The glow plug is part of the glow system for diesel engines and is controlled by the glow control unit. In addition to ceramic glow plugs, Bosch offers glow plugs with metal heating elements. Both convert the supplied electrical energy into heat energy.
due to a very short heat-up time
at high heating temperatures of up to 1,350 °C
due to low power consumption
Drag to rotate
Ceramic glow plugs offer maximum starting comfort and improve the cold start performance of the diesel engine. The glow plugs ensure an optimal post, intermediate and regeneration heating for maximum efficiency.
Ceramic heating element
Protective tube
Centre electrode
Housing
Insulating washer
Pin terminal
The glow plug is integrated in the cylinder head of the engine. The heating element is positioned as close as possible to a jet of fuel from the injector to ensure reliable ignition of the mixture. The glow plugs are controlled by the electronic diesel control or a glow control unit and optimize the combustion process during the cold start phase of the diesel engine.
The glow plug also operates reliably at maximum operating temperature and under the highest mechanical loads. The flexible design, the geometry of the heating element and the mounting in the protection tube reduces the risk of breakage significantly also at strong lateral forces.
Max. heating temperature
Heat-up time to 1,000 °C
Nominal voltage
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