Transmission Pan Magnet, THM125C, THM440, 4T60, ME9, TH400, 4l80, Buick, Cadillac, Chevrolet, Each

Part Number: ADO-24239049

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• $20 Summit Bucks

Clutch Kit, Dyna Max Ceramic, Single, 1.375 in. - 10-spline, Ceramic/Kevlar® Disc, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SDM0105DFK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Throwout Bearing, Hydraulic Clutch Release Bearing, Standard Type/Style, Chevrolet, Dodge, Ford, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: LUK-MC1184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kit, Organic, 1.375 in. Shaft, 10-Spline, 11 11/16 in. Diameter Disc, Chevy, GMC, 8.1L, Kit

Part Number: ZZZ-MU72119-1

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Automatic Transmission Pan, Heavy Duty, for GM 6L90, with Magnetic Drain Plug, Filter, Gasket, Hardware, A356.0-T6 Cast Aluminum, Natural, Each

Part Number: PPE-128051900

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Separator Plate, Auto Trans Valve Body, Steel, Black/Brown, Cadillac, Chevrolet, GMC, Hummer, Car, Truck, 6L50, 6L80, 6L90, Each

Part Number: ADO-24245720

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• $20 Summit Bucks

Transmission Vent Tubes, ACDelco GM Genuine Parts Transmission Vent Tubes, Steel, Silver, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-24200374

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• $20 Summit Bucks

FLEXPLATE ASSEMBLY

Part Number: PIO-FRA-471HD

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Automatic Transmission Torque Converter Housing Plug, 4L60, 8L45, 6L50, Buick, Cadillac, Each

Part Number: ADO-24205900

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• $20 Summit Bucks

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Transmission, GM 6L90 4WD 6-Spd

Part Number: VRE-8221A-JMBF

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $1,095.00
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Clutch Kit, Dyna Max Street Dual Disc, 10-spline, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SDDMAXDFY

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Transmission Cooler Line Gaskets and Seals, Aluminum/Rubber, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: ADO-15251488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Manual Transmission Case, Manual Transmission Case

Part Number: SPZ-ZMNV23165

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Transmission Filter, Direct Fit, Chevy, GMC, Allison 1000, Sump Filter. Kit

Part Number: SUM-G19014F

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Clutch Fluid Seals, 6L80, 6L90, Cadillac, Chevrolet, GMC, Pontiac, Kit

Part Number: ADO-24248559

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• $20 Summit Bucks

Clutch Kit, Dual Friction, 1 1/8 in.-10 Spline, 12.0 in. Disc, Chevy, GMC, 6.0L, Kit

Part Number: CTF-DF240010

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, GMC, Each

Part Number: AFE-46-70242

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Estimated Ship Date: Today

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