BUICK 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

• Free Shipping
• $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

• Free Shipping
• $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

• Free Shipping
• $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

• Free Shipping
• $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

• Free Shipping
• $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

• Free Shipping
• $20 Summit Bucks

CARRIER ASM-DIFF

Part Number: ADO-42769813

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

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

Part Number: ADO-12524505

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

CLUTCH ASM DIFF

Part Number: ADO-85632233

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

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

• Free Shipping
• $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

• Free Shipping
• $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

Plug Fitting, GM Genuine Parts Multi-Purpose Threaded Plug, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-19256068

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Differential Clutches, GM 8.6, Eaton Positraction, Kit

Part Number: ADO-12471404

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

DIFFERENTIAL ASM

Part Number: ADO-42550050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

DIFFERENTIAL ASM

Part Number: ADO-42550054

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 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: Today

• $20 Summit Bucks

Axle Shafts, GM Genuine Parts Intermediate Axle Shafts, Steel, Front, Buick, Chevrolet, GMC, Saturn, Each

Part Number: ADO-20899365

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 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 18, 2025 if ordered today

• Free Shipping
• $20 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: Today

• $20 Summit Bucks

Axle Shafts, Direct Fit, ACDelco GM Genuine Parts CV Drive Axles, 41.75 in. Length, Front Right, Buick, Chevy, Each

Part Number: ADO-84576601

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $20 Summit Bucks

Axle Shafts, Direct Fit, ACDelco GM Genuine Parts CV Axle Shafts, 23.19 in. Length, Front Left, Buick, Chevy, Each

Part Number: ADO-84283521

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Axle Shafts, GM Genuine Parts Intermediate Axle Shafts, 18.00 in. Length, Front, Buick, Chevrolet, Each

Part Number: ADO-13400098

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks
• Special Order

Axle Shaft, C-Clip, GM, Each

Part Number: ADO-22952049

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Differential Pinion Shaft

Part Number: ADO-84565109

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order