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 — VALVE-SEAT-20/25-PP

    Yamada VALVE-SEAT-20/25-PP — 3/4", Polypropylene (PPG) Valve Seat

    Yamada VALVE-SEAT-20/25-PP — 3/4", Polypropylene (PPG) Valve Seat

    $17.00 USD
    $17.00 USD
  • KAD placeholder — VALVE-SEAT-15SS

    Yamada VALVE-SEAT-15SS — 1/2" Valve Seat

    Yamada VALVE-SEAT-15SS — 1/2" Valve Seat

    $68.00 USD
    $68.00 USD
  • KAD placeholder — VALVE-SEAT-15V

    Yamada VALVE-SEAT-15V — 1/2" Valve Seat

    Yamada VALVE-SEAT-15V — 1/2" Valve Seat

    $53.00 USD
    $53.00 USD
  • KAD placeholder — VALVE-SEAT-20SS/AL

    Yamada VALVE-SEAT-20SS/AL — 3/4", Aluminum (ADC-12) Valve Seat

    Yamada VALVE-SEAT-20SS/AL — 3/4", Aluminum (ADC-12) Valve Seat

    $25.00 USD
    $25.00 USD
  • KAD placeholder — VALVE-SEAT-20PP

    Yamada VALVE-SEAT-20PP — 3/4" Valve Seat

    Yamada VALVE-SEAT-20PP — 3/4" Valve Seat

    $21.00 USD
    $21.00 USD
  • KAD placeholder — VALVE-SEAT-15AL

    Yamada VALVE-SEAT-15AL — 1/2" Valve Seat

    Yamada VALVE-SEAT-15AL — 1/2" Valve Seat

    $33.00 USD
    $33.00 USD
  • KAD placeholder — VALVE-SEAT-10N

    Yamada VALVE-SEAT-10N — 3/8" Valve Seat

    Yamada VALVE-SEAT-10N — 3/8" Valve Seat

    $8.00 USD
    $8.00 USD
  • KAD placeholder — VALVE-SEAT-20-AL

    Yamada VALVE-SEAT-20-AL — 3/4", Aluminum (ADC-12) Valve Seat

    Yamada VALVE-SEAT-20-AL — 3/4", Aluminum (ADC-12) Valve Seat

    $25.00 USD
    $25.00 USD
  • KAD placeholder — VALVE-SEAT-15PP-BALL-NEW

    Yamada VALVE-SEAT-15PP-BALL-NEW — 1/2" Valve Seat

    Yamada VALVE-SEAT-15PP-BALL-NEW — 1/2" Valve Seat

    $21.00 USD
    $21.00 USD
  • KAD placeholder — VALVE-SEAT-15PP

    Yamada VALVE-SEAT-15PP — 1/2" Valve Seat

    Yamada VALVE-SEAT-15PP — 1/2" Valve Seat

    $21.00 USD
    $21.00 USD
  • KAD placeholder — VALVE-SEAT-10C

    Yamada VALVE-SEAT-10C — 3/8" Valve Seat

    Yamada VALVE-SEAT-10C — 3/8" Valve Seat

    $8.00 USD
    $8.00 USD
  • KAD placeholder — VALVE-SEAT-10SS-NEW

    Yamada VALVE-SEAT-10SS-NEW — 3/8" Valve Seat

    Yamada VALVE-SEAT-10SS-NEW — 3/8" Valve Seat

    $68.00 USD
    $68.00 USD
  • KAD placeholder — VALVE-SEAT-10AL-NEW

    Yamada VALVE-SEAT-10AL-NEW — 3/8" Valve Seat

    Yamada VALVE-SEAT-10AL-NEW — 3/8" Valve Seat

    $25.00 USD
    $25.00 USD
  • KAD placeholder — VALVE-SEAT-15-ACETAL

    Yamada VALVE-SEAT-15-ACETAL — 1/2", Groundable Acetal Valve Seat

    Yamada VALVE-SEAT-15-ACETAL — 1/2", Groundable Acetal Valve Seat

    $25.00 USD
    $25.00 USD
  • KAD placeholder — VALVE-SEAT-10AL

    Yamada VALVE-SEAT-10AL — 3/8" Valve Seat

    Yamada VALVE-SEAT-10AL — 3/8" Valve Seat

    $14.00 USD
    $14.00 USD
  • KAD placeholder — VALVE-GUIDE-G15SS

    Yamada VALVE-GUIDE-G15SS — Valve Guide for G15SS

    Yamada VALVE-GUIDE-G15SS — Valve Guide for G15SS

    $45.00 USD
    $45.00 USD