ARO 95990 Backup Washer — Compatible Replacement
1 in — — OEM-compatible replacement for the ARO 95990 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
| Reference | Part Type | Material Direction | Service Section | Reviewed Contexts |
|---|---|---|---|---|
| 95990 | Backup Washer | — | Fluid-side / wetted | air valve & manifold hardware |
What This Part Is
The 95990 is the backup washer for a 1 in ARO-style air-operated double diaphragm pump. ARO 95990 backup washer — the hardware washer used in ARO air-valve and manifold assemblies. Order alongside O-rings and valve kits for a complete rebuild set.
Fitment Notes
- Pump size: 1 in port size AODD pump.
- Compatible with: pumps using the 95990 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.