Wilden Fluid and Air Side Repair Kits

Wilden Repair Kits and Parts for Air-Operated Double-Diaphragm (AODD) Pumps and Air Distribution Systems (ADS)- Wet Kits and Air Kits

Streamline Maintenance and Repair with Genuine Wilden Parts


Always use only authentic Wilden® Air Kits and Wet Kits when repairing or maintaining Wilden Air-Operated Double-Diaphragm (AODD) Pumps and Air Distribution Systems (ADS) to maintain optimal performance and preserve Wilden factory warranties.

Use the Genuine Wilden Repair Kit Lookup to find the wet kit or air kit for your pump.

Wilden’s updated parts kit program has significantly lowered costs and simplified ordering while providing genuine Wilden parts.

  • Less expensive
  • Elimination of duplicate and unneeded parts
  • Streamlined ordering
  • Faster delivery
  • Only quality Wilden parts
  • Preserve Wilden factory warranties

Containing only genuine Wilden parts, each Wet Kit and Air Kit can be applied to many different models to significantly reduce the number of kits required to cover Wilden’s products and simplify ordering. Lead-time for both kits are the same as standard parts orders.

Wet Kits and Air Kits are available through Wilden distributors.

The updated repair kits are part of Wilden’s ongoing innovation of new technologies and programs to improve performance, customer satisfaction and VALUE!

Wet side kit

New Wet Kit

  • Replaces the Elastomer Kit
  • Includes only elastomers located on the wet side of the pump such as diaphragms, balls, seats, gaskets and o-rings (if required) to eliminate part duplication
  • Wet Kit ordering requires only the following information:
    • Pump size
    • Pump series/configuration
    • Wetted material
    • Diaphragm material

New Air Kit

Air side kit

  • Replaces the ADS Kit
  • Contains reduced number of parts, including elimination of the air valve assembly and muffler plate
  • All Air Kits include the air valve spool* which will now be available only in the Air Kits
  • Vacuum-sealed to maintain parts integrity and cleanliness
  • Air Kits ordering requires the following information:
    • ADS model
    • Pump size
    • Pump series/configuration
    • Wetted material
    • Air valve material
    • ADS option

*The T-Series version will provide the complete air valve assembly.