Description
When winter mornings turn your reliable Massey Ferguson into a cranky mule that won’t fire up, that worn-out heater plug is usually the culprit keeping you from getting to work when every minute of daylight matters. This replacement heater plug gets you back to reliable starts instead of endless cranking that wears out your starter and drains your battery while you’re burning daylight.
What You’re Getting
- 12-volt heater element that provides the pre-heat your diesel engine needs to fire up reliably in cold weather
- Direct replacement design that threads into your original heater plug location
- Quality construction built to handle the thermal cycling of heating up and cooling down season after season
- Working heater plugs also reduce the white smoke and rough running that occurs when diesels start cold
Built for Real Farm Work
These Massey Ferguson tractors are workhorses found on farms everywhere—from the compact 3400 series perfect for feeding livestock and mowing to the bigger 6400 series machines that handle serious field work. Whether you’re running a loader, pulling implements, or doing daily chores, these tractors often operate in challenging weather conditions where reliable cold-weather starting is essential for keeping your operation moving.
Made to Last
Heater plugs are essential components that enable diesel engines to start reliably in cold conditions by pre-heating intake air to support proper combustion. This plug handles the extreme temperature swings and repeated heating cycles that come with diesel engine operation, maintaining proper heating performance through thousands of start cycles.
Good to Know
Before you install, make sure the engine’s cool and disconnect the battery to prevent shorts. Clean the threaded port thoroughly to remove carbon deposits that could affect proper seating. Don’t overtighten—these seal with precision, not brute force. Test the heater plug operation after installation by watching your dashboard indicator light before that next cold snap hits.






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