2003 CADILLAC Differential & Rear-End Components

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: May 11, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Pinion Installation Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-13073

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Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

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Estimated Ship Date: May 18, 2026 if ordered today

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Ring and Pinion Gear Installation Kit, Minimum Installation Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-12059

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Basic, GM 8.6 in., Kit

Part Number: MGR-R10RLPK

2.0 out of 5 stars ( 1 )

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Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

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Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

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

Part Number: MGR-GM10-308

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Differential Cross Shaft, Steel, 0.795 in. Diameter, Each

Part Number: YGA-33401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring Gear Fasteners, Replacement Bolt, Hex Head, Steel, Black Oxide, 12mm x 1.50, GM 9.25/9.5 in., Chrysler 9.25 in., Each

Part Number: MGR-14012703

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Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10733

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Estimated Ship Date: May 8, 2026 if ordered today

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Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: ADO-19256068

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Gear, Ring and Pinion, 4.56:1 Ratio, Reverse Rotation, 1.625 in. Pinion, 30 Spline, GM 8.25 in. IFS, Set

Part Number: YGA-24154

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

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Estimated Ship Date: May 22, 2026 if ordered today

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Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Differential Carrier, Open, GM 8.25 in. IFS, Cadillac, Chevy, GMC, 3.42 and up, Each

Part Number: YGA-20131

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Axles, Direct Fit, Rear Left and Right, 30-Spline, 33.560 in. Length, GM 8.6 in., Kit

Part Number: SVL-2022622

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Estimated Ship Date: May 7, 2026 if ordered today

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Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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