This is the Major Overhaul Kit for the Becker U4.250 pump (Part #33802000000) . It includes everything you need for a complete pump rebuild: gaskets (oil tank, module, filter cover), O-rings (Viton and Buna), shaft sealing rings (2), sealing rings (aluminum, copper, fiber), vanes (3 pieces, GX type), ball bearings (6207, 2 pieces), spider coupling (Rotex GR38), exhaust filters (2), coarse separator, filter cartridge, float assembly, and distance discs (2) . This comprehensive kit brings your U4.250 pump
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