Fuel Injection System Wiring Harnesses

Fuel pressure regulator harness, 6.6L Duramax, Each

Part Number: FLE-S0432

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Extension Harness, Intake Air Temperature, 2013 - 2017 6.7L Cummins, Each

Part Number: FLE-S0397

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Fuel Injection System Wiring Harnesses, Holley EFI, Includes Stealth Ram/TPI Main, Power, Injector Harnesses, for HP, Dominator ECU, Chevrolet, Kit

Part Number: HLY-558-503

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, LS2, Kit

Part Number: PRF-60520

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Wiring Harness, Fuel Injection, GM, TPI, Front Mount Fuse Block, Spade Fuse, Extra-Long Harness, Universal, Kit

Part Number: PRF-60203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Fuel pump harness, Dual CP3, Cummins, Each

Part Number: FLE-FPE-CP3X2

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Wiring Harness, Fuel Injection, Emission Harness, Multi-Port, Mass Airflow, Chevy, Pontiac, 5.7L, V8, Each

Part Number: PRF-60312

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Wiring Harness, Pro Series, GTO LS1, 4L60E Auto Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UG4L60

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Fuel Injection Wiring Harness, Pro Series, T56, Chevy, Each

Part Number: WRS-PROLS3UNIT56

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Fuel pressure regulator harness, Bosch CP3 regulator, Duramax, Each

Part Number: FLE-S0398

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2026 if ordered today

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• Special Order

Wiring Harness, Gen III Vortec, Chevy, Small Block, Each

Part Number: PRF-60322

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Wiring Harness, EGR Adapter Harness, Chevy, Each

Part Number: PRF-60119

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Wiring Harness, EFI, Speed Density, GM Ram Jet, Kit

Part Number: RFW-RJ42

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Wiring Harness, Gen III Vortec, Chevy, Small Block, LS1, Each

Part Number: PRF-60324

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Wiring Harness, Pro Series, 2004 GTO LS1, T56 Manual Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UGT56

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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