glow plug glow plug









glow plug

glow plug


noun Automotive, Machinery.

  1. a device for each cylinder of a diesel engine with a heating element to heat the incoming fuel and air so that combustion will take place more readily when the engine is cold.

noun

  1. one of usually four plugs fitted to the cylinder block of a diesel engine that warms the engine chamber to facilitate starting in cold weatherAlso called: heater plug
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