Noitech NS 021730, direct aftermarket replacement. This aftermarket separator is a direct replacement for separators used in Atlas Copco GA 75 VSD, GA 90 VSD, GA 75 W VSD, and GA 90 W VSD compressors (from s/n AII 493000). It also cross-references brands such as HiFi Filter, Noitech, Oxfil, SF Filter, Sotras, and T.G. Filter. With a body height of 256 mm, outer diameter of 218 mm, and largest outer diameter of 362 mm, this separator is built to the original dimensions and ratings, ensuring reliable performance in your compressed air system.
Technical properties & cross references
Specifications
| Body Height |
256 mm (10 3/32") |
| Total Height |
256 mm (10 3/32") |
| Product Net Weight |
4.04 kg (8.91 lbs) |
| Largest Inner Diameter |
157 mm (6 3/16") |
| Outer Diameter |
218 mm (8 19/32") |
| Largest Outer Diameter |
362 mm (14 1/4") |
| 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 150.19 |
16 Oct 2026 |
| The Air Market |
USD 191.81 |
15 Oct 2026 |
| FilterFinder Online |
USD 316.00 |
15 Oct 2026 |
| Air Compressor Services |
USD 419.50 |
15 Oct 2026 |
| Spare Part Mart |
USD 120.15 |
Today |
Our price of USD 120.15 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 Industrial Compressors
In factories running Atlas Copco GA series compressors continuously, this separator ensures efficient removal of oil and condensate from compressed air, maintaining air quality and protecting downstream equipment from contamination.
High-Humidity Environments
For operations in humid climates, this separator effectively handles higher moisture loads, reducing the risk of water carryover and corrosion in air tools and pneumatic systems.
Preventive Maintenance Scheduling
When planning routine maintenance, replacing the separator with this separator helps avoid unplanned downtime. Its robust construction supports extended service intervals in moderate-duty applications.
Fleet Standardization
If your facility uses multiple compressor brands, this separator's cross-references allow you to stock one part for several machines, simplifying inventory management and reducing stockout risks.
Frequently asked questions
How do I confirm this separator fits my compressor?
Check your compressor's serial number. This separator fits Atlas Copco GA 75 VSD, GA 90 VSD, GA 75 W VSD, and GA 90 W VSD models with serial numbers from AII 493000 onward. For other brands, cross-reference your OEM part number with our list.
What is the filtration rating of this separator?
The separator is designed for coalescing filtration to remove oil aerosols and particulates. Exact efficiency ratings are not specified, but it meets OEM performance requirements for the listed Atlas Copco models.
What are the key dimensions and how do they affect fitment?
The separator has an outer diameter of 218 mm, largest inner diameter of 157 mm, and largest outer diameter of 362 mm. Body height is 256 mm. These dimensions ensure a proper seal and fit in the filter housing.
Is this an OEM or aftermarket part?
This is an aftermarket replacement, not a genuine OEM part. It is built to the original dimensions and ratings and is a direct replacement for the original separator in your compressor.
How do I install this separator?
Installation is similar to the OEM part. Turn off and depressurize the compressor, remove the old separator, clean the housing, and install the new one. Ensure proper sealing and torque to manufacturer specifications.