Gen 3 oxygen sensor extension harness (4 wire square grey)

APPLICATION: 03 - 07 LS/Vortec engines (4 pin square grey connector)

ADDITIONAL ITEMS REQUIRED: ACC-1002

PARTS INCLUDED: Includes 1 plug and play O2 sensor extension harness.

NOTES: Extensions are for use with Gen 3 03 - 07 LS/Vortec Engines. Allows plug-in solution requiring no harness modification. All extensions are made from high-temp TXL (Cross Linked Polyethylene) wire and genuine GM Delphi components. All these extension harnesses are 18-inches in length and are direct plug and play.

Gen 3 98 - 03 O2 sensor uses HAR-1010. Gen 4 2007+ uses O2 sensor HAR-1034. Gen 5 2014+ uses O2 sensor HAR-2015.

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA and are 100% Computer Quality Tested. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion!

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Gen 3 oxygen sensor extension harness (4 wire square grey)

Gen 3 oxygen sensor extension harness (4 wire square grey)

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