501 Commander Helm Unit
501 model helm unit is a unique 7-piston pump for leisure boat users. 28cc/rev
The unique 7-piston pump has a highly efficient combination of features designed to provide maximum performance and longevity for leisure boat users. It is not designed for commercial or large HP outboards.
Model 501N8 1.7Cu”/rev 28cc/rev helm unit to 3/8″ nylon tubing
Model 501N12 1.7Cu”/rev 28cc/rev helm unit to 1/2″ nylon tubing