McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    111 Products

    Diaphragm Pump Repair Kits

    Replace worn or broken parts on your diaphragm pump. Match your pump’s manufacturer and model number to select the right kit.
    For Sandpiper Pumps
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Air-Motor Repair Kit.
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Fluid-Slide Repair Kit.

    Air-Motor Repair Kit

    Fluid-Slide Repair Kit

    Air-Motor Repair Kit
    Fluid-Slide Repair Kit
    For Pump Model No.
    For Pump Diaphragm Material
    For Intake/Discharge
    Pipe Size
    Includes
    Kit No.
    Each
    Includes
    Kit No.
    Each
    For Metal Pumps
    HDF1, DN2A; HDF1, DV2A; HDF1, DV2SFluoroelastomer, Neoprene
    1
    Air Valve Spool, Gaskets, O-Rings, Pilot Valve Assembly, Retaining Rings, Seals476.311.0003781K580000000———0
    HDF1, DN2ANeoprene
    1
    ———0Check Valve Flaps, Diaphragms, Seals476.286.3658090K410000000
    HDF1, DV2AFluoroelastomer
    1
    ———0Check Valve Flaps, Diaphragms, Seals476.286.3638090K4200000000
    HDF2, DN6A; HDF2, DV6A; HDF3, DN7Neoprene
    2, 3
    Air Valve Spool, Gaskets, O-Rings, Pilot Valve Assembly, Retaining Rings, Seals476.247.0003781K57000000———0
    HDF2, DN6ANeoprene
    2
    ———0Check Valve Flaps, Diaphragms, Seals476.270.3653781K17000000
    HDF2, DV6AFluoroelastomer
    2
    ———0Check Valve Flaps, Diaphragms, Seals476.270.3633781K1600000000
    HDF3, DN7Neoprene
    3
    ———0Check Valve Flaps, Diaphragms, Seals476.249.3653781K2200000000
    S1FNeoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals476.194.3653781K46000000
    S1FNeoprene, PTFE, Santoprene
    1
    Gaskets, O-Rings, Seals476.423.0003781K68000000———0
    S1FPTFE
    1
    ———0Check Valve Balls, Diaphragms, Seals476.194.6353781K47000000
    S1FSantoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals476.194.3543781K45000000
    S05PTFE
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.199.6543781K52000000
    S05Santoprene
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.199.3543781K53000000
    S15; S20; S30Neoprene, PTFE, Santoprene
    1 1/2, 2, 3
    Air Valve Spool, Gaskets, O-Rings, Pilot Valve Assembly, Retaining Rings, Seals476.421.0003781K63000000———0
    S15Neoprene
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals476.182.3653781K43000000
    S15PTFE
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals476.182.6353781K4400000000
    S20Neoprene
    2
    ———0Check Valve Balls, Diaphragms, Seals476.042.3659948K39000000
    S20PTFE
    2
    ———0Check Valve Balls, Diaphragms, Seals476.042.6353781K1900000000
    S20Santoprene
    2
    ———0Check Valve Balls, Diaphragms, Seals476.042.3543781K21000000
    S30Neoprene
    3
    ———0Check Valve Balls, Diaphragms, Seals476.171.3653781K3800000000
    S30PTFE
    3
    ———0Check Valve Balls, Diaphragms, Seals476.171.6353781K3900000000
    S30Santoprene
    3
    ———0Check Valve Balls, Diaphragms, Seals476.171.6563781K41000000
     
    For Metal, Plastic Pumps
    S05Neoprene, PTFE, Santoprene
    1/2
    Air Valve Spool, Gaskets, O-Rings, Retaining Rings, Seals476.427.0009948K58000000———0
     
    For Plastic Pumps
    PB 1/4PTFE
    1/4
    ———0Check Valve Balls, Diaphragms, Seals476.117.6003781K24000000
    PB 1/4Santoprene
    1/4
    Air Valve Spool, Gaskets, O-Rings, Retaining Rings, Seals476.129.0003781K59000000Check Valve Balls, Diaphragms, Seals476.117.3543781K23000000
    S05; S07; S10Buna-N, Polyurethane Rubber, Santoprene
    1/2, 3/4, 1
    Air Valve Spool, Gaskets, O-Rings, Retaining Rings, Seals476.219.0003781K72000000———0
    S05Buna-N
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.401.3603781K96000000
    S05Polyurethane Rubber
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.401.3573781K95000000
    S05PTFE
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.403.6543781K97000000
    S05Santoprene
    1/2
    ———0Check Valve Balls, Diaphragms, Seals476.401.3543781K94000000
    S07Buna-N
    3/4
    ———0Check Valve Balls, Diaphragms, Seals476.166.3603781K73000000
    S07Polyurethane Rubber
    3/4
    ———0Check Valve Balls, Diaphragms, Seals476.166.3573781K74000000
    S07; S10Santoprene
    3/4, 1
    ———0Check Valve Balls, Diaphragms, Seals476.166.3543781K36000000
    S07Santoprene
    3/4
    ———0Check Valve Balls, Diaphragms, Seals476.166.6543781K37000000
    S15; S20PTFE, Santoprene
    1 1/2, 2
    Air Valve Spool, Gaskets, O-Rings, Pilot Valve Assembly, Retaining Rings, Seals476.253.0004157K25000000———0
    S15BPTFE
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals476.255.6543781K8200000000
    S15BSantoprene
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals476.255.3543781K81000000
    S20Santoprene
    2
    ———0Check Valve Balls, Diaphragms, Seals476.257.3544157K24000000
    S20BPTFE
    2
    ———0Check Valve Balls, Diaphragms, Seals476.257.6543781K8300000000
    SPE10PTFE
    1
    Air Valve Spool, Gaskets, O-Rings, Pilot Valve Assembly, Retaining Rings, Seals476.404.0003781K92000000———0
    SPE10Santoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals476.406.3543781K91000000
     
    For Wilden Pumps
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Air-Motor Repair Kit.
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Fluid-Slide Repair Kit.

    Air-Motor Repair Kit

    Fluid-Slide Repair Kit

    Air-Motor Repair Kit
    Fluid-Slide Repair Kit
    For Pump
    Model No.
    For Pump Diaphragm
    Material
    For Intake/Discharge
    Pipe Size
    Includes
    Kit No.
    Each
    Includes
    Kit No.
    Each
    For Metal Pumps
    T2Buna-N
    1
    ———0Check Valve Balls, Diaphragms, Seals02-9804-529827T350000000
    T2Buna-N, Neoprene
    1
    Gaskets, O-Rings, Seals02-9980-079827T320000000———0
    T2Neoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals02-9804-519827T36000000
    T4Buna-N
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals04-9804-529827T37000000
    T4Buna-N, Neoprene
    1 1/2
    Gaskets, O-Rings, Seals04-9980-079827T33000000———0
    T4Neoprene
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals04-9804-519827T38000000
    T8Buna-N
    2
    ———0Check Valve Balls, Diaphragms, Seals08-9804-529827T39000000
    T8Buna-N, PTFE
    2
    Gaskets, O-Rings, Seals08-9980-079827T34000000———0
    T8PTFE
    2
    ———0Check Valve Balls, Diaphragms, Seals08-9804-559827T4100000000
     
    For ARO Pumps
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Air-Motor Repair Kit.
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Fluid-Slide Repair Kit.

    Air-Motor Repair Kit

    Fluid-Slide Repair Kit

    Air-Motor Repair Kit
    Fluid-Slide Repair Kit
    For Pump Model
    No.
    For Pump Diaphragm Material
    For Intake/Discharge
    Pipe Size
    Includes
    Kit No.
    Each
    Includes
    Kit No.
    Each
    For Metal Pumps
    650717-CFluoroelastomer
    1
    ———0Check Valve Balls, Diaphragms, Seals637137-63-C13455K330000000
    650717-CFluoroelastomer
    1, 1 1/2, 2
    Gaskets, O-Rings, Seals637118-C13455K31000000———0
    650718-CFluoroelastomer
    1 1/2
    ———0Check Valve Balls, Diaphragms, Seals637138-6313455K3500000000
    6661XBuna-N
    1
    ———0Check Valve Balls, Diaphragms, Seals637119-22-C9870T18000000
    6661X, 6662XBuna-N
    1 1/2, 2
    ———0Check Valve Balls, Diaphragms, Seals637124-229870T24000000
    6661X, 6662XPolyurethane Rubber
    1 1/2, 2
    ———0Check Valve Balls, Diaphragms, Seals637124-899870T25000000
    6661XPTFE
    1
    ———0Check Valve Balls, Diaphragms, Seals637119-44-C9870T21000000
    6661X, 6662XPTFE
    1 1/2, 2
    ———0Check Valve Balls, Diaphragms, Seals637124-449870T2700000000
    6661XSantoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals637119-EB-C9870T19000000
    6661X, 6662XSantoprene
    1 1/2, 2
    ———0Check Valve Balls, Diaphragms, Seals637124-EB9870T26000000
    670042Fluoroelastomer
    1/2
    Gaskets, O-Rings, Seals63742813455K43000000———0
     
    For Plastic Pumps
    6661APTFE
    1
    ———0Check Valve Balls, Diaphragms, Seals637161-44-C9870T17000000
    6661ASantoprene
    1
    ———0Check Valve Balls, Diaphragms, Seals637161-EB-C9870T16000000
    66605Neoprene
    1/2
    ———0Check Valve Balls, Diaphragms, Seals637140-119870T13000000
    66605Neoprene, Polyurethane Rubber, Santoprene
    1/2
    Gaskets, O-Rings, Seals6371419870T11000000———0
    66605Polyurethane Rubber
    1/2
    ———0Check Valve Balls, Diaphragms, Seals637140-889870T14000000
    66605Santoprene
    1/2
    ———0Check Valve Balls, Diaphragms, Seals637140-EB9870T15000000
    6661T, 6662ASantoprene
    1 1/2, 2
    ———0Check Valve Balls, Diaphragms, Seals637165-EB9870T22000000
     
    For Graco Pumps
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Air-Motor Repair Kit.
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Fluid-Slide Repair Kit.

    Air-Motor Repair Kit

    Fluid-Slide Repair Kit

    For Intake/Discharge
    Air-Motor Repair Kit
    Fluid-Slide Repair Kit
    For Pump Model No.
    For Pump Diaphragm Material
    Pipe
    Size
    Tube
    OD
    Includes
    Kit
    No.
    Each
    Includes
    Kit
    No.
    Each
    For Metal Pumps
    SaniForcePTFE
    1"———0Check Valve Balls, Diaphragms, SealsFK51119778T710000000
    SaniForcePTFE
    1 1/2"———0Check Valve Balls, Diaphragms, SealsFK11119778T72000000
    SaniForcePTFE
    2"———0Check Valve Balls, Diaphragms, SealsFK21119778T7300000000
     
    For Plastic Pumps
    ChemSafe 1040PTFE
    1
    Air Valve Spool, Gaskets, O-Rings, Seals17F6092666N320000000Check Valve Balls, Diaphragms, Gaskets, O-Rings, Seals17F1322666N2400000000
    ChemSafe 307PTFE
    3/8
    Air Valve Spool, Gaskets, O-Rings, Seals17F1192666N29000000Check Valve Balls, Diaphragms, Gaskets, O-Rings, Seals17F1202666N22000000
    ChemSafe 515PTFE
    1/2
    Air Valve Spool, Gaskets, O-Rings, Seals17F1282666N31000000Check Valve Balls, Diaphragms, Gaskets, O-Rings, Seals17F1232666N2300000000
    Husky 205eSantoprene
    1/4"———0Check Valve Balls, Diaphragms, O-Rings, SealsD010962666N25000000
    Husky 307Polyurethane Rubber, PTFE, Santoprene
    3/8
    Air Valve Spool, Gaskets, O-Rings, Retaining Rings, Seals23995213465K65000000———0
    Husky 307Polyurethane Rubber
    3/8
    ———0Check Valve Balls, Diaphragms, O-Rings, SealsD0395513465K51000000
    Husky 307PTFE
    3/8
    ———0Check Valve Balls, Diaphragms, O-Rings, SealsD0321113465K63000000
    Husky 307PTFE
    3/8
    ———0Check Valve Balls, Diaphragms, O-Rings, SealsD0391113465K53000000
    Husky 307Santoprene
    3/8
    ———0Check Valve Balls, Diaphragms, O-Rings, SealsD0396613465K66000000
    Husky 515eBuna-N
    1/2"———0Check Valve Balls, Diaphragms, O-Rings, SealsD059772666N27000000
    SaniForce 1040, SaniForce 1590PTFE
    Check Valve Flaps, Gaskets, O-Rings, Seals2550612704N14000000———0
    SaniForce 515PTFE
    Check Valve Flaps, Gaskets, O-Rings, Seals2416572704N13000000———0
     
    For Pentair Pumps
    Image of Product. Front orientation. Pump Repair Kits. Diaphragm Pump Repair Kits, Air-Motor Repair Kit.

    Air-Motor Repair Kit

    Air-Motor Repair Kit
    For Pump
    Model No.
    For Pump Diaphragm
    Material
    For Intake/Discharge
    Tube OD
    Includes
    Kit No.
    Each
    For Plastic Pumps
    166Buna-N
    3/8"Diaphragm, Gaskets, O-Rings, Seals94-175-084022K12000000
    166Santoprene
    3/8"Diaphragm, Gaskets, O-Rings, Seals94-175-074022K1300000
    166Viton® Fluoroelastomer
    3/8"Diaphragm, Gaskets, O-Rings, Seals94-175-054022K1100000
     

    Circulation Pump Repair Kits

    Keep your circulation pump in working order by replacing broken or worn parts. Match the pump’s manufacturer and model number to choose the right kit.
    For AMT Pump Company Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump Model No.
    For Pump Part No.
    Kit No.
    Each
    3680-975-97, 5160-975-973680-015-098249K54000000
    3696-975-973696-013-988249K5600000
    2821-95, 2825-95, 2827-952821-95, 2825-95, 2827-952820-304-9599435K2200000
     
    For Anderson Process Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump Model
    No.
    For Pump Part No.
    Kit No.
    Each
    AM SeriesTM2FE-ER-VT-076-AATM-RG241V3068N111000000
    AM SeriesTM2GE-ER-VT-090-AATM-RG244V3068N12100000
    AMX SeriesTM4HC-EC-VT-090-BATM-RG356V3068N13100000
    AMX SeriesTM4KC-EC-VT-108-BATM-RG362V3068N14100000
    AMX SeriesTM6LC-EC-VT-123-BA, TM6MC-EC-VT-135-BATM-RG368V3068N15100000
     
    For Finish Thompson Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump
    Model No.
    For Pump Part No.
    Kit
    No.
    Each
    ACAC4STS1V300B015C05, AC4STS1V320B015C08, AC4STS1V350B015C15A1021744320K670000000
    Maintenance Kit for 1/8" Diameter Maximum Solids Circulation Pump for Chemicals
    EachIn stock
    ACAC5RTS1V300B015C13, AC5RTS1V350B015C22, AC5RTS2V370B015C24, AC5RTS2V450B015C25, AC5STS1V400B015C12, AC5STS1V420B015C22, AC5STS2V400B015C06, AC5STS3V458B015C24, AC5STS3V478B015C25A1021474320K68000000
     
    For Graymills Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump
    Model No.
    For Pump Part No.
    Kit No.
    Each
    IMSIMS08-E, IMS08-F, IMS25-E, IMS25-F02-9551-5199875K12000000
    IMSIMS50-E, IMS50-F, IMS75-F, IMS100-F785-9248099875K13000000
     
    For MTH Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump
    Model No.
    For Pump Part No.
    Kit
    No.
    Each
    T41T41B-AB, T41C-AB, T41G-AB, T41J-ABSK410043195K5110000000
     
    For March Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump Model No.
    For Pump Part No.
    Kit No.
    Each
    Series 5.5, Series 60151-0027-0300, 0151-0027-0900, 0153-0002-0400, 0153-0002-05000153-0015-10003068N22100000
    Series 70155-0173-0200, 0155-0174-02000155-0010-10003068N23100000
    Series 7.50156-0001-01000156-0010-10003068N24100000
    Series 80157-0008-02000157-0011-10003068N25100000
     
    For RS Corcoran Pumps
    Image of Product. Front orientation. Pump Repair Kits. Circulation Pump Repair Kits.
    For Pump
    Model No.
    For Pump Part No.
    Kit No.
    Each
    2000D2DAA05.33-3.25, 2DAA05.5-3.75, 2DAA05.52-3.75, 2DAA1-4, 2DAA1.5-4.44, 2DAA13-4, 2DAB2-4.25, 2DAB3-4.44M0830-1007V8205K4410000000
     

    Metering Pump Repair Kits

    Keep your metering pump in working order by replacing worn parts. To order, match your manufacturer's pump model or part number to the compatible manufacturer part number.
    For Stenner Pumps
    Image of Product. Front orientation. Pump Repair Kits. Metering Pump Repair Kits, Maintenance Kits.

    Maintenance Kits

    For Pump
    Model No.
    For Pump
    Part No.
    Mfr. Part
    No.
    Component
    Each
    S-SeriesS3002AA101NS3102-1Maintenance Kit3193N10000000
    S-SeriesS3005AA101NS3105-1Maintenance Kit3193N3000000
    S-SeriesS3007AA101NS3107-1Maintenance Kit3193N2000000
     
    back to top