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Wiring Harness Adapters and Extensions

Individual Parts

Results 26 - 50 of 82

Extension Harness, MAF/IAT Breakout, Chevy, Pontiac, Each

Part Number: CEI-108165

5.0 out of 5 stars ( 4 )

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Wiring Pigtail, Top Feed Injector, Male and Female, 2-pin, Each

Part Number: DWK-CONN-US-JT

5.0 out of 5 stars ( 2 )

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Harness Adapter, Nexus Rebel LS, Cable Operated, TPS, IAC, Chevrolet, LS, Each

Part Number: HTH-HT-186504

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Wire Harness Adapter 6 in. LS Gen 4 (IV) Vehicle to Gen 3 MAP Sensor LS1 LS3 LSA

Part Number: ICB-WAMAP40-6

5.0 out of 5 stars ( 1 )

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Wiring Pigtail, Fuel Injector, Early to Late GM TPS, Each

Part Number: FST-308030

5.0 out of 5 stars ( 2 )

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Wire Harness Wire Harness Adapter for USCAR EV6 to Denso Bosch Fast Fuel Injector

Part Number: ICB-WAINJ42

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Throttle Body Adapter Harness, 8-Pin LS1 Harness to 6-Pin LS2 Throttle Body Plug, Each

Part Number: TSN-81032

4.0 out of 5 stars ( 2 )

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Harness Adapter, Early to Late GM TPS, Each

Part Number: FST-308022

5.0 out of 5 stars ( 4 )

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Wiring Harness, Fuel Injector Adapter, Jetronic/EV1 Harness, Denso/Bosch Fuel Injector, Set of 8

Part Number: ICB-WAINJ34

5.0 out of 5 stars ( 1 )

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Map Sensor Adapter, Convert LS Gen III Map Sensor Harness to Gen IV LS Bosch Style Sensor, Nexus Rebel, Chevrolet, Each

Part Number: HTH-HT-186511

5.0 out of 5 stars ( 1 )

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Fuel Injector Connector Adapter, USCAR/EV6 Injector, Jetronic/Minitimer/EV1 Harness, Each

Part Number: CEI-109077

4.0 out of 5 stars ( 6 )

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Adapter, Gen 5 Crankshaft Position Sensor to LS Gen IV Harness, Each

Part Number: ICB-WACKP41-6

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Opti Spark Adapter Harness, Chevy, Pontiac, 5.7L LT, Each

Part Number: CEI-108161

4.0 out of 5 stars ( 2 )

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MAF Adapter Cables, Harness Adapter, Black, Plastic, Each

Part Number: SCL-2901

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Fuel Injector Connector Adapter, USCAR/EV6 Injector, Jetronic/Minitimer/EV1 Harness, Set of 8

Part Number: FST-170604-8

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Adapter LS Gen IV Crankshaft Position Sensor to Gen III Harness - 6

Part Number: ICB-WACKP30-6

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Map Sensor Adapter, Convert LS1/LS2 Map Sensor to LS3 Sensor, Harness Adapter, Chevy, LS, Each

Part Number: TSN-81033

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Fuel Injector Connector Adapter, USCAR/EV6, Denso Type A, Each

Part Number: IJD-90-3

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Opti Spark Adapter Harness, Chevy, 5.7L LT, Each

Part Number: CEI-108199

5.0 out of 5 stars ( 1 )

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Harness Adapter, Nexus Rebel LS, DBW, 6-Pin, Chevrolet, LS, Each

Part Number: HTH-HT-186505

Not Yet Reviewed

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Mass Air Meter Wiring Extension/Adapter -- GM LS1 conversion to LS3/LS7 MAF Sensor with IAT

Part Number: JMS-JLS1LS3AD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Harness Adapter, MAF, 9.5 in. Wire Length, LS1 MAF To LT1 Engine, Each

Part Number: CEI-108100

5.0 out of 5 stars ( 3 )

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Wiring Harness Adapter, Fuel Injector Plug Adapter, Bosch EV6/USCAR 2-pin, Bosch EV1 2-pin, Each

Part Number: BTC-EV1EV61

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Map Sensor Adapter, Convert LS Gen III Map Sensor Harness to 3-Bar Brick Style Sensor, Chevrolet, Each

Part Number: ICB-WAMAP30-6

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LS LT Starter Solenoid Wire Adapter

Part Number: ICB-WASTR40

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