2003 CHEVROLET CORVETTE Ignitions & Electrical - In Stock Filter Options - Vendor In Stock Filter Options

Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 84044

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Black, Buick, Cadillac, Chevy, Pontiac, Hummer, Saab, Set

Part Number: TAY-84044

4.75 out of 5 stars ( 4 )

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Wiring Specialties Oxygen Sensor Extension Harnesses for 1998-2002 CAMARO, FIREBIRD, 1998-2004 CORVETTE - WSLS1O2EXT

Wiring Specialties Oxygen Sensor Extension Harnesses for 1998-2002 CAMARO, FIREBIRD, 1998-2004 CORVETTE - WSLS1O2EXT

Oxygen Sensor Extension Harness, 4 Wire, Square Plug, 24 in. Long, LS1, Pair

Part Number: WRS-WSLS1O2EXT

5.0 out of 5 stars ( 7 )

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Eddie Motorsports Smooth Billet Coil Covers MS109-02MB

Ignition Coil Covers, Smooth, Billet Aluminum, Matte Black Powdercoated, Chevy, Pontiac, Small Block LS, Pair

Part Number: EMS-MS109-02MB

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

NTK Crankshaft Position Sensors EH0157

NTK Engine Crankshaft Position Sensor

Part Number: NGK-EH0157

Not Yet Reviewed

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Taylor Spiro-Pro Spark Plug Wire Sets 76245

Wire, Spiro-Pro, 8mm, Red, Coil Pack, Cadillac, Chevy, Pontiac, Set of 8

Part Number: TAY-76245

4.0 out of 5 stars ( 3 )

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Lingenfelter Performance Engineering Mass Airflow Sensors L480000000

Mass Airflow Sensors, 100.00mm I.D., Aluminum, Black, Electronics, Chevy, Cadillac, GMC, Hummer, Pontiac, Kit

Part Number: LPE-L480000000

1.0 out of 5 stars ( 1 )

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Denso Iridium Long Life Spark Plugs 5090

Spark Plugs, Iridium Long Life, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-5090

Not Yet Reviewed

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ACDelco Spark Plugs 19355206

Spark Plug, Copper, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-R44LTSM6

5.0 out of 5 stars ( 1 )

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Denso Ignition Coils 673-7110

Direct Ignition Coil, Direct Ignition Coil OE Quality

Part Number: DNP-673-7110

Not Yet Reviewed

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SCT Livewire Vision Performance Monitors 5015PWD

Computer Programmer, SCT Livewire Vision Performance Monitor, Hand-held, Each

Part Number: SCL-5015PWD

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

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SCT X4 Power Flash Programmers 7015

4.25 out of 5 stars ( 74 )

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Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1545-CBBL

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Blue, 8.00mm Diameter, 10 in. Length, Cadillac, Chevrolet, GMC, Hummer, V8, Set

Part Number: GRN-28-1545-CBBL

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Powermaster High-Amp Alternators for 1997-2013 CORVETTE - 38969

Alternator, High-Amp, 220 amp, 12 V, Serpentine, Chrome Finish, Valeo Case, Internal Regulator, Chevy, Small Block, Each

Part Number: PWM-38969

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 Vehicle Speed Sensors for 1997-2013 CORVETTE - 12369458

Vehicle Speed Sensors, 2-wire, Chevrolet, Each

Part Number: ADO-213-344

Not Yet Reviewed

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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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Standard Motor Wiring Connectors HP3980

Wiring Pigtails, 2-pin, Female, Black, for use on Acura®, for Hyundai, for Nissan, Chevy, Chrysler, Ford, GMC, Mercedes-Benz, Toyota, Volkswagen, Each

Part Number: SMP-HP3980

Not Yet Reviewed

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Standard Motor Knock Sensors KS116

Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: SMP-KS116

4.33 out of 5 stars ( 3 )

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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

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

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867828RWS

Not Yet Reviewed

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ACDelco Wiring Connectors 88987997

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-PT1799

5.0 out of 5 stars ( 1 )

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Standard Motor Steering Wheel Position Sensors SWS21

Steering Wheel Position Sensor, OE Replacement, Buick, Cadillac, Chevrolet, Pontiac, Saturn, Each

Part Number: SMP-SWS21

Not Yet Reviewed

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Scott Performance Spark Plug Wire Sets SPW-PS-LS-S-1

CHEVY LS STANDARD 30 OHM HIGH PERFORMANCE SPARK PLUG WIRE SET / 9MM 45 DEG PLUG BOOT / 45 DEG COIL BOOT/GM COIL FIBERGLASS OVERSLEEVE BLACK

Part Number: SCW-PS-LS-S-1

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Granatelli Motor Sports GM High Performance Coil Near Plug Wire Sets 28-1811-CBB

Spark Plug Wire Sets, Assembled, Solid Core, Black Ceramic Boots, Black, 8.00mm Diameter, 8 in. Length, LS, V8, Set

Part Number: GRN-28-1811-CBB

Not Yet Reviewed

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ATP Automatic Transmission Wiring Harnesses CE-9

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

Part Number: ATP-CE-9

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today