53A Male Stem Support July 24, 2020 View cart “21197 Pump retrofit bypass kit for G550” has been added to your cart. $34.00 53A Male Stem Support quantity — OR — Add to Cart Category: Parts Description Resources Description The male stem support (53A) is compatible with Herkules Paint Gun Washers. Related products 21155 Pump retrofit bypass kit for G520 $195.00 Add to Cart 54P1 Plastic Nozzle $18.00 Add to Cart 12509 Air Cap Assembly $67.00 Add to Cart 21350 Pump assembly water side for G520 $968.00 Add to Cart