2003 CADILLAC - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks XTD-34L60ETM

Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks XTD-34L60ETM

Transmission Dipstick, Braided Stainless Steel, Black, Bellhousing Mount, Chevy, 4L60E, Each

Part Number: LOK-XTD-34L60ETM

5.0 out of 5 stars ( 1 )

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Motive Gear Performance Ring and Pinion Sets G885410 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

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Cometic MLS Head Gaskets C5751-075

Head Gasket, MLS, 4.060 in. Bore, .075 in. Compressed Thickness, Chevy, 5.7, 6.0, 6.2L, Each

Part Number: CGT-C5751-075

5.0 out of 5 stars ( 1 )

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ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

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Timken Timing Cover Seals 100470

Timing Cover Seal, Each

Part Number: TMK-100470

5.0 out of 5 stars ( 5 )

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Cold Case Performance Aluminum Radiators GMT570A

Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Cadillac, Chevy, GMC, Truck, Models without Engine Oil Cooler, Each

Part Number: RAD-GMT570A

4.33 out of 5 stars ( 21 )

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Richmond Gear Ring and Pinion Sets 69-0165-1 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

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WeatherTech Seat Protectors SPB002CH

Seat Protector, Cover, Polycotton, Black, Bucket, First Row, Each

Part Number: MNA-SPB002CH

4.83 out of 5 stars ( 6 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

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ACL Performance Race Series Main Bearing Sets 5M7298HC-STD

Main Bearings, Race Series, Tri-Metal, CT-1 Coating, 3/4 Groove, Standard Size, Chevrolet, LS, Set of 5

Part Number: PEB-5M7298HC-STD

Not Yet Reviewed

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Chevrolet Performance Main Cap Fasteners 12560272

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

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Anchor Industries Engine Mounts 2909

Motor Mount, Complete Mount, Bolt-In, Rubber, Black, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0L, Each

Part Number: ANI-2909

4.43 out of 5 stars ( 14 )

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ACDelco Type III-H Automatic Transmission Fluid 88865545

Transmission Fluid, Type III-H Automatic Transmission Fluid, 1 gal., Each

Part Number: ADO-10-9241

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Gibson Headers GP129S-C

Headers, Shorty, Stainless Steel, Ceramic Coated, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: GIB-GP129S-C

4.64 out of 5 stars ( 11 )

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King HP-Series Cam Bearings CS5503HPT

Cam Bearings, Steel Backed Babbitt, Coated, Chevy LS, 1st Design, Set

Part Number: KGB-CS5503HPT

5.0 out of 5 stars ( 1 )

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Speed-Pro Hypereutectic Pistons H1129CPA .75MM

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Cadillac, Chevy, GMC, Hummer, Set of 8

Part Number: SLP-H1129CPA75MM

4.8 out of 5 stars ( 5 )

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Arnott New OE Air Shocks and Struts AS-3430

Air Struts and Shocks, New OE, Rear, Left or Right, Cadillac, Chevrolet, GMC, Each

Part Number: NTT-AS-3430

4.0 out of 5 stars ( 10 )

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Melling Freeze Plugs MPE-900BR-GP

Freeze Plugs, Brass/Steel, Chevy, GM LS Engine, Kit

Part Number: MEL-MPE-900BR-GP

5.0 out of 5 stars ( 4 )

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E3 Spark Plugs E3.54

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-54

4.59 out of 5 stars ( 98 )

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Chevrolet Performance Replacement Valve Cover Bolts 12577215

Valve Cover Bolts, Steel, Chevy Small Block, L92, Each

Part Number: NAL-12577215

4.87 out of 5 stars ( 15 )

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Royal Purple Max ATF Transmission Fluid 06320

Transmission Fluid, Max ATF, Synthetic, Quart, Set of 6

Part Number: RPO-06320

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

ACDelco GM Genuine Parts Oxygen Sensors 12587785

Oxygen Sensor, Thread-in, Heated, Each

Part Number: ADO-213-1702

4.67 out of 5 stars ( 3 )

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VEGE Remanufactured Automatic Transmissions 7204-MB

Automatic Transmission, Remanufactured, 4L60E, Four Gears, Stock Aluminum Pan, Torque Converter, Buick, Cadillac, Chevy, GMC, Isuzu, Pontiac, Each

Part Number: VRE-7204-MB

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

PowerStop Z23 Evolution Sport Brake Upgrade Kits K2046

Pads and Rotors, Evolution Sport, Cross-Drilled/Slotted Surface, Iron, Zinc Plated, 12.990 in. Diameter, Z23 Carbon Fiber Ceramic Pads, Kit

Part Number: PWR-K2046

5.0 out of 5 stars ( 4 )

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Moog Replacement Idler Arms K6723

Idler Arm Bracket Assembly, Cadillac, Chevy, GMC, Each

Part Number: MOG-K6723

4.75 out of 5 stars ( 32 )

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2003 CADILLAC Parts and Accessories