[result]Glow Plug 8-98290-755-0 for Isuzu 4JJ1 4HK1 – Scheduled Maintenance[/result]
Glow Plug 8-98290-755-0 for Isuzu 4JJ1 / 4HK1, New Aftermarket — replacement for cold-start systems in NPR, FTR, FVR and W-series commercial trucks. Scheduled replacement before cold season prevents staggered failures and repeat shop visits across the fleet Replace as a matched set to maintain uniform heat range and service life on all cylinders Check relay and timer module during service to address root cause of premature plug wear Maintenance interval guidance supplied with each order to support fleet planning.