Nationwide product support SUMMER20Summer Sale deals live now Free U.S. shipping over $99

Fast USA delivery FREEFree shipping on qualifying orders Tracked delivery

Real specialist support FSPPerformance parts from trusted brands Genuine parts only

Summer sale live nowSALE Grab ongoing Summer Sale deals Limited time only

Delivery & returns

Free USA shipping on qualifying ordersMon–Fri, 9:00 AM–5:30 PM ET

FULL SEND PARTSPerformance without compromise

Wishlist0

American performance collection

Wiring Harnesses.

Refine your build

Fitment status

Verified vehicle fitment

Universal fit

Fitment review required

Fitment not verified

Supplier availability

In stock

Available from supplier

Department

Product attributes

Special order

Clearance

CARB status

Not CARB approved

Acknowledgement required

No CARB restriction indicated

Product type

Brand

Sort by

Clear

SPAL 185 Degree Thermo-Switch

SPAL

SPAL 185 Degree Thermo-Switch

$44.94 $52.88

SPAL Fan Harness With Relay

SPAL

SPAL Fan Harness With Relay

$62.23 $88.91

SPAL 195 Degree Thermo-Switch/Relay & Harness

SPAL

SPAL 195 Degree Thermo-Switch/Relay & Harness

$105.17 $147.09

SPAL 185 Degree Thermo-Switch/Relay & Harness

SPAL

SPAL 185 Degree Thermo-Switch/Relay & Harness

$105.17 $139.11

Kooks 19-20 Ram 1500 SXT O2 Extension Harness

Kooks Headers

Kooks 19-20 Ram 1500 SXT O2 Extension Harness

$27.68 $30.76

Radium Engineering Internal Harness Walbro GSS Style Pump with Ring Terminals

Radium Engineering

Radium Engineering Internal Harness Walbro GSS Style Pump with Ring Terminals

$16.10 $16.95

FAST Injector Adapter Kit 60lb/hr 102mm Manifold

FAST

FAST Injector Adapter Kit 60lb/hr 102mm Manifold

$29.95

Radium Engineering 10in Fuel Pump Connector Harness - Walbro E85

Radium Engineering

Radium Engineering 10in Fuel Pump Connector Harness - Walbro E85

$16.10 $16.95

Kooks 2016 Chevrolet Camaro SS O2 Extension Kit - 10in Front Left Ext Wire - 8in Rear Left Ext Wire

Kooks Headers

Kooks 2016 Chevrolet Camaro SS O2 Extension Kit - 10in Front Left Ext Wire - 8in Rear Left Ext Wire

$68.71 $76.34

GReddy Nissan 180SX Intake Manifold Badge

GReddy

GReddy Nissan 180SX Intake Manifold Badge

$20.90 $22.00

Image coming soon for Akrapovic Cable/Wire Harness for Valve Control (for S-AU/TI/6H)

Akrapovic

Akrapovic Cable/Wire Harness for Valve Control (for S-AU/TI/6H)

$24.39

Westin 14ft long 14 gauge LED Wiring Harness - Black

Westin

Westin 14ft long 14 gauge LED Wiring Harness - Black

$120.00

Westin 11ft Length 12 Ga Incl 30 Amp Fuse w/ Loom & Single Connector LED Wiring Harness - Black

Westin

Westin 11ft Length 12 Ga Incl 30 Amp Fuse w/ Loom & Single Connector LED Wiring Harness - Black

$106.25

Westin 11ft Length 14 Ga Incl 15 Amp Fuse w/ Loom & Single Connector LED Wiring Harness - Black

Westin

Westin 11ft Length 14 Ga Incl 15 Amp Fuse w/ Loom & Single Connector LED Wiring Harness - Black

$80.00

Westin 2014-2018 Ram Truck/SUV Sensor Relocator - Polished

Westin

Westin 2014-2018 Ram Truck/SUV Sensor Relocator - Polished

$122.99 $153.75

Westin 2014-2018 Chevrolet/GMC Truck/SUV Sensor Relocator - Polished

Westin

Westin 2014-2018 Chevrolet/GMC Truck/SUV Sensor Relocator - Polished

$122.99 $153.75

Westin 2014-2018 Ram Truck/SUV Sensor Relocator - Black

Westin

Westin 2014-2018 Ram Truck/SUV Sensor Relocator - Black

$107.99 $135.00

Westin 2014-2018 Chevrolet/GMC Truck/SUV Sensor Relocator - Black

Westin

Westin 2014-2018 Chevrolet/GMC Truck/SUV Sensor Relocator - Black

$107.99 $135.00

Westin Step Board Wiring Harness Kit 1/pkg - Black

Westin

Westin Step Board Wiring Harness Kit 1/pkg - Black

$195.00

Image coming soon for HKS TP5 - 4F - CON V Harness

HKS

HKS TP5 - 4F - CON V Harness

$360.00

Image coming soon for HKS F-CON Harness NP5-21

HKS

HKS F-CON Harness NP5-21

$720.00

Image coming soon for HKS F-CON Harness NP5-16

HKS

HKS F-CON Harness NP5-16

$610.00

Image coming soon for HKS F-CON Modification Harness 2.5m

HKS

HKS F-CON Modification Harness 2.5m

$250.00

Image coming soon for HKS TIMER HARNESS ZT-2

HKS

HKS TIMER HARNESS ZT-2

$20.00