• Major Overhaul Kit – Becker U 4.190 E $1,066.10

    This is the Major Overhaul Kit for the Becker U4.190E pump (Part #33801800-E0) . 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 pieces), 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 pieces) .

  • Major Overhaul Kit – Becker U 4.250 F $1,200.50

    This is not just a filter change kit. This is a full rebuild kit. Becker engineers designed it to include every part that wears out over time. Here is what you get :

    • A full set of vanes (3 plastic vanes) – these are the moving parts inside the pump 

    • Bearings (2 ball bearings, type 6207) – for smooth rotation

    • Complete gasket set – stops all oil leaks

    • Coupling disc (spider coupling) – connects the motor to the pump

    • Oil separating element (2 pieces) – stops oil from leaving with the air 

    • Oil filter cartridge – keeps the oil clean

    • Coarse separator – first stage of oil separation

    • Float assembly – controls oil return

    • Shaft seal rings – prevent oil leaks along the shaft

    • Distance disc – for proper bearing spacing

    • All O-rings and sealing rings – copper, aluminum, and viton seals for every connection

  • Major Overhaul Kit – Becker U 4.630 D $2,447.30

    This major overhaul kit has everything you need for a complete rebuild. It includes bearings, vanes, seals, and gaskets. Using this kit restores your pump like new and saves you from buying a whole new machine.

  • Major Overhaul Kit – Becker U1.65 F $1,200.50

    This is the Major Overhaul Kit for Becker U1.65 F pumps (Part #33801600-F0) . It includes everything you need for a complete pump rebuild: bearings, seals, gaskets, o-rings, vanes, distance discs, and more . Designed specifically for the Becker U1.65 F oil-lubricated rotary vane vacuum pump .

  • Major Overhaul Kit – Pfeiffer DUO 1.6 / DUO 3 $333.20

    This is the Pfeiffer Part# PKE02070T Major Overhaul Kit for the DUO 1.6 and DUO 3 vacuum pumps . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, shaft seal, coupling, sight glass, and more . Following Pfeiffer’s recommended 4-year maintenance schedule, this kit restores your pump to like-new condition.

  • Major Overhaul Kit – Pfeiffer Duo 10 $529.20

    This is the Pfeiffer Part# PKE32001T Level 3 Major Overhaul Kit for the Duo 10 and Duo 10M vacuum pumps . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals (O-rings), springs, valves, sight glass, coupling, and all wearing parts . Following Pfeiffer’s recommended maintenance schedule (Level 3, at least every 4 years), this kit restores your pump to like-new condition .

  • Major Overhaul Kit – Pfeiffer Duo 2.5 – Part # PKE02008T $437.50

    This is the Pfeiffer Part# PKE02008T Major Overhaul Kit for the Duo 2.5 vacuum pump . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, shaft seal, coupling, sight glass, and more . Following Pfeiffer’s recommended 4-year maintenance schedule, this kit restores your pump to like-new condition.

  • Major Overhaul Kit – Pfeiffer Duo 20 $697.20

    This is the Pfeiffer Part# PKE32011T Level 3 Major Overhaul Kit for the Duo 20 and Duo 20M vacuum pumps . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals (O-rings), springs, valves, sight glass, hydraulic piston, coupling, and more . Following Pfeiffer’s recommended maintenance schedule (Level 3, at least every 4 years), this kit restores your pump to like-new condition .

  • Major Overhaul Kit – Pfeiffer Duo 35 $860.30

    This is the Pfeiffer Part# PKE22005T Major Overhaul Kit for the Duo 35 vacuum pump. This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, filters, sight glass, and more. Following Pfeiffer’s recommended maintenance schedule, this kit restores your pump to like-new condition.

  • Major Overhaul Kit – Pfeiffer Duo 35M, Pfeiffer, DUO, Part# PKE22010T $938.70

    This is the Pfeiffer Part# PKE22010T Major Overhaul Kit for the Duo 35M magnetic coupling vacuum pump . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, gaskets, filters, sight glass, and more . Following Pfeiffer’s recommended maintenance schedule, this kit restores your pump to like-new condition

  • Major Overhaul Kit – Pfeiffer Duo 5 $620.20

    This is the Pfeiffer Part# PKE32008T Level 3 Major Overhaul Kit for the Duo 5 and Duo 5M vacuum pumps . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals (O-rings), springs, valves, sight glass, hydraulic piston, coupling, and more . Following Pfeiffer’s recommended maintenance schedule (Level 3, every 4 years), this kit restores your pump to like-new condition .

  • Major Overhaul Kit – Pfeiffer Duo 65 $870.10

    This is the Pfeiffer Part# PKE22011T Level 3 Major Overhaul Kit for the Duo 65 vacuum pump . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals (O-rings), springs, valves, coupling spider, and all wearing parts . Following Pfeiffer’s recommended 4-year maintenance schedule (Level 3), this kit restores your pump to like-new condition .

  • Major Overhaul Kit – Pfeiffer Duo 65M $967.40

    This is the Pfeiffer Part# PKE22012T Major Overhaul Kit for the Duo 65M magnetic coupling vacuum pump . This comprehensive Level 3 maintenance kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, coupling, and all wearing parts 

  • 11 in stock

  • Major Overhaul Kit – Pfeiffer Uno 35 $908.20

    This is the Pfeiffer Part# PKE22001T Major Overhaul Kit for the Uno 35 vacuum pump . This comprehensive kit includes everything you need for a full pump rebuild: GX vanes, seals, O-rings, springs, valves, shaft seals, filters, sight glass, and more. Following Pfeiffer’s recommended maintenance schedule for overhaul level 3, this kit restores your pump to like-new condition 

  • 10 in stock

  • 10 in stock

  • Major Overhaul Kit, Becker U 4.630 $2,284.20

    This is the Major Overhaul Kit for the Becker U4.630 pump (Part #33805200000) . It includes everything you need for a complete pump rebuild: Gasket Set (54900026700), Shaft Sealing Ring (90659500000), 3 Vanes (90058100003), 2 Oil Separator Elements (96541100000), 2 Bearings (90660500000), Sealing Bushing (90660000800), Filter Pack (50600012900, 3 pieces), Filter Cartridge (84040122000), Float Assembly (86780099559), Coupling Disc (90223200000), and 4 gallons of Full Synthetic Oil (3SVPO-100G) . This “Complete Rebuild Kit” brings your U4.630 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 .

  • Major Overhaul Kit, Becker U4.70F, U4.70G, U4.70H $779.80

    This is the Major Overhaul Kit for Becker U4.70F, U4.70G, and U4.70H pumps (Part #33801200-F0) . It includes everything you need for a complete pump rebuild: gaskets, ball bearings (6206), shaft sealing rings, distance discs, coupling disc, sealing rings, oil separator, coarse separator, filter cartridge, vanes, and float assembly . This “Complete Rebuild Kit” brings your U4.70 series pump

  • Major Overhaul Kit, Becker, U Series, U4.100, Part# 33801400000 $790.30

    This is the Major Overhaul Kit for the Becker U4.100 pump (Part #33801400000) . It includes every single component required for a complete pump rebuild: bearings, shaft seals, gaskets, O-rings, vanes, distance discs, oil filters, exhaust filters, coupling, float assembly, and dozens of sealing rings . Designed specifically for the oil-lubricated Becker U Series

    It is compatible with several specific variants:

    • U4.100 (Standard)

    • U4.100D

    • U4.100F

    • U4.100G

    • U4.100H

    • U4.100SA

    • U4.100F/K (with Indexes A to I)

    The service manual confirms these kits are used for the U4.100SA series (Single Stage, Air Cooled) and U4.100F series (Flanged Motor) .

    If you have a U4.100 pump, this is the exact kit you need.

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