BUICK ROADMASTER Differential & Rear-End Components

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 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 Bearing, Tapered Roller, Steel, Stock Replacement, GM, Each

Part Number: ADO-S1420

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Carrier Bearing, Stamped Steel, 2.680 in. Diameter, Front, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: ADO-S1413

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Differential Pinion Shaft

Part Number: ADO-84565109

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
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SHIM KIT,DIFF BRG

Part Number: ADO-03995792

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
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SHIM UNIT-DIFF BRG/.096-.100/

Part Number: ADO-03853912

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
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SHIM KIT,DIFF DRV P/GR BRG

Part Number: ADO-26043991

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Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
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SPACER,DIFF DRV P/GR BRG

Part Number: ADO-12479162

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
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Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-19659-010

Not Yet Reviewed

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• $150 Summit Bucks
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GEAR KIT-DIFF RING & PINION

Part Number: ADO-23145790

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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• $20 Summit Bucks
• Special Order

Bearings

Part Number: ADO-09413427

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order