Atlas Copco 2901056602, direct aftermarket replacement. This separator is a high-quality aftermarket separator designed as a direct replacement for units from Abac, Atlas Copco, HiFi Filter, Mann-Filter / Mann & Hummel, Noitech, Oxfil, and Sotras. With a body height of 175 mm and an outer diameter of 166 mm (largest diameter 300 mm), this separator is built to the original dimensions and ratings for reliable oil and moisture removal in compressed air systems. It weighs 2.79 kg and features a largest inner diameter of 105 mm, ensuring a secure fit in compatible housings.
Technical properties & cross references
Specifications
| Body Height |
175 mm (6 7/8") |
| Total Height |
175 mm (6 7/8") |
| Product Net Weight |
2.79 kg (6.15 lbs) |
| Largest Inner Diameter |
105 mm (4 1/8") |
| Outer Diameter |
166 mm (6 17/32") |
| Largest Outer Diameter |
300 mm (11 13/16") |
| 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 97.51 |
16 Oct 2026 |
| The Air Market |
USD 129.92 |
15 Oct 2026 |
| FilterFinder Online |
USD 139.00 |
15 Oct 2026 |
| Air Compressor Services |
USD 218.00 |
15 Oct 2026 |
| Compressor Parts Express |
USD 451.12 |
15 Oct 2026 |
| Spare Part Mart |
USD 78.01 |
Today |
Our price of USD 78.01 is 20% to 83% 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 compressors 24/7, this separator ensures consistent separation of oil and condensate, protecting downstream equipment from contamination and reducing maintenance frequency.
High-Humidity Environments
For operations in humid climates, this separator effectively removes moisture from compressed air, preventing corrosion in pneumatic tools and piping systems.
Fleet Maintenance Consolidation
Workshops servicing multiple compressor brands can stock this single separator as a cross-reference for Abac, Atlas Copco, and other listed brands, simplifying inventory management.
Retrofit for Older Compressor Models
When replacing separators on older units like the Abac Formula 30 (2012) or Atlas Copco GA 50 VSD, this aftermarket part offers a cost-effective alternative without compromising performance.
Frequently asked questions
How do I confirm this separator fits my compressor?
Check your compressor's model and serial number. This separator is verified for Abac Formula 30, 37, and 45 (2012) and Atlas Copco GA 50 VSD (s/n AII 350000). For other models, compare dimensions: body height 175 mm, outer diameter 166 mm, largest outer diameter 300 mm, and largest inner diameter 105 mm.
What is the filtration rating of this separator?
This separator is a coalescing separator designed to remove oil aerosols and moisture. The specific micron rating is not provided, but it meets the original dimensions and ratings for the listed cross-referenced brands.
Does this separator come with gaskets or O-rings?
This product is the separator element only. Gaskets and O-rings are not included. Reuse existing seals or purchase them separately.
Is this an OEM or genuine part?
No, this is an aftermarket replacement built to the original dimensions and ratings. It is a direct replacement for Abac, Atlas Copco, and other listed brand separators.
How often should I replace this separator?
Replacement intervals depend on operating conditions. Typically, separators are replaced every 1-2 years or when pressure drop increases. Consult your compressor manual for specific guidance.