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Index Temperature Sensors

Founded in 1976, Index Heavy-Duty Temperature Sensors & Controls are a leading manufacturer of switches, sensors, and controls for the commercial truck, engine, agricultural, off-road, and industrial equipment markets. Their products monitor, control, and protect some of the world’s toughest equipment. 

Index Heavy-Duty Temperature Sensors & Controls’ manufacturing facility and headquarters are located in Arlington, Washington 45 miles north of Seattle on the I-5 corridor. They are a supplier for a wide range of specialty OEMs, all makes of class 8 trucks, and some of the world’s most demanding equipment manufacturers, including John Deere, Cummins, and Caterpillar. They continue to expand their focus on helping industrial vehicle manufacturers, equipment OEMs, and end-users to add innovation and efficiency to their products.

Quality USA Made Products


Index Sensors - Catalog