Atlas Copco Oil Separator – 2903 0351 01
Quick Specs
– Part Number: 2903 0351 01
– Description: Oil Separator
– Application: GA22
– Product Status: Original
– Availability: In Stock
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The 2903-0351-01 is Atlas Copco’s genuine oil separator for oil-injected screw compressors, officially listed as equivalent to the earlier part number 1622-0351-01 — the two are interchangeable. Independent parts suppliers consistently associate this separator with the GA22 model. Some aftermarket sources recommend annual replacement or every 8,000 hours, though we’d suggest confirming the exact interval against your compressor’s own maintenance schedule.
Technical Details
| Part Number | 2903035101 |
| Description | Oil Separator |
| Brand | Atlas Copco |
| Product Status | Original |
| Service Life | 8000 Hours |
| Weight | 1.34kg |
| Dimension | 26*12*12cm |
| Application | GA22 |
| Packaging | Box |
| Availability | In Stock |
| Country of Origin | Germany |
Equivalent / Replaced Part Numbers
– 1622035101
Compatibility and part numbers are for reference only.
Oil Carryover
Why a Failing Separator Is a Downstream Problem,Not Just a Compressor Problem
Unlike a clogged air or oil filter,which primarily affects the compressor itself,a degraded oil separator lets oil pass into your compressed air line — meaning anything downstream (pneumatic tools,spray equipment,or process air)can end up contaminated.If you ‘re seeing oil carryover in your air line,checking the separator element should be one of the first things you rule out,especially if oil consumption has also crept up without an obvious leak elsewhere.
If Oil Consumption Rises but the Separator Element Looks Fine
The separator element isn ‘t the only part of the system responsible for oil carryover.A scavenge line (the small return path that channels collected oil back into the lubrication circuit) can become blocked or its check valve can fail — when this happens,oil that the element successfully separated doesn ‘t return to circulation,and carryover can persist even with a element in good condition.If you ‘ve replaced the element and oil consumption hasn ‘t improved, checking the scavenge line and its orifice/check valve is the next place to look before assuming the new element is defective.
Common Questions
How do I know if my oil separator needs replacing?
Rising pressure differential (if your compressor has a gauge) is the most reliable indicator.Visible oil in the compressed air line,or a noticeable increase in oil consumption,are also signs worth investigating.
What 's the difference between an oil filter and an oil separator?
The oil filter cleans the lubricating oil circulating through the compressor.The oil separator removes oil that ‘s mixed into the compressed air stream after compression — they serve different stages of the same system.
Can a failing separator damage anything downstream?
Yes — oil carryover can affect pneumatic tools,spray equipment,or any process that relies on clean compressed air.
Are these genuine Atlas Copco parts?
Yes.Parts are sourced through Atlas Copco distributor channels.
What is the typical lead time?
Common consumables (filters, oil) typically ship within about 1 week. Lead time for other spare parts depends on stock availability — please contact us for a confirmed schedule.
Do you inspect parts before shipment?
Yes. We provide full photos and video of the actual item before shipment, and confirm everything is correct with you prior to dispatch.
What shipping options are available?
If you have your own freight forwarder, we can ship to them directly. If not, we can provide shipping options based on your preference.
Other Oil Separators We Supply
– Part No.2901 1626 10 – Atlas Copco Oil Separator Kit GA75
– Part No.3001 5311 06 – Atlas Copco Oil Separator Kit (A-D Vessel)
– Part No.2901 0858 00 – Atlas Copco Oil Separator Kit
– Part No.1614 9521 99 – Atlas Copco Oil Sep.Element
– Part No.2911 0075 01 – Atlas Copco Kit Element Separator M+H
– Part No.2202 9294 50 – Atlas Copco Separator Oil Packed
– Part No.1830 0154 60 – Atlas Copco Oil Separator Element