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 — OUT-CHAMBER-5-ACETAL

    Yamada OUT-CHAMBER-5-ACETAL — 1/4", Groundable Acetal Outer Chamber

    Yamada OUT-CHAMBER-5-ACETAL — 1/4", Groundable Acetal Outer Chamber

    $156.00 USD
    $156.00 USD
  • KAD placeholder — OUT-CHAMBER-25SS

    Yamada OUT-CHAMBER-25SS — 1" Outer Chamber

    Yamada OUT-CHAMBER-25SS — 1" Outer Chamber

    $448.00 USD
    $448.00 USD
  • KAD placeholder — OUT-CHAMBER-40PVDF-NEW

    Yamada OUT-CHAMBER-40PVDF-NEW — 1-1/2" Outer Chamber

    Yamada OUT-CHAMBER-40PVDF-NEW — 1-1/2" Outer Chamber

    $2,525.00 USD
    $2,525.00 USD
  • KAD placeholder — OUT-CHAMBER-25V-(FOR-SERIAL-NUMBERS-969820-AND-BELOW)

    Yamada OUT-CHAMBER-25V-(FOR-SERIAL-NUMBERS-969820-AND-BELOW) — 1" Outer Chamber

    Yamada OUT-CHAMBER-25V-(FOR-SERIAL-NUMBERS-969820-AND-BELOW) — 1" Outer Chamber

    $1,051.00 USD
    $1,051.00 USD
  • KAD placeholder — OUT-CHAMBER-40PP

    Yamada OUT-CHAMBER-40PP — 1-1/2" Outer Chamber

    Yamada OUT-CHAMBER-40PP — 1-1/2" Outer Chamber

    $219.00 USD
    $219.00 USD
  • KAD placeholder — OUT-CHAMBER-40AL

    Yamada OUT-CHAMBER-40AL — 1-1/2" Outer Chamber

    Yamada OUT-CHAMBER-40AL — 1-1/2" Outer Chamber

    $267.00 USD
    $267.00 USD
  • KAD placeholder — OUT-CHAMBER-25FC

    Yamada OUT-CHAMBER-25FC — 1" Outer Chamber

    Yamada OUT-CHAMBER-25FC — 1" Outer Chamber

    $385.00 USD
    $385.00 USD
  • KAD placeholder — OUT-CHAMBER-20AL

    Yamada OUT-CHAMBER-20AL — 3/4" Outer Chamber

    Yamada OUT-CHAMBER-20AL — 3/4" Outer Chamber

    $102.00 USD
    $102.00 USD
  • KAD placeholder — OUT-CHAMBER-25PP

    Yamada OUT-CHAMBER-25PP — 1" Outer Chamber

    Yamada OUT-CHAMBER-25PP — 1" Outer Chamber

    $195.00 USD
    $195.00 USD
  • KAD placeholder — OUT-CHAMBER-25VN-(FOR-SERIAL-NUMBERS-969821-AND-UP)

    Yamada OUT-CHAMBER-25VN-(FOR-SERIAL-NUMBERS-969821-AND-UP) — 1" Outer Chamber

    Yamada OUT-CHAMBER-25VN-(FOR-SERIAL-NUMBERS-969821-AND-UP) — 1" Outer Chamber

    $1,002.00 USD
    $1,002.00 USD
  • KAD placeholder — OUT-CHAMBER-25AL

    Yamada OUT-CHAMBER-25AL — 1" Outer Chamber

    Yamada OUT-CHAMBER-25AL — 1" Outer Chamber

    $117.00 USD
    $117.00 USD
  • KAD placeholder — OUT-CHAMBER-20SS

    Yamada OUT-CHAMBER-20SS — 3/4" Outer Chamber

    Yamada OUT-CHAMBER-20SS — 3/4" Outer Chamber

    $299.00 USD
    $299.00 USD
  • KAD placeholder — O-RING-23.47X2.62-(-119-BUNA)

    Yamada O-RING-23.47X2.62-(-119-BUNA) — Buna-N (NBR) O-Ring

    Yamada O-RING-23.47X2.62-(-119-BUNA) — Buna-N (NBR) O-Ring

    $7.00 USD
    $7.00 USD
  • KAD placeholder — OUT-CHAMBER-10AL

    Yamada OUT-CHAMBER-10AL — 3/8" Outer Chamber

    Yamada OUT-CHAMBER-10AL — 3/8" Outer Chamber

    $239.00 USD
    $239.00 USD
  • KAD placeholder — O-RING-(BUNA)

    Yamada O-RING-(BUNA) — Buna-N (NBR) O-Ring

    Yamada O-RING-(BUNA) — Buna-N (NBR) O-Ring

    $7.00 USD
    $7.00 USD
  • KAD placeholder — OUT-CHAMBER-15V

    Yamada OUT-CHAMBER-15V — 1/2" Outer Chamber

    Yamada OUT-CHAMBER-15V — 1/2" Outer Chamber

    $385.00 USD
    $385.00 USD