The Maxon 4-Post Upright Start Solenoid is the perfect solution for reliable starting of heavy duty equipment. Its four-post design provides a secure connection to the battery and starter, while its compact size makes installation and maintenance easy. It is also designed to withstand harsh environments and has built-in protection against voltage spikes and reverse polarity. This solenoid is the perfect choice for any heavy duty application. FleetPride is your First Click in Heavy Duty®.