Atlas Copco Oil Sep.Element – 2903 0623 01

Quick Specs

– Part Number: 2903 0623 01
– Description: Oil Sep.Element
– Application: GA5/GA7/GA11
– Product Status: Original
– Availability: In Stock

Ready to order or need a lead time quote?
Our team responds within 24 hours.

WhatsApp: +86 176 2510 0968

The Atlas Copco Oil Sep. Element 2903-0623-01 (=1622-0623-01) is a genuine oil separator element. Independent sources reference it for both the GX2-GX5 series and the GA5/7/11C range — if you’re unsure which applies to your compressor, send us your nameplate model and we’ll confirm before you order.

Technical Details

Part Number2903062301
DescriptionOil Sep.Element
BrandAtlas Copco
Product StatusOriginal
Service Life 
Weight0.52kg
Dimension13*8*8cm
ApplicationGA5/GA7/GA11
PackagingBox
AvailabilityIn Stock
Country of OriginGermany

Equivalent / Replaced Part Numbers

– 1622062301

Compatibility and part numbers are for reference only.

Pressure Differential

Watch the Pressure Differentia l,Not Just the Calendar

Oil separators are rated for a specific pressure drop (ΔP) across the e lement.As the element loads up with oil and particulate over time,this differential rises — most compressors with a differential pressure gauge or sensor will show this directly,and it ‘s a far more reliable replacement trigger than a fixed time interval,since the rate of loading depends on oil consumption and duty cycle.Waiting until the differential hits a warning threshold,rather than guessing based on hours alone,avoids both premature replacement and running an element too long.

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

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.

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.

Yes — oil carryover can affect pneumatic tools,spray equipment,or any process that relies on clean compressed air.

Yes.Parts are sourced through Atlas Copco distributor channels.

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.

 Yes. We provide full photos and video of the actual item before shipment, and confirm everything is correct with you prior to dispatch.

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