Solenoids

Reliable switching, every time. Simms Diesel supplies stop solenoids, fuel shutoffs, starter solenoids, and timing actuators for a wide range of diesel engines and machinery.

From classic mechanical systems to modern ECU-linked units, our solenoids cover common brands like Bosch, Lucas, Yanmar, Kubota, CAT, Cummins and more. Whether you’re wiring up a genset, marine engine or tractor, we’ll match the right unit by spec, voltage, or mounting style.

In stock, tested, and ready to ship NZ-wide.