The Weber 2400348 Grill Glow Plug Threaded M4 X 0.7 PG 23 BB helps provide the required ignition heat in compatible Weber grill systems, supporting reliable starting and operation. Designed with M4 x 0.7 threading, this component fits into its designated mounting position to perform its intended heating function. It is a practical replacement for a worn, damaged, or faulty glow plug t... https://www.wholetoolbox.com/weber-2400348-grill-glow-plug-threaded-m4-x-0-7-pg-23-bb/2400348.html