Yamada Parts

Genuine Yamada service parts, repair kits, dampeners and accessories for air-operated double-diaphragm pumps. Search by Yamada part number or browse by pump size.

Every listing carries KAD's own specification table so you can confirm the part before you order. Texas-based, with fast dispatch and US support.

  • KAD placeholder — SPRING-SEAT-50-PP

    Yamada SPRING-SEAT-50-PP — 2", Polypropylene (PPG) Spring

    Yamada SPRING-SEAT-50-PP — 2", Polypropylene (PPG) Spring

    $12.00 USD
    $12.00 USD
  • KAD placeholder — SPRING-PIN-KPL-24

    Yamada SPRING-PIN-KPL-24 — Spring

    Yamada SPRING-PIN-KPL-24 — Spring

    $6.00 USD
    $6.00 USD
  • KAD placeholder — SPRING-RETAINER-5/15&5/10/20F

    Yamada SPRING-RETAINER-5/15&5/10/20F — 1/4" Spring

    Yamada SPRING-RETAINER-5/15&5/10/20F — 1/4" Spring

    $10.00 USD
    $10.00 USD
  • KAD placeholder — SPRING-RETAINER-40/50/80

    Yamada SPRING-RETAINER-40/50/80 — 1-1/2" Spring

    Yamada SPRING-RETAINER-40/50/80 — 1-1/2" Spring

    $11.00 USD
    $11.00 USD
  • KAD placeholder — SPRING-20/25

    Yamada SPRING-20/25 — 3/4" Spring

    Yamada SPRING-20/25 — 3/4" Spring

    $8.00 USD
    $8.00 USD
  • KAD placeholder — SPRING-AD-50

    Yamada SPRING-AD-50 — 2" Spring for AD-50

    Yamada SPRING-AD-50 — 2" Spring for AD-50

    $11.00 USD
    $11.00 USD
  • KAD placeholder — SPRING-5-PILOT-VALVE

    Yamada SPRING-5-PILOT-VALVE — 1/4" Spring

    Yamada SPRING-5-PILOT-VALVE — 1/4" Spring

    $7.00 USD
    $7.00 USD
  • KAD placeholder — SPRING-AD-10/20/25

    Yamada SPRING-AD-10/20/25 — 3/8" Spring for AD-10/20/25

    Yamada SPRING-AD-10/20/25 — 3/8" Spring for AD-10/20/25

    $11.00 USD
    $11.00 USD
  • KAD placeholder — SPRING-GUIDE-20/25

    Yamada SPRING-GUIDE-20/25 — 3/4" Spring

    Yamada SPRING-GUIDE-20/25 — 3/4" Spring

    $10.00 USD
    $10.00 USD
  • KAD placeholder — SPRING

    Yamada SPRING — Spring

    Yamada SPRING — Spring

    $7.00 USD
    $7.00 USD
  • KAD placeholder — SPOOL-COVER-B-10

    Yamada SPOOL-COVER-B-10 — 3/8" Spool

    Yamada SPOOL-COVER-B-10 — 3/8" Spool

    $28.00 USD
    $28.00 USD
  • KAD placeholder — SPOOL-G15PP

    Yamada SPOOL-G15PP — Spool for G15PP

    Yamada SPOOL-G15PP — Spool for G15PP

    $12.00 USD
    $12.00 USD
  • KAD placeholder — SPRING-FOR-PILOT-VALVE-15

    Yamada SPRING-FOR-PILOT-VALVE-15 — 1/2" Spring

    Yamada SPRING-FOR-PILOT-VALVE-15 — 1/2" Spring

    $8.00 USD
    $8.00 USD
  • KAD placeholder — SPRING-AD-40

    Yamada SPRING-AD-40 — 1-1/2" Spring for AD-40

    Yamada SPRING-AD-40 — 1-1/2" Spring for AD-40

    $11.00 USD
    $11.00 USD
  • KAD placeholder — SPOOL-END-COVER-10

    Yamada SPOOL-END-COVER-10 — 3/8" Spool

    Yamada SPOOL-END-COVER-10 — 3/8" Spool

    $25.00 USD
    $25.00 USD
  • KAD placeholder — SPOOL-10

    Yamada SPOOL-10 — 3/8" Spool

    Yamada SPOOL-10 — 3/8" Spool

    $21.00 USD
    $21.00 USD