GM AC Delco L5P DURAMAX DIESEL 6.6L GLOW PLUG 2017-2021 - 68G

Direct Replacement for 2017-2021 L5P Duramax. AcDelco # 68G *Does Not Come with Glow Plug Nut *

Faulty glow plugs can result in hard starting and check engine lights. The L5P platform has proven to be hard on glow plugs. If your experience issues relate to glow plugs we recommend you replace them with the most current GM versions.