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Wiring Harness Adapters and Extensions

Individual Parts

Results 101 - 125 of 142

Diesel Fuel Injection and Glow Plug Inner Harness

Part Number: RNB-904-200

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

IGN ADAPTER HARNESS, GM LT1 LONG CONNECT

Part Number: FST-301304

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

IGN ADAPTER HARNESS, BUICK V6 (EARLY)

Part Number: FST-301307

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Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

FAST LS2/LS7 CRANK PICKUP ADP.HARNESS

Part Number: FST-301416

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

4 WIRE - PASS THRU - 3/8 NPT THREAD - SEALED - NO CONNECTORS - 10 IN OAL

Part Number: ATI-940871

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

Mass Air Meter Wiring Adapter -- 1986-1995 Mustang conversion to 2005-2010 Slot Style MAF Sensor

Part Number: JMS-J86950510

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

Holley EFI 60" Power Harness Wire Extension

Part Number: ICB-WEHLY01-60

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 Adapter Harness Mass Air MAF LS Gen 4 Truck Card Style to LS3 Card Style

Part Number: ICB-WAMAF41-6

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wire Extension Harness Allison Transmission (2007+) Transmission

Part Number: ICB-WETRA40-12

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

Extension Wire M8 3-Pin 5m

Part Number: DOD-DD4139

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

WIRING HARNESS, FAST UNIVERSAL

Part Number: FST-307040

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

WIRING HARNESS W/RELAY, FAST SEQ 4-CYL

Part Number: FST-307041

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

HID Adapters: Euro: H7 (Pair)

Part Number: MRI-A90

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

Wiring Harness, Valve Cover Conversion Harness, 4-Pin Injector to 6-Pin Injectors, Plug-n-Play, Dodge, Ram, 5.9L, Cummins, Each

Part Number: FLE-S0511

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

4 WIRE - PASS THRU - FOR OEM KICK DOWN HOLE W/ 3/8TH NPT THREAD - SEALED - 10 IN OAL - NO CONNECTORS

Part Number: ATI-940874

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

Wiring Pigtail, Top Feed Injector, Male and Female, 2-pin, Set of 50

Part Number: DWK-CONNUSJTCS

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Extension Wire M8 3-Pin 1m

Part Number: DOD-DD4137

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

MAP Sensor Adapter, COBB Subaru MAP Sensor Adapter - Cast Manifold WRX/STI/FXT

Part Number: CBT-A12600

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

IGNITION ADAPTER, FAST HALL EFFECT

Part Number: FST-301301

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

12" Plug-In Wiring Extension - 3-Pin Deutsch (DT) Connector

Part Number: KCC-30550

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

Mass Air Meter Wiring Extension -- 1996-2004 Mustang 4 & 6 pin MAF

Part Number: JMS-J9604EXT

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

Wiring Harness Adapter 6" Ls Gen 4 (IV) Vehicle to Hellcat Map Sensor

Part Number: ICB-WAMAP901-6

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

LS Gen 4 & LT Gen 5 Knock Sensor Wire Extension Harness 36"

Part Number: ICB-WEKN040-36

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 Extension 24" Hellcat MAP Manifold Absolute Pressure Sensor Connector

Part Number: ICB-WEMAP901-24

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 Pigtail LS Alternator 4 Pin 72"

Part Number: ICB-WPALT32

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