DIASPEC

ARO 94433 O-Ring — Compatible Replacement

1 in — — OEM-compatible replacement for the ARO 94433 reference.

Reviewed identification status

Exact part number, part role and material direction confirmed. Exact dimensions / fitment are NOT established by this page — confirm your pump model and the existing part before ordering.

Part Reference

ReferencePart TypeMaterial DirectionService SectionReviewed Contexts
94433O-RingFluid-side / wettedmanifold & air-side sealing

What This Part Is

The 94433 is the o-ring for a 1 in ARO-style air-operated double diaphragm pump. ARO 94433 O-ring — manifold and air-section sealing element. Air bubbles in the discharge or air-side leaks usually trace back to a worn O-ring or gasket; replace during rebuilds.

Fitment Notes

  • Pump size: 1 in port size AODD pump.
  • Compatible with: pumps using the 94433 OEM reference. Always confirm the nameplate stamp — pumps of the same size exist in multiple generations with different part sets.
  • Ordering safe path: send your pump model + the existing part number (or a photo), and we confirm fitment before shipping.

Pricing & Availability

OEM parts typically list at $3-8 per piece. Our OEM-compatible replacement targets $1-3 — factory-direct, with the same material direction and confirmed reference. Stocked for fast dispatch; volume pricing available for distributors and rebuild kits.

Related Parts in the Same Family

Disclaimer

DIASPEC is not affiliated with, endorsed or sponsored by ARO (or its parent company) or any other OEM named on this page. All brand names and part numbers are the property of their respective owners and are used solely for compatibility identification. Our parts are OEM-compatible replacements, not OEM parts. "Verified product identification" confirms the part number, role and material direction; exact dimensional and fitment verification requires the pump model and existing part. Confirm model before ordering.