A glow plug is a small piece of metal, with a heating element at the end. It is designed to start a Diesel engine. A glowplug is designed to warm up fuel to the temperature required to begin combustion. Our range of glowplugs for sale are capable of getting a Diesel generator ready to go in as little as 2-8 seconds! PowerMark stocks multiple top-quality, UK-manufactured glowplugs for sale from CPS. Constant Power Solutions are renowned for offering the greatest quality glowplugs at their price, so browse our range below for the perfect glowplugs for your Diesel generator’s needs today.