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Engine Heaters

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

Recommended Engine Heaters

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.
Zerostart

Tank Type, 400W

+400W heater output for engine block warming
+28mm size for a specific plug fitting
+CSA certified for 120 volt use
−Tank type design, not a freeze plug style
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, 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.
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.
Zerostart

Tank Type, 400W

+120V operation for standard household outlets
+400W output for steady engine heating
+35mm plug size listed for installation
No price recorded yet.
Zerostart

Tank Type, 400W

+Immersion design heats coolant from inside the block
+400W output for engine warming
+38mm diameter fits a matching 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.

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