2003 Ignitions & Electrical

MSD Multiple Spark Coils and Coil Kits 82858

Ignition Coil, MSC II Coil Pack, D580 Style, Epoxy, Square, Red, GM LS1/LS6, Set of 8

Part Number: MSD-82858

4.0 out of 5 stars ( 13 )

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Billet Specialties Tru Trac Billet Alternators 12050

Billet Specialties Tru Trac Billet Alternators 12050

Alternator, Polished, 170 Amp, Ford, Chevy, Chrysler, Dodge, Plymouth, V8, Each

Part Number: BSP-12050

Not Yet Reviewed

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Davis Unified Ignition Screamin' Demon Coils for 1994-2003 S10, SONOMA - 31733

Ignition Coil Pack, Screamin' Demon, Square, Epoxy Filled, Black, 45,000 V, Pair

Part Number: DUI-31733

5.0 out of 5 stars ( 8 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Kleinn Direct Drive Horn Packages HOGKIT-1BK

Horns, Direct-Fit Dual Trumpet Chrome Air, Attached Compressor, 132 dB, 12 VDC, Uses OEM Cover, 14 in. x 4.5 in. x 7.25 in., Harley-Davidson®, Kit

Part Number: KLN-HOGKIT-1BK

5.0 out of 5 stars ( 1 )

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Denso Ignition Coils 673-1307

Ignition Coil, Coil Pack, Black, Female/Socket, Round, Lexus, Pontiac, Scion, Toyota, Each

Part Number: DNP-673-1307

5.0 out of 5 stars ( 2 )

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Edge Evolution CTS3 Programmers 85401-201

Computer Programmer, 2001-16 GM Duramax Diesel, 6.6L, CTS3, Each

Part Number: EGE-85401-201

Not Yet Reviewed

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ICT Billet Wiring Harness Extensions WECKP30-36

Wire Extension LS Gen 3 White 3-Wire CKP Crankshaft Position Sensor Connector

Part Number: ICB-WECKP30-36

Not Yet Reviewed

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Powermaster Street Alternators 58315

Alternator, Internal Regulator, 200 Amp, Black Powdercoated, Ford, Lincoln, Mercury, Each

Part Number: PWM-58315

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 8252

5 out of 5 stars ( 3 )

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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 OE Replacement Horns HN-18

Horn, OE Replacement, Low Tone, 12 V, for use on Acura®, for use on Honda®, AMC, Audi, BMW, Chevy, Chrysler, Dodge, Ford, Geo, GMC, Jaguar, Yugo, Each

Part Number: SMP-HN18

4.67 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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Dorman Starter Mounting Bolts 72004

Starter Mounting Bolt, Flanged Hex Head, Steel, Zinc Color, 5.00 in. Underhead Length, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Saab, Each

Part Number: RNB-72004

Not Yet Reviewed

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ICT Billet Wiring Pigtails WPIAC30

Wiring Pigtail, IAC Valve, 4-pin, Female, Chevy, Each

Part Number: ICB-WPIAC30

Not Yet Reviewed

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Summit Racing™ Street Series 500 Ohm 8mm Ignition Wires SUM-877650

Spark Plug Wires, Summit Street Series, 8mm, 500 Ohm, Black, Chevy, GMC, Oldsmobile, 4.3L Vortec Flat Cap, V6, Set

Part Number: SUM-877650

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NGK Racing Spark Plugs B9EG

Spark Plug, Racing, 14mm Thread, .750 Reach, 13/16 in. Hex, Gasket Seat, Non-Resistor, Each

Part Number: NGK-3530

Not Yet Reviewed

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Summit Racing™ LS Coil Brackets SUM-440349

Ignition Coil Brackets, Billet Aluminum, Black Anodized, Chevy LS Engines, Fits Summit Pro LS Valve Covers and D585 Coils, Pair

Part Number: SUM-440349

2.0 out of 5 stars ( 2 )

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Powermaster PowerMax Plus Starters 19004-9

Starters, PowerMAX Plus, LS/LSX, Maximum 16:1 Compression, 3.7:1 Gear Reduction, 180 ft.-lbs. Torque, 1.8 Kw, 2.5 HP, Chrome, Chevy, Each

Part Number: PWM-19004-9

5.0 out of 5 stars ( 1 )

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Motorcraft Dome Light Switches 6C2Z13713AA

Door Jamb Switches, Interior Light Door Jamb Switches, Brass/Plastic, Ford, Each

Part Number: MOF-SW6345

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: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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SCT X4 Power Flash Programmers 7015

4.25 out of 5 stars ( 75 )

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Crown Automotive Battery Hold-Down Bracket Kits for 1993-2004 GRAND CHEROKEE, 1987-1991 GRAND WAGONEER, 1987-2004 WRANGLER - 55014361K

Battery Hold Down Bracket Kit for 1987-2004 Jeep TJ, YJ, & ZJ Models

Part Number: CWA-55014361K

Not Yet Reviewed

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ACDelco Gold Glow Plugs 97226202

Glow Plug, Replacement, GM, 6.6L Duramax, LB7, Each

Part Number: ADO-62G

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Astemo Mass Air Flow Sensors MAF0012

MAF Sensor, Mass Air Flow Sensor, Black Housing, Ford, Lincoln, Mazda, Mercury, Each

Part Number: HTA-MAF0012

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

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