Description
HOTSTART in-block engine heater, part TF401-001. Installs directly into a core (freeze) plug, threaded plug or plate opening in the engine block to heat the coolant for faster cold starts, reduced engine wear and lower start-up emissions. Supplied complete with a 2-wire w/ground 6 ft (1.8 m) HPN cord and plug.
- Wattage: 400 W
- Voltage options: 120 V
- Engine makes: Isuzu, Kubota, Yanmar
Engine applications: Isuzu 4BD1, 6HE1, 6BD1, 6SA1, 6BG1; Kubota B/L/M Series (D905, D1005, D1105, D3000B, D3200B, DH905, DH1005, V1205, V1305, V1505, V4000B, V4300B, VH1205, VH1305); Yanmar 3T72HLE, 4TN82E, D4T, YYDXL4.41.
Installation / fitment: Isuzu: Replaces 1″ NPT plug on left rear of engine. Kubota: Replaces 1″ NPT plug on left front of engine. Yanmar: 1″ NPT. No replacement cord available.





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