338 Pump


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The 338 diaphragm pump powers most of our current Herkules Paint Gun Washers. This powerful device can also be retro-fitted to many older Herkules paint gun washers; if only a replacement pump is needed, order this pump buy selecting “Add to Cart.”

If retrofitting the 338 pump into a unit that currently uses an older Herkules pump, please order the pump kit that contains not only the pump, but also the components needed for easy installation. For help determining the correct kit, scroll down to each kit and it’s explanation, or visit our Frequently Asked Questions page for detailed information.