Atlas Copco 1621938499, direct aftermarket replacement. This separator is an aftermarket separator designed as a direct replacement for units in Atlas Copco compressors. It features borosilicate micro glass fibre media with a 3 µm filtration rating, ensuring efficient removal of contaminants. With a permissible flow of 1242 m3/h and an Out-In flow direction, this separator is built to the original dimensions and ratings. Its robust construction includes an o-ring type seal and a net weight of 13.08 kg, making it a reliable choice for industrial filtration needs.
Technical properties & cross references
Specifications
| Filtration Media |
Borosilicate micro glass fibre 3 µm |
| Media type |
Borosilicate micro glass fibre |
| Filtration Rating |
3 µm |
| Permissible Flow |
1242 m3/h |
| Flow direction |
Out-In |
| Hole diameter |
22 mm (7/8") |
| Total Height |
282 mm (11 3/32") |
| Type |
o-ring |
| Product Net Weight |
13.08 kg (28.84 lbs) |
| Largest Inner Diameter |
264 mm (10 13/32") |
| Outer Diameter |
350 mm (13 3/4") |
| Largest Outer Diameter |
597 mm (23 1/2") |
| 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 336.24 |
16 Oct 2026 |
| The Air Market |
USD 573.84 |
15 Oct 2026 |
| FilterFinder Online |
USD 692.00 |
15 Oct 2026 |
| Air Compressor Services |
USD 1,101.50 |
15 Oct 2026 |
| Compressor Parts Express |
USD 2,209.59 |
15 Oct 2026 |
| Spare Part Mart |
USD 268.99 |
Today |
Our price of USD 268.99 is 20% to 88% 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
High-Volume Air Systems
In facilities with large compressed air networks, this separator handles flow rates up to 1242 m3/h, ensuring consistent filtration without bottlenecks. This keeps production lines running smoothly even during peak demand.
Continuous-Duty Operations
For plants that run compressors 24/7, this separator's 3 µm borosilicate media provides reliable protection against particulate ingress, reducing unplanned downtime and extending equipment life.
Harsh Industrial Environments
In dusty or dirty settings, the Out-In flow design helps trap contaminants on the outer surface, making the separator effective for pre-filtration before downstream components.
Inventory Consolidation
By replacing multiple brand-specific separators with one cross-referenced part, maintenance teams can simplify stock and reduce procurement complexity across different compressor brands.
Frequently asked questions
How do I confirm this separator fits my Atlas Copco GA 110 compressor?
Check your compressor's serial number. This separator fits GA 110 models from s/n AIF084862 and s/n AIF056813, as well as GA 90 from those same serial number ranges, plus G 110 and G 110 W models.
What is the filtration rating and media type?
The separator uses borosilicate micro glass fibre media with a filtration rating of 3 µm, effective for capturing fine particulates in compressed air systems.
What are the key dimensions and seal type?
It has an outer diameter of 350 mm, largest outer diameter of 597 mm, largest inner diameter of 264 mm, total height of 282 mm, and a 22 mm hole diameter. The seal type is o-ring.
Is this an OEM or aftermarket part?
This is an aftermarket replacement built to the original dimensions and ratings. It cross-references brands including Atlas Copco, Fai Filtri, HiFi Filter, Mann-Filter, Noitech, Oxfil, Sotras, and T.G. Filter.
How do I install this separator?
Installation follows standard procedures for o-ring type separators. Ensure the flow direction is Out-In (flow from outside to inside) and verify the o-ring seals properly. Refer to your compressor manual for specific steps.