2003 CADILLAC | Summit Racing

Mahle Original Cylinder Head Gaskets 54445

Head Gasket, Multi-Layer Steel, 4.030 in. Bore, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: MAH-54445

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-34L60EFM

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-34L60EFM

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: Today

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King HP-Series Cam Bearings CS5171HPT

Cam Bearings, Performance, Bi-metal, Fluoropolymer Lead-Based Micro Babbitt, Chevy LS, 3rd Design, Set of 5

Part Number: KGB-CS5171HPT

Not Yet Reviewed

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Spectre Performance Cold Air Intake Kits 9900K

Air Intake Kit, Cold Air Intake System, Aluminum Tube, Polished, Black Filter, Cadillac, Chevy, GMC, Kit

Part Number: SPE-9900K

4.53 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Sealed Power CP-Series Rod Bearings 2555CP

Rod Bearing, Standard Size, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8, Each

Part Number: SLP-2555CP

4.75 out of 5 stars ( 4 )

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JET Dynamic Spectrum Tuners 14005

Computer Tuner, Cadillac, Chevy, GMC/Pontiac, Passenger Car/Pickup/SUV, 4.8/5.0/5.3/5.7/6.0/7.4/8.1L, Each

Part Number: JET-14005

3.62 out of 5 stars ( 21 )

Estimated Ship Date: Today

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OTC Harmonic Balancer Pullers 6667

Harmonic Balancer Puller, 3-Jaw Puller, 4 Forcing Rods, 1 Forcing Screw, Kit

Part Number: OTC-6667

4.81 out of 5 stars ( 75 )

Estimated Ship Date: Today

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Hays Twister 3/4 Race 2,800-3,200 Stall Torque Converter 97-1H28Q

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

Part Number: HAY-97-1H28Q

Not Yet Reviewed

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Walker Heavy-Duty U-Bolt Clamps 35337

Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each

Part Number: WLK-35337

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Bully Dog GT Gas Tuners 40410

Computer Programmer, GT Gas Tuner, Each

Part Number: BLY-40410

4.03 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM85342 GM 8.5/8.6 in. 3.42 Gears

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: Today

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Kooks Headers Race Long Tube Headers 28502400

Headers, Long Tube, Stainless Steel, Natural, 1.88 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Chevrolet Performance Rear Main Seals 89060436

Rear Main Seal, 1 Piece, Buick, Chevy, GMC, Pontiac, Saab, LS Engine, Each

Part Number: NAL-89060436

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dragon Fire Performance Ignition Coils DFC1004-8

Ignition Coils, High Performance, Direct Replacement, Round, Epoxy, Black, Chevy, LS, Set of 8

Part Number: DFR-DFC1004-8

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Clevite H-Series Main Bearings MS-2199H-10

Main Bearings, H Series, .010 in. Crankshaft Undersize, Tri Metal, Chevy, LS, Set of 5

Part Number: CLE-MS2199H10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wilwood TX4R Big Brake Rear Brake Kits 140-16861-DR

Disc Brakes, TX4R, Rear, Drilled/Slotted Rotors, 4-Piston Red Calipers, Cadillac, Chevy, GMC, Kit

Part Number: WIL-140-16861-DR

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Cometic MLS Head Gaskets C5475-040

Head Gasket, 3.910 in. Bore, .040 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Gabriel HiJackers Air Shocks 49235

Shocks, HiJackers Air, Adjustable, Rear, Stock Height, ES34 Eyelets Upper/Lower, w/Black Rubber Bushings/Air Hose Kit, GM, Dodge, Jeep, Nissan, Pair

Part Number: GAB-49235

4.38 out of 5 stars ( 37 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts 168-Tooth Flexplate 12654640

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: Today

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NGK G-Power Platinum Spark Plugs TR5GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3186

4.93 out of 5 stars ( 28 )

Estimated Ship Date: Today

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B&M Holeshot 2,300-2,500 Stall Torque Converter 70441

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: Today

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Edelmann Power Steering Pumps 6023R

Power Steering Pump, Standard Replacement, Standard Volume, Does Not Include Pulley, Includes Reservoir, Cadillac, Chevy, GMC, Each

Part Number: EDD-6023R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Melling Stock Replacement Cam and Lifter Kits CL-MC1383

Camshaft Kit, Stock Replacement, Hydraulic Roller, OE Roller, Lifters Included, Buick, Cadillac, Chevrolet, GMC, Isuzu, 4.8L, 5.3L, 6.0L, Kit

Part Number: MEL-CL-MC1383

1.0 out of 5 stars ( 1 )

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10w30 Royal Purple Premium High Performance Motor Oil 51130

Engine Oil, Synthetic, 10W30, 5 qts., Each

Part Number: RPO-51130

5.0 out of 5 stars ( 16 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

ACDelco GM Genuine Parts Camshaft Thrust Plates 12589016

Camshaft Thrust Plates, GM Genuine Parts, Solid Type, Steel, Chevrolet, Each

Part Number: ADO-12589016

3.25 out of 5 stars ( 4 )

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2003 CADILLAC Parts and Accessories