JLG Parts Glow Plug for use in Numerous JLG Boom and Scissor MEWP(Mobile Elevated Work Platform) and a select few Telehandlers implementing the Deutz Model 2011 Engine. These Glow Plugs aid in the starting of the motor in colder conditions. Model Use: JLG Machines with a Deutz Model 2011 Engine Installed. Please ensure proper model and serial number before parts purchase.