2003 CADILLAC Ignitions & Electrical

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 )

Estimated Ship Date: Tomorrow

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ACDelco Spark Plug Wire Sets 19417606

Spark Plug Wire Sets, Assembled, RFI Suppression, Black, Cadillac, Chevrolet, GMC, Hummer, Set

Part Number: ADO-19417606

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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 24, 2026 if ordered today

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Estimated Ship Date: Aug 24, 2026 if ordered today

MSD APS Replacement Starter Solenoids 5086

Starter Solenoid, Replacement For PN 5096, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, LS Engine, Each

Part Number: MSD-5086

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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NTK Oxygen Sensors 21516

Oxygen Sensor, 4-Wire, 0-1 V, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, V6/V8, Each

Part Number: NGK-21516

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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MSD Street Fire Coils 5510

Ignition Coil, Street Fire, Coil Pack, Black, Buick, Chevy, GMC, Each

Part Number: MSD-5510

4.0 out of 5 stars ( 2 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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MSD Street Fire Coils 55108

4.25 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Edelbrock Max-Fire Ultra-Spark 50 Spark Plug Wire Sets 22717

Spark Plug Wires, Max-Fire Ultra-Spark 50, Spiral Core, 50 ohms, 8.5mm, Red, Trucks, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: EDL-22717

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Standard Motor Vehicle Speed Sensors SC131

Vehicle Speed Sensor, OEM Replacement, Chevy, GMC, Each

Part Number: SMP-SC131

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts HVAC Blower Motor Resistors 22807122

Blower Motor Resistor, GM OE HVAC, Cadillac, Chevy, GMC, Each

Part Number: ADO-22807122

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Delphi Oxygen Sensors ES20013

Oxygen Sensor, 4-wire, Thread-in, Buick, Cadillac, Chevy, GMC, Pontiac, Isuzu, Saturn, Each

Part Number: DFP-ES20013

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco Replacement Switches 15143597

Electrical Switches, ACDelco Replacement Switches, Fog Lamp and Cargo Lamp Switch, Cadillac, Chevy, GMC, Each

Part Number: ADO-D7096C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Brake Pedal Position Sensors 25799118

Brake Pedal Position Sensor, Buick, Chevrolet, GMC, Each

Part Number: ADO-25799118

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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PerTronix Flame-Thrower Spark Plug Wire Sets 808429

PerTronix Flame-Thrower Spark Plug Wire Sets 808429

Spark Plug Wires, Flame-Thrower, Spiral Core, 8mm, Red, 135 Degree Boots, GM, LS, V8, Set

Part Number: PNX-808429

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ATP Automatic Transmission Speed Sensors CE-12

Vehicle Speed Sensors, Auto Trans Speed Sensor, Avanti, Buick, Cadillac, Chevy, Each

Part Number: ATP-CE-12

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Taylor Spiro-Pro Spark Plug Wire Sets 74244

Spark Plug Wires, Spiro-Pro, 8mm, Red, Straight Boots, Chevy, Pontiac, LS1/LS6, Set

Part Number: TAY-74244

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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NGK Resistor Spark Plug Wire Sets 51430

Spark Plug Wires, Resistor, 7mm, Blue, Stock Boots, Cadillac, Chevrolet, GMC, Hummer, Set

Part Number: NGK-51430

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Turn Signal Switches 2330856

Turn Signal Switches, Multi-function, With Cruise Control, Labeled, Wiring Included, Plastic, GM, Each

Part Number: RNB-2330856

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Diode Dynamics LED Flasher Relays DD4013

LM487 LED Turn Signal Flasher

Part Number: DOD-DD4013

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ACCEL Super Coils 140043

Ignition Coils, Coil Pack, Black/Yellow, Epoxy, Buick, Chevy, GMC, Hummer, Pontiac, LS2, LS3, LS7, Each

Part Number: ACC-140043

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Bosch Premium Universal Type Oxygen Sensors 15730

Oxygen Sensor, Universal Replacement, OE SmartLink™, Each

Part Number: BCH-15730

2.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Taylor Spiro-Pro Spark Plug Wire Sets 74044

Spark Plug Wires, Spiro-Pro, 8mm, Black, Straight Boots, Chevy, Pontiac, LS1, LS6, Set

Part Number: TAY-74044

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Standard Motor Throttle Position Sensors TH602

Throttle Position Sensor, Replacement, Buick, Chevrolet, GMC, Hummer, Isuzu, Workhorse, Workhorse Custom Chassis, Each

Part Number: SMP-TH602

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Taylor Spiro-Pro Spark Plug Wire Sets 74644

Spark Plug Wires, Spiro-Pro, 8mm, Blue, Straight Boots, Chevy, Pontiac, LS1, LS6, Set

Part Number: TAY-74644

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

ACDelco ABS Wheel Speed Sensor Rings 12479286

ABS Reluctor, Wheel Speed Sensor Ring, Steel, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12479286

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Nitrous Express NX Accessory Power Switch Panels 15772

Electrical Switch Panels, NX Accessory Power, 4 Switches, Rocker, Aluminum, Black, Dash Mount, Replaces 4WD Switch, Cadillac, Chevy, GMC, Each

Part Number: NEX-15772

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today