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Engine Heaters

29 engine heaters from Zerostart, KAT'S, Fexhull and more.

Recommended Engine Heaters

Fexhull

Freeze Plug Type, 200W

+Runs on standard 120V household power
+200W output for engine block warming
+Freeze plug type fits a plug-style opening
−Only 200W output for larger engines
No price recorded yet.
Mtsooning

Freeze Plug Type, 1000W

+1000W output for larger engine warming
+3/4-inch NPT thread for a threaded port
+Freeze plug type fits a plug-style opening
−Requires 120V power supply
No price recorded yet.
BMI

Freeze Plug Type

+32mm freeze plug size for a direct block fit
+Compatible with Kubota K, KX, L, Grand L, M, and U series
+Freeze plug design installs in place of the original plug
−Only fits engines that use a 32mm freeze plug opening
No price recorded yet.
Cikroci

Freeze Plug Type, 400W

+400W output for engine block heating
+Magnetic design for mounting on a freeze plug
+Suited to agricultural and vehicle engines
−Magnetic mounting depends on a steel or iron engine block
No price recorded yet.
KAT'S

Freeze Plug Type, 600W

+600W output for engine block warming
+Fits a 3/4 inch NPT freeze plug opening
+Freeze plug design installs in the engine block
−Freeze plug type requires engine block installation
No price recorded yet.
Zerostart

Freeze Plug Type, 750W

+3/4-inch NPT thread for freeze plug installation
+CSA approved for safety certification
+120 volt operation for standard household outlets
−Freeze plug type requires a plug to be removed first
No price recorded yet.
Wqnugx

Freeze Plug Type, 1500W

+High 1500W output for large engine warming
+Runs on standard 120V household power
+Freeze plug type fits a plug-style opening
No price recorded yet.
Diydeg

Freeze Plug Type, 500W

+500W output for faster engine coolant heating
+120V operation for standard household outlets
+Self-circulating design moves coolant through the heater
No price recorded yet.
KAT'S

Freeze Plug Type, 400W

+400W output for engine block heating
+40mm frost plug size for a direct block fit
+Frost plug design installs in place of the original plug
−Only fits engines that use a 40mm freeze plug opening
No price recorded yet.
KAT'S

Freeze Plug Type, 400W

+400W output for engine block heating
+1-inch NPT thread for a threaded port installation
+Threaded design seals into a tapped engine port
−Only fits engines with a 1-inch NPT port
No price recorded yet.
KAT'S

Freeze Plug Type, 400W

+400W output for engine block heating
+3/4-inch NPT thread for a threaded port installation
+Threaded design seals into a tapped engine port
−Only fits engines with a 3/4-inch NPT port
No price recorded yet.
KAT'S

Freeze Plug Type, 400W

+400W output for engine block heating
+3/4-inch NPT thread for a threaded port installation
+Threaded design seals into a tapped engine port
−Only fits engines with a 3/4-inch NPT port
No price recorded yet.
KAT'S

Freeze Plug Type, 400W

+400W output for engine block heating
+30mm frost plug size for a direct block fit
+Frost plug design installs in place of the original plug
−Only fits engines that use a 30mm freeze plug opening
No price recorded yet.
Zerostart

Freeze Plug Type, 600W

+Freeze plug design sits directly in the engine block
+600W output for faster engine warming
+CSA certified for safety compliance
−Requires a 1.5-inch freeze plug opening to install
No price recorded yet.
Zerostart

Freeze Plug Type, 400W

+Freeze plug design installs into the engine block
+400W output for engine warming
+Uses a 3/4-inch NPT thread for fitting
−Requires a 0.75-inch opening for installation
No price recorded yet.
Usvehj

Freeze Plug Type, 400W

+400W output with 120V power
+1-inch NPT brass adapter for a threaded port
+Freeze plug type fits a plug-style opening
No price recorded yet.
Dreamdragon

Freeze Plug Type, 1000W

+1000W output for larger engine warming
+Runs on 120V household power
+27mm thread for a metric threaded port
No price recorded yet.
Reliable Aftermarket Parts

Freeze Plug Type, 400W

+120V operation for standard household outlets
+400W output for steady engine block heating
+Frost plug type installs in the engine block opening
No price recorded yet.
KAT'S

Freeze Plug Type, 600W

+600W output for faster engine block warming
+Freeze plug type fits a 41mm plug opening
+Frost plug design installs in a freeze plug hole
No price recorded yet.
Waltyotur

Freeze Plug Type, 200W

+200W output for a magnetic engine block heater
+Freeze plug type fits engine block freeze plug holes
+Magnetic design for quick installation
No price recorded yet.
Zerostart

Freeze Plug Type, 600W

+Freeze plug design sits directly in the engine block
+600W output for faster engine warming
+Sized for a 45mm freeze plug opening
No price recorded yet.
Zerostart

Freeze Plug Type, 400W

+400W heater output for engine block warming
+35mm freeze plug size for direct block fitting
+Freeze plug design installs in an engine block opening
No price recorded yet.
Zerostart

Freeze Plug Type, 400W

+400W heater output for engine block warming
+1-inch NPT thread for a standard pipe fitting
+Freeze plug design installs in an engine block opening
No price recorded yet.
Zerostart

Freeze Plug Type, 600W

+600W heater output for engine block warming
+1.25 inch size for a specific plug fitting
+CSA certified for 120 volt use
No price recorded yet.
Zerostart

Freeze Plug Type, 1500W

+1500W heater output for faster block warming
+1-inch NPT thread for a standard pipe fitting
+Freeze plug design installs in an engine block opening
No price recorded yet.
HFM

Freeze Plug Type

+Kit includes a freeze plug heater for Detroit Diesel engines
+Compatible with multiple Detroit Diesel 6V, 8V, 12V, and 16V models
−Freeze plug design requires removing the original plug to install
No price recorded yet.

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.