One New Aftermarket Tech Info:-Arrowhead: CH7493; Cole Hersee: 7493, 7493BX; Navistar: ZN7493BX-: Rotary Rheostat Switch@ Ceramic Insulator with Imbedded Coil@ 8 Ohm Resistance@ 2 Threaded Tabs with Screws for Wire Connections, ANTI-RESTART: FALSE, LIGHTED: FALSE, MOMENTARY: FALSE, MOUNTING: 7/16-28 Threaded Stem, NO OF TERMINALS: 2, PACKAGING: Box, SELF GROUNDING: FALSE, VOLTAGE INPUT: 12V, WEATHER SEALED: FALSEReplaces Part Numbers: CHS-7493BX