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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Individual Parts

Results 1 - 23 of 23

Ring and Pinion Gears, 4.88:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: YGA-24226

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Automatic Transmission Extension Housing, Aluminum, Chevy, Pontiac, Each

Part Number: ADO-24226788

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Accumulator, 4L60, 4L65, 4L70, Buick, Chevrolet, Cadillac, GMC, Each

Part Number: ADO-24226359

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: ADO-24226850

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Pan, Steel, Natural, 6L90, Chevy, GMC, Each

Part Number: ADO-24226851

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Case Plug, Fluid Filler Tube Plug, Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, Each

Part Number: ADO-24226020

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: ADO-24226081

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Auto Trans Clutch Pack Bearing

Part Number: ADO-24226393

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Estimated Ship Date: Sep 5, 2025 if ordered today

Auto Trans Oil Pump Seal

Part Number: ADO-24226315

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Auto Trans Parking Pawl Shaft

Part Number: ADO-24226667

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Automatic Transmission Pump, Rotary, Cast Aluminum, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ADO-24226042

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Auto Trans Input Clutch Housing

Part Number: ADO-24226043

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Valve Body Separator Plates, OE Replacement, Chevrolet, GMC, 4L85E, Each

Part Number: ADO-24226217

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

RING-3-5-REV CLU APPLY

Part Number: ADO-24226735

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Auto Trans Park Pawl Actuator Guide Pin

Part Number: ADO-24226102

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

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Estimated Ship Date: Sep 5, 2025 if ordered today

BODY ASM-C/VLV UPR

Part Number: NAL-24226709

Not Yet Reviewed

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Auto Trans Oil Pump Seal

Part Number: NAL-24226315

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Auto Trans Valve Body

Part Number: ADO-24226709

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

PLATE,C/VLV CHAN UPR

Part Number: ADO-24226373

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Auto Trans Output Carrier Sun Gear

Part Number: ADO-24226738

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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Estimated Ship Date: Sep 4, 2025 if ordered today

Auto Trans Extension Housing

Part Number: ADO-24226703

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Auto Trans Clutch Hub

Part Number: ADO-24226723

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Auto Trans Valve Body

Part Number: ADO-24226260

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

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