2003 CADILLAC Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30-Spline, GM 8.5/8.6 in., Set

Part Number: YGA-24158

4.1 out of 5 stars ( 10 )

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

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.41 out of 5 stars ( 17 )

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

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Transmission Pan, Stock, Aluminum, EDP Coated Black, GM 700R4, 4L60, 4L60E, Each

Part Number: MRG-9797BMRG

3.73 out of 5 stars ( 15 )

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

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Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Firewall Mount, Case Entry, Black Tube, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD34L80FM36

5.0 out of 5 stars ( 5 )

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

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Torque Converter, SRL Billet Series, 9.5 in. Diameter, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS0082

4.75 out of 5 stars ( 4 )

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

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

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

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Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

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

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

Part Number: SPZ-37059

4.8 out of 5 stars ( 5 )

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

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GM TORQUE CONVERTER, 4L80E, 4L85E, LS MOTOR, TRIPLE CLUTCH 3600 STALL

Part Number: FTI-SRLS40086-3

Not Yet Reviewed

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

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Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, Each

Part Number: TCI-316861

4.76 out of 5 stars ( 34 )

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

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L60E, 4L65E, 4L70E, Each

Part Number: LOK-TD34L60EFM

4.71 out of 5 stars ( 24 )

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

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Automatic Transmission Rebuild Kit, Master Racing, GM, 4L60E, Kit

Part Number: TCI-379110

4.65 out of 5 stars ( 20 )

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

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

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

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GM TORQUE CONVERTER, 4L80E, 4L85E, LS MOTOR, 3800 STALL

Part Number: FTI-SRLS46391

Not Yet Reviewed

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

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E, 4L65E, 2800-3200 RPM stall

Part Number: HAY-97-1H28Q

Not Yet Reviewed

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

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Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

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

Transmission Pan, Deep, Aluminum, Natural, GM, 4L80E, Each

Part Number: BMM-70295

4.64 out of 5 stars ( 22 )

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

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

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

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

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

Part Number: MGR-MGK-221

Not Yet Reviewed

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

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, 4L60E, 4L65E, with LS Engine, Each

Part Number: BMM-70441

3.83 out of 5 stars ( 6 )

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

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Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 2 )

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

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Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

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

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L80E, Each

Part Number: LOK-TD34L80FM

4.36 out of 5 stars ( 11 )

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

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Torque Converter, Remanufactured, Stock Use, 1,400-1,600 Stall Speed Rating RPM Range, 30-spline Input, 12.50 in. Diameter, Buick, Chevy, GMC, Each

Part Number: CCV-TQBU47

4.5 out of 5 stars ( 6 )

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

• Core Charge $45.00
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Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.74 out of 5 stars ( 27 )

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