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GM Genuine Glow Plugs

GM Genuine Glow Plugs are specially designed to give diesel engines the heat they need for cold starts, and are a high quality replacement ideal for many vehicles on the road today. They maintain ignition in all cylinders, optimizing throttle response.  FEATURES & BENEFITS Designed to give diesel engines the heat they need for cold starts GN-type regulating coil Self-regulating to control electrical flow from the battery as temperatures rise to avoid overheating Full range of reaches – from 21 mm to 40 mm – to meet chamber requirements in a wide variety of applications

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