OLDSMOBILE Differential & Rear-End Components

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: Monday 11/17/2025

• Free Shipping
• $75.00 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: Monday 11/17/2025

• Free Shipping
• $75.00 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: Monday 11/17/2025

• Free Shipping
• $75.00 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: Monday 11/17/2025

• Free Shipping
• $20.00 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: Monday 11/17/2025

• Free Shipping
• $75.00 Summit Bucks

Differential Carrier Clutches, OE, Composite Clutch Pack, Rear, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: ADO-12524505

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• Free Shipping
• $20.00 Summit Bucks

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

Part Number: ADO-S1420

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks

Differential Clutches, GM 8.6, Eaton Positraction, Kit

Part Number: ADO-12471404

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Differential Cover, Steel, Natural, Chevrolet, GMC, Isuzu, Truck, Kit

Part Number: ADO-12479377

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks

Ring and Pinion Gears, ACDelco Ring and Pinion Gears, GM 8.5 in. Differential, 10 Bolt, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-23145791

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• Free Shipping
• $20.00 Summit Bucks
• Special Order

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: Monday 11/17/2025

• $20.00 Summit Bucks

Differential Pinion Shaft

Part Number: ADO-84565109

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

VENT,R/AXL

Part Number: ADO-15743069

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SPACER,DIFF DRV P/GR BRG

Part Number: ADO-09785792

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks

CONNECTOR,R/AXL VENT HOSE

Part Number: ADO-26062696

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHAFT,DIFF P/GR

Part Number: ADO-12479026

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

PLUG,R/AXL HSG DRN

Part Number: ADO-12471479

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHIM KIT,DIFF BRG

Part Number: ADO-12471368

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GUIDE,LKG DIFF CLU DISC

Part Number: ADO-12471533

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Oil Fill Plug, Cadillac, Buick, Chevrolet, Each

Part Number: ADO-12471620

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

CAM,LKG DIFF

Part Number: ADO-12471406

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SPACER,DIFF BRG

Part Number: ADO-12471330

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHIM KIT,DIFF BRG

Part Number: ADO-12471362

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHAFT-DIFF PINION

Part Number: ADO-14039589

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

SHIM,DIFF SI GR

Part Number: ADO-14063581

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order