This is the Major Overhaul Kit for the Becker U4.20 pump (Part #33805600000) . It includes everything you need for a complete pump rebuild: O-rings, gaskets, shaft seals, exhaust filter, bearings, coupling components, vanes (3 pieces), and float assembly . This “Complete Rebuild Kit” brings your U4.20 pump back to factory specifications and is designed for when your pump requires more attention than standard maintenance to make it run like new again
This is the Seal & Gasket Kit for the Becker U4.20 pump (Part #54900040300) . It includes every gasket, O-ring, sealing ring, and valve washer you need for a complete seal replacement on your oil-lubricated U Series pump . This Becker Original Gasket Set allows you to change all gaskets and seals in the U4.20 pump . The kit contains gaskets (00310040300, 00300040300), O-rings (Viton and Buna in various sizes), copper and aluminum sealing rings, fiber sealing rings, Dowty seals, and valve washers .
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