2003 CADILLAC Ignitions & Electrical

Taylor Spiro-Pro Spark Plug Wire Sets 72205

Spark Plug Wires, Spiro-Pro, 8mm, Red, Straight Boots, GM, 4.8/5.3/6.0L, V8, Set

Part Number: TAY-72205

4.94 out of 5 stars ( 16 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Beck/Arnley Crankshaft Position Sensors 180-0563

Crankshaft Position Sensors, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: BCK-180-0563

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73703

Spark Plug Wires, Ultra 40, Spiral Core, 7.0mm, Black, 180 Degree Boots, Chevy, Set

Part Number: MOR-73703

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

ATP Automatic Transmission Wiring Harnesses JE-24

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ATP-JE-24

Not Yet Reviewed

Estimated Ship Date: Today

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Delphi XS Ignition Wire Sets XS10388

Spark Plug Wire, Spiral Core, 7mm, Black, Stock Boots, Cadillac, Chevy, GMC, Hummer, Set

Part Number: DFP-XS10388

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Nitrous Express Nitrous Solenoid Mounting Brackets 15768

Nitrous Express Nitrous Solenoid Mounting Brackets 15768

Nitrous Oxide Solenoid Mounting Bracket, Aluminum, Black, Designed To Mount On Top of GM LS Series Intake Manifolds, Chevrolet, Pontiac, Each

Part Number: NEX-15768

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

ACDelco Air Temperature Sensors 22834330

Air Temperature Sensors, OE Replacement, Push To Connect, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ADO-22834330

Not Yet Reviewed

Estimated Ship Date: Today

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Taylor Spiro-Pro Spark Plug Wire Sets 72605

Spark Plug Wires, Spiro-Pro, 8mm, Blue, Straight Boots, Cadillac, Chevy, GMC, 4.8/5.3/6.0L, V8, Set

Part Number: TAY-72605

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Standard Motor Spark Plug Wire Sets 7873

Spark Plug Wire Sets, OE Replacement, Silicone, 7mm, Cadillac, Chevrolet, GMC, LS, V8, Set

Part Number: SMP-7873

Not Yet Reviewed

Estimated Ship Date: Today

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PerTronix Flame-Thrower Ignition Coils 30841

Ignition Coils, Flame-Thrower, Coil Pack Style, Epoxy, Female/Socket, Square, Black, 35,000 V, Buick, Cadillac, Chevy, GMC, Hummer, LS, Each

Part Number: PNX-30841

Not Yet Reviewed

Estimated Ship Date: Today

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Standard Motor Oxygen Sensors SG2155T

Oxygen Sensor, Replacement, Thread-in, Cadillac, Chevrolet, GMC, Each

Part Number: SMP-SG2155T

Not Yet Reviewed

Estimated Ship Date: Today

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Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 82205

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Red, Straight Boots, Cadillac/Chevy, GMC, 4.8/5.3/6.0L, Set

Part Number: TAY-82205

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 82605

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Blue, Straight Boots, Cadillac/Chevy, GMC, 4.8/5.3/6.0L, Set

Part Number: TAY-82605

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 82005

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Black, Straight Boots, Buick, Chevy, GMC, 4.8/5.3/6.0L, Set

Part Number: TAY-82005

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73705

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 180 Degree Boots, Chevy, Pontiac, 5.7L, 6.2L, Set

Part Number: MOR-73705

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets 73680

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Red, 180 Degree Boots, Chevy, Pontiac, 5.7L, Set

Part Number: MOR-73680

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Taylor Spiro-Pro Spark Plug Wire Sets 72005

Spark Plug Wires, Spiro-Pro, 8mm, Black, Straight Boots, Cadillac, Chevy, GMC, 4.8/5.3/6.0L, V8, Set

Part Number: TAY-72005

Not Yet Reviewed

Estimated Ship Date: Today

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ACCEL ProConnect Spark Plug Wire Sets 118064

Spark Plug Wire Sets, ProConnect, Assembled, Spiral Core, Coil Pack, Straight Plug Boots, Black, Buick, Cadillac, Chevrolet, GMC, Small Block LS, Set

Part Number: ACC-118064

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

ACCEL ProConnect Spark Plug Wire Sets 118063

Spark Plug Wire Sets, ProConnect, Assembled, Spiral Core, Coil Pack, Straight Plug Boots, Black, Cadillac, Chevrolet, GMC, Hummer, Small Block LS, Set

Part Number: ACC-118063

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Standard Motor Spark Plug Wire Sets 7874

Spark Plug Wire Sets, OE Replacement, Silicone, 7mm, Cadillac, Chevrolet, GMC, LS, V8, Square Coil, Set

Part Number: SMP-7874

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman ABS Speed Sensors 970-309

ABS Speed Sensor, Each

Part Number: RNB-970-309

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Denso Oxygen Sensors 234-4286

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Cadillac, Chevrolet, GMC, Pontiac, Saturn, Each

Part Number: DNP-234-4286

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Dorman Wiring Connectors 84756

7-Wire GM Neutral Safety Switch Harness

Part Number: RNB-84756

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Dorman Blower Motor Resistors 973-508

Blower Motor Resistor, Includes Resistor Pigtail, Each

Part Number: RNB-973-508

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Mishimoto Ignition Coils MMIG-LSSQ-99

Ignition Coil, Stock Replacement, Black, Epoxy, Phenolic Resin Shell, Cadillac. Chevy, GMC, Hummer, Each

Part Number: MIO-MMIG-LSSQ-99

Not Yet Reviewed

Estimated Ship Date: Today

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