2003 CADILLAC Ignitions & Electrical

Standard Motor Wiring Connectors TX3A

Wiring Pigtail, Coolant Temperature Sensor, Each

Part Number: SMP-TX3A

4.6 out of 5 stars ( 5 )

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35 amps ACDelco Replacement Relay 13500126

Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-D1780C

5.0 out of 5 stars ( 2 )

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ACDelco Replacement Wiring Harness Connectors 12101937

Wiring Harness Connector, Replacement, Multipurpose, Male, 2-pin, Gray, Each

Part Number: ADO-PT209

5.0 out of 5 stars ( 1 )

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ACDelco Wiring Connectors 88862305

Wiring Pigtails, Replacement, Female Wire Connector Type, for Hyundai, AMC, Cadillac, Chevy, Chrysler, Ford, Geo, GMC, Jeep, Ram, Saturn, Suzuki, Each

Part Number: ADO-PT2386

5.0 out of 5 stars ( 1 )

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SCT Replacement Micro USB Cables 4520

Computer Programmer Accessory, Micro USB Cable, Replacement, iTSX, Livewire TS+, X4, Each

Part Number: SCL-4520

Not Yet Reviewed

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NGK Ruthenium HX Spark Plugs FR6AHX-S

Spark Plug, Ruthenium HX, Resistor, Flat Seat, Copper Core, Ruthenium Tip, 0.750 in. Reach, for Nissan, Audi, BMW, Chevy, Chrysler, Ford, Toyota, Each

Part Number: NGK-94279

Not Yet Reviewed

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Mishimoto Ignition Coils MMIG-LSHS-9908

Ignition Coil, Stock Replacement, Black, Epoxy, Phenolic Resin Shell, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Set of 8

Part Number: MIO-MMIGLSHS9908

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

Denso Oxygen Sensors 234-4209

Oxygen Sensor, Universal, Heated, Thread-In Mounting, Each

Part Number: DNP-234-4209

3.6 out of 5 stars ( 5 )

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Standard Motor Wiring Connectors HP3840

Wiring Pigtails, 2-pin, Male, Black, for use on Acura®, Buick, Cadillac, Chevy, Chrysler, Ford, GMC, Lincoln, Mercury, Mitsubishi, Olds, Pontiac, Each

Part Number: SMP-HP3840

5.0 out of 5 stars ( 2 )

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Delphi Engine Coolant Temperature Sensors TS10075

Coolant Temperature Sensor, OEM, Brass, Natural, for use on Acura®, Honda®, Chevy, Isuzu, Each

Part Number: DFP-TS10075

4.77 out of 5 stars ( 13 )

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Dragon Fire Race Series Spark Plug Wire Sets PWJ121

Spark Plug Wire Sets, Race Series, Assembled, Spiral Core, Coil Pack Terminal Ends, Red Wires, 10mm Diameter, Cadillac, Chevrolet, Small Block LS, Set

Part Number: DFR-PWJ121

5.0 out of 5 stars ( 1 )

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Holstein Parts Oil Pressure Switches 2OPS0031

Oil Pressure Switch, Replacement, Plastic/Diecast, Black/Silver, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: HLN-2OPS0031

Not Yet Reviewed

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Chevrolet Performance Replacement Horns 84594588

Horn, Replacement, High Note, 12 V, Buick, Cadillac, Chevy, GMC, Kit

Part Number: NAL-84594588

Not Yet Reviewed

Estimated Ship Date: Aug 13, 2026 if ordered today

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Estimated Ship Date: Aug 13, 2026 if ordered today

Taylor Street Thunder Spark Plug Wire Sets 53005

Spark Plug Wires, StreeThunder, Spiro-Wound, 8mm, Black, Stock Boots, Chevy, Small Block, Set

Part Number: TAY-53005

4.73 out of 5 stars ( 15 )

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Denso Oxygen Sensors 234-4650

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, for use on Honda®, Isuzu, Oldsmobile, Pontiac, Each

Part Number: DNP-234-4650

5.0 out of 5 stars ( 1 )

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Standard Motor Coolant Temperature Sensors TX3K

Coolant Temperature Sensor, Replacement, for use on Honda®, AM General, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Jeep, Olds, Pontiac, Each

Part Number: SMP-TX3K

Not Yet Reviewed

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RESTOPARTS® Manufactured Firewall Wire Routing Gutters CHV2350

Wire Routing Gutter, Firewall Mount, Plastic, Black, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-CHV2350

4.5 out of 5 stars ( 10 )

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Dorman Headlight Switches 901-142

Headlight Switch, OEM Replacement, Chevy, GMC, Each

Part Number: RNB-901-142

5.0 out of 5 stars ( 2 )

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Standard Motor Coolant Temperature Sending Units TX3T

Sending Unit, Temperature, 3/8 in. NPT, Each

Part Number: SMP-TX3T

5.0 out of 5 stars ( 1 )

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Standard Motor Crankshaft Position Sensors PC278

Cam Sensor, OEM Replacement, Each

Part Number: SMP-PC278

Not Yet Reviewed

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Standard Motor Wiring Connectors S-824

Wiring Pigtails, 2-pin, Female, Black, for Hyundai, for Kia, Cadillac, Chevy, Chrysler, Dodge, Ford, Mazda, Mercury, Subaru, Volkswagen, Volvo, Each

Part Number: SMP-S824

5.0 out of 5 stars ( 2 )

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Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 86246

Wire, ThunderVolt, Spiral Core, 8.2mm, Red, Coil Pack, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab

Part Number: TAY-86246

4.67 out of 5 stars ( 3 )

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Bosch Premium Universal Type Oxygen Sensors 15733

Oxygen Sensor, Universal Replacement, OE SmartLink™, Each

Part Number: BCH-15733

3.67 out of 5 stars ( 3 )

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Denso Ignition Coils 673-7108

Direct Ignition Coil, Direct Ignition Coil OE Quality

Part Number: DNP-673-7108

Not Yet Reviewed

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MSD Multiple Spark Coils and Coil Kits 82868

Ignition Coil, MSC II Coil Pack, Epoxy, Square, Red, GM LQ Truck Engines, Set of 8

Part Number: MSD-82868

3.5 out of 5 stars ( 6 )

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