GMC SIERRA 1500 HD CLASSIC Differential & Rear-End Components

Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 4/20/2026 if shipped by air

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Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.56:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0084

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.10:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0082

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Differential, Eaton Detroit Locker, 33-Spline, GM, 9.5 in., 14-Bolt, Each

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Ring and Pinion Gears, EXCel, GM 8.25 in., IFS, 4.10:1 Ratio, 30-spline, Reverse Rotation, Front, GM 8.25 in., IFS, Cadillac, Chevrolet, GMC, Set

Part Number: RMG-GM825410

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion Installation Kit, Master Kit, GM 8.5 in.; Incl. Bearing Kit Plus Ring Gear Bolts/Pinion Shi

Part Number: MGR-R10RLMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.6 in., GM 8.875 in., Kit

Part Number: YGA-57010

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion Installation Kit, Master Kit, GM 8.25 in., IFS, Kit

Part Number: MGR-R82RIFSLMKT

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Differential Cover, 14-bolt, Steel, Natural, GM 9.5 in., Each

Part Number: YGA-32333

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ring & Pinion Gear, 4.56 Ratio, GM, 9.5 in., 14-Bolt, Rear, Set

Part Number: YGA-24168

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion Installation Kit, Master Kit, GM 9.5, 30-Spline Pinion, Kit

Part Number: MGR-R9-5GRLMK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 9.5 in., 14-Bolt, Truck, Set

Part Number: MGR-GM9-5-410

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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