Summit Racing SpeedCard - learn how to get 15% back up to $150

Summit Racing SpeedCard - learn how to get 15% back up to $150

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Automotive Wiring Harnesses

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Automotive Wiring Harnesses

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24,...

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

Rely on our large selection of low-priced, high-performance automotive wiring harnesses to tell your speedster what to do next. With circuits ranging from eight to 24, and the ability to replace parts on vehicles from as far back as 1946, we have what you need to complete your next auto project. Featuring top brands, including Painless Wiring, Ron Francis Wiring, FAST, and Summit Racing, we can help you get the job done—no matter what the make and model. Harness the power today!

Individual Parts

Results 1 - 25 of 27

Horn Wiring Harness, 12 V, Kit

Part Number: WLO-MCHWK-2

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Glow Plug Harness, Ford 6.0L Powerstroke, Passenger Side, Late 2004-07, Each

Part Number: RNB-904-453

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Wiring Harnesses, Air Horn, Relay, Button, Each

Part Number: WLO-HWK-1

4.0 out of 5 stars ( 2 )

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Glow Plug Harness, Ford, 6.0L Powerstroke, Driver Side, Late 2004-07, Each

Part Number: RNB-904-249

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Glow Plug Wiring Harness, Replacement, Volkswagen, 1.9L Diesel, Each

Part Number: RNB-904-091

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Glow Plug Harness, Ford, 6.4L Powerstroke, Passenger Side, Each

Part Number: RNB-904-411

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Glow Plug Harness, Replacement, Audi, Volkswagen, Each

Part Number: RNB-904-417

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Glow Plug Harness, Replacement, Volkswagen, Each

Part Number: RNB-904-090

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Glow Plug Jumper Wire Pigtail

Part Number: RNB-645-519

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Transmission Wire Adapter Harness, 18 in. Long, 4L80E, Each

Part Number: ICB-WATRA31-18

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RACE BILLET DISTRIBUTOR ADAPTER HARNESS

Part Number: FST-6000-6717

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Crane Ign to MSD Dist Adap

Part Number: FST-6000-6727

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

RACE BILLET TO MSD CAR SIDE HARNESS

Part Number: FST-6000-6719

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wire Harnesses, Sniper 2 EFI, Tachometer, Input Ignition, Adapter Harness, for CD Ignition Boxes, Each

Part Number: HLY-558-329

Not Yet Reviewed

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Wire Harnesses, Sniper 2 EFI, Adapter for Pro-Billet Distributer or 2-Wire Magnetic pickup Trigger, Each

Part Number: HLY-558-330

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wiring Harness, Elite CAN Adapter Harness, Elite ECU to OBDII Bluetooth/Wireless Module, 72 in. Length, Each

Part Number: HTH-HT-135000

Not Yet Reviewed

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Engine Wiring Harness, HEI Upgrade, 1973 Chevy/GMC Truck, C-10, V/8, 454 C.I, With Auto Trans, With Gauges, Each

Part Number: SUM-RP22807

Not Yet Reviewed

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Wiring Harness, Elite 2000/2500 GM Gen IV LS/LSX, Non-DBW Terminated Harness, Bosch EV6, Each

Part Number: HTH-HT-141365

Not Yet Reviewed

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Forward Lamp Harness, 1982 Chevy/GMC Truck, With Single Headlights, Each

Part Number: SUM-RP22816

Not Yet Reviewed

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Wiring Harness, Elite 2000/2500 GM Gen III LS1/LS6, Non-DBW Terminated Harness, Each

Part Number: HTH-HT-141360

Not Yet Reviewed

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Wiring Harness, Elite 2500 V8 Terminated Harness, Bosch EV1, Chevy Small/Big Block, Ford Small/Big Block, Mopar Hemi, Each

Part Number: HTH-HT-141376

Not Yet Reviewed

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Wiring Harness, Elite 2000/2500 GM Gen III LS1/LS6, DBW Reaady Terminated Harness, Each

Part Number: HTH-HT-141362

Not Yet Reviewed

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Wiring Harness, 1984 Chevy/GMC Truck, Pwr Door Window Harness, 4 Door Models, Passenger Side Rear Door, With Power Windows And Power Door Locks, Each

Part Number: SUM-RP21405

Not Yet Reviewed

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Forward Lamp Harness, 1981 Chevy/GMC Truck, With Dual Headlights, Each

Part Number: SUM-RP22815

Not Yet Reviewed

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