Patent ID: 7775187

Claim:
A glow plug, comprising: a glow plug body ( 2 ) formed of a first material with a threaded portion ( 6 ) formed on an outside of the glow plug body ( 2 ); a glow plug head formed of a second material connected to a first end of the glow plug body ( 2 ), an exterior of the glow plug head forming a gripping means ( 12 ); a finger ( 4 ) extending from an opposite second end of the glow plug body ( 2 ); and a pressure sensor ( 10 ) arranged inside the glow plug head; wherein the gripping means ( 12 ) of the glow plug head has a generally of cylindrical form with a hexagonal section, the gripping portion being grippable to turn the glow plug in a corresponding tapping, and wherein the second material of the glow plug head is a synthetic material.