2003 Differential & Rear-End Components

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Today

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Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

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Estimated Ship Date: Today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, GMC, 8.5 in., 8.625 in., Pair

Part Number: MSR-A30-99GMTK

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Dura Grip Positraction Carrier, Traction-Loc, Ford 8.8 in., 28 Spline, Each

Part Number: YGA-26005

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: MGR-RA28LRMK

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential, Lock-Right, Locker, 30-Spline, Dana 44, Open, Each

Part Number: PWT-2410-LR

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Pair

Part Number: MMK-449SS

4.67 out of 5 stars ( 57 )

Estimated Ship Date: Today

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Axle C-Clip, 1.550 in. O.D,, 0.800 in. I.D., 0.150 in. Thick, Steel, Natural Finish, Each

Part Number: YGA-33083

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Today

Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Today

Differential Carrier Rebuild Kit, Trac-Lok, 35-spline, Clutch Pack, Clutch Shims, Rear, Dana 80, Kit

Part Number: SDH-2003857

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Differential Cover, Ram-Air, Satin Black, Milled Aluminum, Ford, Sterling 12-Bolt axle, 10.25/10.50 ring gear, Each

Part Number: GBE-19252

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.30:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888430

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Front Axle Actuator, Posi-Lok, Chevy, GMC, 4WD, Kit

Part Number: POS-500

4.06 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Differential Cover, Hardcore, Nodular Iron, Black Powdercoated, Dana 44, Each

Part Number: YGA-29101

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Covers, Differential Cover Kits, Dana 30/Dana Super 30, 10-bolt, Nodular Iron, Black Textured Powdercoated, Bolts, Gaskets, Kit

Part Number: SDH-10023534

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Differential Cover, Nodular Iron, Dana 60, Gray, Kit

Part Number: SDH-10024090

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Rear, Ford 10.25 in., Ford 10.5 in., Each

Part Number: YGA-26031

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Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10638

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-332

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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• Special Order

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Ford, Kit

Part Number: FMS-M-4033-G3

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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