GMC SIERRA 2500 HD Transmissions

Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• $20 Summit Bucks

Automatic Transmission Pans, Stock Style, Steel, Black, Drain Plug, Cadillac, Chevy, GMC, Workhorse, Each

Part Number: RNB-265-810

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Automatic Transmission Clutch Friction Plate Kit, 0.016 in. and 0.020 in. Thickness, 6L80, 6L90, Cadillac, Chevrolet, GMC, Set of 5

Part Number: ADO-24248008

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Flexplate, Direct Replacement, New Style without Spacer, 168-Tooth, Chevrolet, LS, Each

Part Number: PIO-FRA452

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Estimated Ship Date: Today

Specialty Components, 6L45, 6L50, 6L80, 6L90 Drop-in Pressure Regulator Valve Repair Kit

Part Number: TRG-6L8-VL-PR3

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Fluid Dipsticks, ACDelco Transmission Fluid Dipsticks, Locking, 34.050 in. Length, Chevy, GMC, Each

Part Number: ADO-15183801

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Automatic Transmission Rebuild Components, Clutch Pack Piston, 4-5-6 Gear Location, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-24232416

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Clutch Slave Cylinder, Push Type, Plastic, Black, Chevy, GMC, Each

Part Number: LUK-LSC326

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

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

Part Number: PIO-FRA-471

Not Yet Reviewed

Estimated Ship Date: Today

MASTER CYLINDER CHEVROLET, GMC 99-07

Part Number: LUK-LMC408

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Special Order

Automatic Transmission Rebuild Components, Clutch Piston, 2-6 Gear Location, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-24224169

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Automatic Transmission Bearing and Races, Master Repair Kit, Chevy, GMC, Hummer, Cadillac, Pontiac, Kit

Part Number: LUK-4620219100

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

CLUTCH MASTER CYLINDER

Part Number: SXR-SH5192

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Special Order

Automatic Transmission Bushings, Chevrolet, GMC, Isuzu, Rolls-Royce, Workhorse, 4L80E, Each

Part Number: DUR-TK-4A

Not Yet Reviewed

• Special Order

INDICATOR

Part Number: NAL-15183801

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Drop Ship
• Special Order

Clutch Slave Cylinder, Chevy, GMC, L4, V6, V8, Each

Part Number: DHB-CS650010

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Special Order

BOOT KIT,PROP SHF SLIP YOKE

Part Number: ADO-12474084

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Concentric Slave Cylinder, CSS, Replacement, Each

Part Number: SXR-SH6443WB

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Concentric Slave Cylinder, CSS, Replacement, Each

Part Number: SXR-SH6163WB

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Special Order

Clutch Slave Cylinder, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: PFT-900057

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Pan, Steel, Natural, 1000, 1000-M74, Chevy, GMC, Each

Part Number: ADO-29536524

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Flywheels, GM Genuine Parts Flywheels, 116-Tooth, Cast Iron, Chevy, GMC, Each

Part Number: ADO-12641640

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

Automatic Transmission Rebuild Components, ACDelco GM Genuine Parts Automatic Transmission Rebuild Components, Clutch Piston, Chevrolet, GMC, Each

Part Number: ADO-24202092

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Transmission Dipstick, Automatic Transmission Dipstick, INDICATOR,TRANS FLUID LVL

Part Number: ADO-15791230

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order