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What Is the Correct Kats Heaters Oil and Coolant Immersion Heater for a 4BT Cummins Engine

Question:

Will this fit a 4bt engine? Everything I find says the oil plug is sized in 18mm

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Expert Reply:

The drain plug size on a 4BT Cummins Engine is indeed M18x1.5. They do not offer a Kat's Heaters Oil and Coolant Immersion Heater for this size but what you can do is obtain the Kat's Heaters Oil and Coolant Immersion Heater part # KH30906 and then get a reducer bushing, M18 to 1/2" which you can source locally.

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Conner L

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