Wacker Neuson  5000051451 - Pump Side Coupling, 4" 

Wacker Neuson Pump Side Coupling. This 4-inch pump side coupling is designed for reliability and long term use wherever you need it. With its robust construction, corrosion resistance, this pump side coupling will be a dependable addition to your equipment. It features a four segment configuration that offers maximum strength and mechanical stability. An elastomeric seal ensures tight salability between all connection points as well as protection against intense pressure variations. The quality, reliability, flexibility and adaptability of this pump side coupling makes installing it in any environment quick and easy.