Airman 3422007400, direct aftermarket replacement. The Spare Part Mart aftermarket Separator is a direct replacement for separator elements used in equipment from Airman, Fai Filtri, Keltec, Mitsui Seiki, Oxfil, and Sotras. Designed to the original dimensions and ratings, it efficiently separates oil and moisture from compressed air, protecting downstream tools and reducing maintenance. This separator offers exceptional value, delivering reliable performance without the premium price of branded alternatives. Built for easy installation, it helps keep your machinery running smoothly while lowering operating costs.
Technical properties & cross references
Specifications
| Outer Diameter |
174 mm (6.85 in) |
| Height |
233 mm (9.17 in) |
| Product Net Weight |
1.8 kg (3.97 lbs) |
| Stat. HS-Code |
84149000 |
| Country of Manufacture |
China |
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| Oxfil |
USD 89.66 |
16 Oct 2026 |
| The Air Market |
USD 184.01 |
15 Oct 2026 |
| FilterFinder Online |
USD 246.00 |
15 Oct 2026 |
| Spare Part Mart |
USD 71.73 |
Today |
Our price of USD 71.73 is 20% to 71% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Use cases & applications
Continuous-duty manufacturing
In plants running compressors around the clock, this separator ensures consistent air quality, preventing oil carryover that could damage sensitive production equipment. Its reliable performance reduces unplanned downtime and product contamination.
Dusty or harsh environments
For construction sites or dusty workshops, this separator provides an extra layer of protection for air compressors, trapping contaminants that could otherwise clog components. This extends the service life of both the separator and the machine.
Scheduled maintenance programs
When incorporated into a routine maintenance schedule, this separator helps maintain peak compressor efficiency. Regular replacement with this cost-effective aftermarket part minimises energy consumption and avoids more expensive repairs down the line.
Inventory consolidation for mixed fleets
If your fleet includes machines from multiple brands like Airman and Mitsui Seiki, this single aftermarket separator crosses over to many models, streamlining your spare parts inventory without sacrificing fit or function.
Frequently asked questions
Will this separator fit my Airman compressor?
Yes, this separator is a direct fit replacement for the separator elements fitted to Airman brand compressors. It is also compatible with equipment from Fai Filtri, Keltec, Mitsui Seiki, Oxfil, and Sotras, matching the critical dimensions and connections.
What filtration rating does this separator have?
The exact micron rating and media specification are not published for this aftermarket separator. It is manufactured to replicate the separation performance of the OEM parts it replaces. For precise data, refer to your machine's original service documentation.
What are the dimensions and thread type of this separator?
Specific dimensions and thread details are not listed, but this separator is engineered to match the physical parameters of the original separator elements from the compatible brands. We recommend comparing your existing part before ordering if precise measurements are critical.
Is this a genuine OEM part from Airman?
No, this is an aftermarket separator supplied by Spare Part Mart. It is not a genuine Airman, Fai Filtri, Keltec, Mitsui Seiki, Oxfil, or Sotras part. It provides a cost-effective alternative without compromising on compatibility or function.
How often should I replace this separator?
Replacement intervals depend on your equipment manufacturer's guidelines and operating conditions. Always follow the service schedule in your machinery manual. Separators are often changed when pressure drop increases or during scheduled maintenance.