Ram and Cummins finally kicked the grid heater for 2025 model-year trucks, and while you might think it’s a reliability decision, they say it’s for a different reason. It’s true that more ...

These include OEM replacement parts as well as upgrade kits ... Cummins owners have considered simply removing the grid ...

Since its inception, the Cummins 6.7L engine has used traditional grid heaters. These grid heaters have worked well on most Cummins 6.7L engines over the years. The primary reason for existing Ram ...