2003 CADILLAC Transmission & Drivetrain

Spider Gears, Internal Kit, Side Gears, Cross Pin and Bolt, GM 2000 and Newer, Rear, 8.6 in., 30- Spline, Kit

Part Number: YGA-16056

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Axle Seal, Steel/Rubber, GM 8.5/8.625 in., 2.848 in. O.D., 1.623 in. I.D., Each

Part Number: ADO-291-315

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, Powerglide, Kit

Part Number: LOK-KD-20PGHT

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Axle Kit

Part Number: MGR-KIT513067

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, GMC, Each

Part Number: AFE-46-70242

Not Yet Reviewed

Estimated Ship Date: Today

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Torque Converter, SRL-3 Billet, Triple Clutch, 9.5 in. Diameter, Hard Hit Version, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS8082-3

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Axle Shafts, Direct Fit, New, Neoprene Boots, Front Left or Right, Cadillac, Chevrolet, GMC, Each

Part Number: AAZ-66-1009

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

Flywheel And Flexplate Dust Covers, Torque Converter, Plastic, Black, GM, Each

Part Number: ADO-24261712

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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: Today

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Gear, Ring and Pinion, 4.11:1 Ratio, Reverse Rotation, 1.625 in. Pinion, 30 Spline, GM 8.25 in. IFS, Set

Part Number: YGA-24153

Not Yet Reviewed

Estimated Ship Date: Today

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Wheel Bearing, Steel, Each

Part Number: TMK-513067

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Transmission Pan, Deep, Steel, Black, Chevy, Oldsmobile, Pontiac, 700 R4, 4L60, 4L60E, Each

Part Number: RNB-265-811

4.57 out of 5 stars ( 21 )

Estimated Ship Date: Today

Wheel Hub and Bearing Assembly, Front, Cadillac, Chevy, GMC, Each

Part Number: TMK-SP550307

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Axle Shaft, OEM Replacement, 30-Spline, 33.563 in. Length, Cadillac, Chevy, GMC, 8.6 in., Rear, Each

Part Number: RMG-92-25145

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Universal Joint, 1344 Style, Greasable, Steel, Each

Part Number: SUM-732001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Differential Carrier, Open, Loaded, GM 8.6 in. 30 Spline, Each

Part Number: YGA-20098

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Sprag/Roller Clutch, 29-Element, Forward Sprag, Low-Reverse Clutch, GM, 4L60E/700R4, Kit

Part Number: TCI-373600

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

Not Yet Reviewed

Estimated Ship Date: Today

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Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

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Automatic Transmission Tailhousings, 4L60E, OEM-style, Rear, with Seal, Aluminum, Natural, Each

Part Number: ADO-24241496

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10418

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Transmission Fluid Dipstick Components, Seals, Tube Grommet, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-1259475

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today