Attached to the engine cylinder block, the engine coolant heater plugs into a 120-V electrical outlet to warm the engine for fast cold-weather starts. NOTE: It is recommended to install optional engine coolant heater, transmission oil heater, and battery heating pad if operating machine in temperatures below -18 ⁰C (0⁰F).

• Temperature (unity): 180.0000 Outside Diameter: 2.1250" Fit Diameter Maximum: 1.8618" Fit Diameter Minimum: 1.5500" Stroke: 0.2598" Depth: 1.3425" Height: 0.6394"