1-Wire Pigtail Coolant Temperature Sensor Connector - Compatible with Coolant Temperature Switch Pigtail for Gauge Temp Sending UnitAbout this item 1 Wire Coolant Temperature Switch Connector Pigtail compatible with various vehicles from 1992 to 2003, including the LT1 Camaro and Firebird. Compatible with vehicles such as LeSabre, Park Avenue, Regal, Roadmaster, Astro, Blazer, Impala, and many more. Works with the gauge temperature sending unit OE 25037332 (also searched as 21377). This is the 1-wire sender used across 1992–2003 vehicles, including the LT1 Camaro/Firebird and various other cars and trucks. Wire Harness Length: 16CM Product dimensions: 3.19 x 2.36 x 0.71 inches.