1978 CHEVROLET K10 Differential & Rear-End Components

Differential, Lock-Right, Locker, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-1920-LR

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373T

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, Posi Performance, Limited Slip, 30-Spline, 12-Bolt, 4 Series, Chevy, GMC, Truck, Each

Part Number: ETN-19556-010

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 if shipped by air

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

Part Number: MGR-G885342

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 if shipped by air

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Differential Carrier Cases, Dana 44, 30 Spline, 3.92 and Up Ratio, Each

Part Number: YGA-20028

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit

Part Number: SPZ-37008

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ring and Pinion Installation Kit, Master Kit, Dana 44, Chevy, Dodge, Ford, GMC, International, Jeep, Kit

Part Number: MGR-RA28LRMK

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Cover, Rear, 12-bolt, Aluminum, Natural, GM 8.875 in. Truck, Each

Part Number: BMM-70504

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Hardware, Rear Axle/Transmission Ventilator

Part Number: OER-15771000

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 44, Set

Part Number: MGR-D44-354

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Axle Shaft, Front Outer, 19 Spline, 9.720 in. Length, Dana 44, Each

Part Number: SDH-620200

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Bearing, Differential Carrier, Kit

Part Number: TMK-SET45

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12RSKT

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 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 2/23/2026 if shipped by air

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Ring and Pinion Gear Installation Kit, Master Overhaul, Dana 44, Kit

Part Number: YGA-14021

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Transfer Case Conversion, Chevy, Ford, GMC, with NP203 Transfer Case, Kit

Part Number: MMK-501

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit

Part Number: YGA-57008

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Dana 44, Dana 44 IFS, Each

Part Number: YGA-26027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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