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

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867828WS

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867828WS

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867828WS

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco GM Genuine Parts Oxygen Sensors 12572705

Oxygen Sensor, 4-wire, Thread-in, Cadillac, Chevy, GMC, Hummer, Each

Part Number: ADO-213-1161

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Standard Motor Coolant Temperature Sending Units TX89

Coolant Temperature Sensor, Each

Part Number: SMP-TX89

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

MSD Blaster OEM Replacement Coils 8264

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, 8.1L, Each

Part Number: MSD-8264

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

NTK Crankshaft Position Sensors EH0157

NTK Engine Crankshaft Position Sensor

Part Number: NGK-EH0157

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Eddie Motorsports Ball Milled Billet Coil Covers MS109-04HL

Coil Covers, Aluminum, Matte Black Powdercoated with Ball Milled Grooves, Chevy, LS, With Oil Fill Cutout, Pair

Part Number: EMS-MS109-04HL

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867830RWS

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867830RWS

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Standard Motor Coolant Temperature Sending Units TX3

Temperature Sender/Switch, OEM Replacement, for use on Acura®, Asuna, GM, Honda®, Isuzu, Jeep, Each

Part Number: SMP-TX3

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco Gold Engine Coolant Temperature Sensors 19189478

Sensor, Coolant Temperature, Each

Part Number: ADO-15-51107

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco Vehicle Speed Sensors 24225896

Vehicle Speed Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Each

Part Number: ADO-213-1701

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ High-Output Ignition Coils SUM-850501-1B

Ignition Coils, Coil Pack, D585 Style, Epoxy, Round, Black, LS, V8, Chevy, Cadillac, GMC, Buick, Hummer, Isuzu, Each

Part Number: SUM-850501-1B

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

MechMan S Series Alternators 8237170

170 amp high output racing alternator for GM LS brackets

Part Number: MEH-8237170

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Champion Iridium Spark Plugs 9405

Spark Plug, Iridium, Iridium, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9405

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

NTK Oxygen Sensors 21546

Oxygen Sensor, 4-Wire, 0-1 V, Chevy, GMC, 5.3L, V8, Each

Part Number: NGK-21546

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Mr. Gasket LS Starter Bolts 60942MRG

Starter Bolts, Steel, Zinc, Long and Short Bolts, Chevy, LS, Set of 3

Part Number: MRG-60942MRG

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco Spark Plug Wire Sets 19417607

Spark Plug Wire Sets, Assembled, RFI Suppresion, Spiral Core, Black, Cadillac, Chevrolet, GMC, Hummer, Small Block, Set

Part Number: ADO-19417607

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Chevrolet Performance Spark Plug Wire Looms 88891792

Spark Plug Wire Retainer, 4-Wire, Plastic, Chevrolet, GMC, Saturn, 4 cyl., V8, Each

Part Number: NAL-88891792

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Delphi MAP Sensors PS10000

Sensor, MAP, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Saturn, Each

Part Number: DFP-PS10000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Interstate Mega-Tron Plus Automotive Batteries MTP-78

Battery, Mega-Tron, 12 V, Starting, 800 Cold Cranking Amps, Side Posts, Each

Part Number: ISB-MTP-78

4.8 out of 5 stars ( 10 )

if shipped by air

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if shipped by air

In Store Purchase Only

Taylor 409 Pro Race Spiro-Wound 10.4mm Spark Plug Wires 79205

Spark Plug Wires, 409 Pro Race, Spiro-Wound, 10.4mm, Red, Stock Boots, Chevy, GMC, LS, Set

Part Number: TAY-79205

4.59 out of 5 stars ( 54 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

NGK Laser Platinum Spark Plugs PTR5D-10

Spark Plug, Laser Platimun, Projected Tip, 14mm Thread, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-3784

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

MSD Blaster OEM Replacement Coils 82653

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Isuzu, Hummer, Pontiac, Saab, Each

Part Number: MSD-82653

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Bosch Premium Original Equipment-Type Oxygen Sensors 15282

Oxygen Sensors, Premium Original Equipment Type, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: BCH-15282

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Dorman Crankshaft Position Sensors 917-754

Crankshaft Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: RNB-917-754

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Taylor Street Thunder Spark Plug Wire Sets 51044

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

Part Number: TAY-51044

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air