BUICK Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 135 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.875 in., 12-Bolt, Each

Part Number: ETN-913A555

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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• $20 Summit Bucks

Differential, Eaton Detroit Truetrac, 33-Spline, GM 8.875 in., Each

Part Number: ETN-914A576

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3:08 and Down, Each

Part Number: ETN-911A415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Driveshafts, Assembled, Balanced, 1.969 in. Diameter, 100.00 in. Length, Buick, Cadillac, Each

Part Number: ADO-22960220

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Oversize $54.99
• $20 Summit Bucks

Torque Converter, New, Stock Usage, AF50-8, Buick, Cadillac, 3.6L, Each

Part Number: ADO-24281394

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

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• $20 Summit Bucks
• Special Order

VALVE ASM,CONT SOL (W/ BODY & TCM)

Part Number: ADO-24041960

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $100.00
• Free Shipping
• $20 Summit Bucks

CLUTCH ASM-3RD

Part Number: ADO-24276541

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Automatic Transmission Rebuild Kit, Master Racing, Red Eagle Clutches, GM, 700-R4, 19-Spline, Kit

Part Number: TCI-379005

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

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• $50 Summit Bucks
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Torque Converters, Remanufactured, Stock, Lockup Compatible, 10.430 in. Diameter, 4T80-E, Buick, Cadillac, Each

Part Number: ADO-12491371

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Core Charge $100.00
• Free Shipping
• $20 Summit Bucks
• Special Order

Auto Trans Differential Pinion Gear

Part Number: ADO-24233774

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Automatic Transmission Carrier

Part Number: ADO-24292738

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Automatic Transmission Oil Pump Assembly

Part Number: ADO-24295437

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Differential Carrier

Part Number: ADO-24293162

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Torque Converters, ACDelco Remanufactured Torque Converters, Stock Stall Speed, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-19331052

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Core Charge $100.00
• Free Shipping
• $20 Summit Bucks
• Special Order

CLUTCH,L/SLIP DIFF

Part Number: ADO-22896612

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

CARRIER ASM-RR

Part Number: ADO-24276588

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
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SUPPORT ASM-FRT DIFF TRFER DRV GR

Part Number: ADO-24275033

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

SHAFT ASM-PROP

Part Number: ADO-42761523

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Oversize $39.99
• $20 Summit Bucks
• Special Order

Auto Trans Torque Converter

Part Number: ADO-24227088

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

• Core Charge $150.00
• Free Shipping
• $20 Summit Bucks
• Special Order

CV Axle Shaft

Part Number: ADO-84628595

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order