GMC Differential & Rear-End Components

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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Differential Cover, Aluminum, Natural, Finned, B&M Logo, GM 10.5 in., 14-Bolt Cover, Each

Part Number: BMM-70501

4.55 out of 5 stars ( 11 )

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

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

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

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Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

Not Yet Reviewed

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

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Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

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

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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 4/20/2026 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 4/20/2026 if shipped by air

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 4/20/2026 if shipped by air

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Front Axle Actuator, Posi-Lok, Chevy, GMC, Kit

Part Number: POS-800

4.45 out of 5 stars ( 29 )

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

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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 4/20/2026 if shipped by air

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Differential Carrier, Open, GM 8.625 in., 30-Spline, Each

Part Number: MGR-GM8-6L

4.0 out of 5 stars ( 9 )

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

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Locking Hubs, Manual, Street Master, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: MMK-302

4.25 out of 5 stars ( 8 )

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

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 4/20/2026 if shipped by air

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Differential, Eaton Detroit Locker, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-225S10

4.96 out of 5 stars ( 25 )

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

Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

Not Yet Reviewed

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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Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-LM501349

3.0 out of 5 stars ( 6 )

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

Yukon front 4340 Chromoly axle kit for 1979-87 GM 8.5 in. 1/2 ton truck and Blazer

Part Number: YGA-21325

3.5 out of 5 stars ( 2 )

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

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Gear, Ring and Pinion, 3.54:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24030

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, 8.5 in., 30-Spline Pinion, Kit

Part Number: MGR-R10REMKT

4.0 out of 5 stars ( 7 )

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

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