Description
There’s nothing worse than trying to start a cold diesel engine on a frigid morning when you’ve got work to do. Diesel engines are notoriously difficult to start in cold weather because diesel fuel doesn’t ignite as easily as gasoline when temperatures drop, and this heater provides the pre-heat your diesel engine needs to fire up reliably in cold weather. This 400-watt immersion heater screws right into your engine’s 3/4-inch frost plug opening and keeps the coolant warm overnight, so you’re not burning up your starter or battery with endless cranking.
What You’re Getting
- Powerful 400-watt heating element that keeps coolant circulating and engine block warm
- Standard 3/4-inch NPT threads fit most John Deere, Kubota, Belarus, and Massey Ferguson tractors
- 12-inch cord length gives you flexibility for routing to power source
- 120-volt AC operation works with standard household current
- Direct replacement design – no modifications needed
Built for Real Farm Work
This heater fits a wide range of diesel tractors and equipment commonly found around farms and ranches. Whether you’re running utility tractors for daily chores, larger row-crop machines for field work, or compact tractors for livestock operations, keeping that engine warm overnight means reliable starts when the mercury drops and you need to get moving.
Made to Last
Farm equipment has to handle temperature extremes, and this block heater is built accordingly. Quality construction ensures the heater heats up quickly and maintains proper temperature for reliable starting, while the robust design handles the thermal cycling of heating up and cooling down season after season.
Installation Notes
Installation is straightforward – just drain some coolant, remove the existing frost plug, and thread this heater in its place. The 1-inch element length fits standard frost plug openings perfectly. If you need a replacement cord down the road, order part number 191283M1. A quick tip: plug it in a few hours before you plan to start for best results, especially when temperatures are well below freezing.






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