LS/LT Coolant Temperature Sensor - 48" Wire Extension Harness Fits: LS/LT Gen 3, 4, and 5 Coolant Temperature Sensors 1999-2018 Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Every assembly is individually hand-tested to ensure it exceeds OEM standards Used to extend factory harness when relocating coolant temperature to non-factory location Compatible with GM (Gen III, IV, & V) LS/LT series engines sensors (does not fit 1997 Corvette or 1998 Camaro with 3 wire sensor, or 2019+ L87 Sensor) Package includes: 1 wire extension harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness wire colors) Don't take a chance with cheap wire connectors, that use poor quality (wire, crimps, twisted/bent/unseated terminals) and have conductivity issues that will cause your engine to run poorly and be difficult to diagnose.