1621737600 Atlas Copco GA Series Air Filter Replacement | Cross Reference


1621737600 Atlas Copco Replacement Air Filter Element
1621737600 (also written 1621-7376-00) is an Atlas Copco air filter element used on GA
series rotary screw air compressors. DeMalong Filter manufactures a fully equivalent
aftermarket replacement air filter cartridge for this part number.
Specifications
| Filter Type | Air intake filter cartridge for rotary screw compressors |
| OEM Manufacturer / Supplier | Atlas Copco |
| Filter Media | Micro glass fiber media (multi-layer design for low initial pressure differential and extended service life) |
| Construction | Double static channel device for reliable operation under high pressure, high temperature, and corrosive conditions |
| Dimensions (OD / ID / Height) | Please provide the nameplate or your old filter's dimensions to confirm |
| Micron Rating | Please provide the nameplate or your old filter's dimensions to confirm the exact rating required for your machine |
| Test Standard | ISO 5011 (air filter efficiency and dust holding capacity) |
OEM & Equivalent / Cross Reference Part Numbers
| Brand | Part Number |
| Atlas Copco | 1621737600 / 1621-7376-00 |
| Atlas Copco (variant reference) | 1621737699 |
| Related GA-series air filter | 1635040800 / 1635-0408-00 |
| DeMalong Filter (our equivalent replacement) | Contact us for our part number |
Cross reference numbers are for identification purposes only. DeMalong Filter Inc. products are aftermarket replacements, not affiliated with, sponsored by, or manufactured by Atlas Copco.
Application Equipment & Industries
- Atlas Copco GA series oil-injected rotary screw air compressors
- Other Atlas Copco compressors using the same intake filter housing
- Industrial compressed air stations, manufacturing plants, and process air systems
The GA series spans many capacities with different filter sizes — please confirm your exact GA model before ordering.
Quality & Testing
DeMalong Filter elements are manufactured under ISO 9001 quality management and tested to
ISO 5011. The multi-layer micro glass fiber media delivers a low initial pressure
differential and extended service life, helping reduce compressor energy consumption over
the filter's operating period.
Packaging, Lead Time & Customization
| Packaging | Individual carton with DeMalong brand and part number, or neutral/customer-branded packaging on request |
| Samples | Available for testing and fitment verification before bulk order |
| Customization | Private labeling, custom packaging, and alternate media grades on request |
| Lead Time & MOQ | Varies by order quantity — contact us for a specific lead time and MOQ quote |
Frequently Asked Questions
- Which Atlas Copco compressors use 1621737600?
- It is used on GA series rotary screw compressors. Confirm your specific GA model with us so we can verify the correct element size.
- Is 1621737600 the same as 1635040800?
- They are both GA-series air filters and are frequently cross-listed together by aftermarket suppliers, but confirm your housing size before substituting one for the other.
- What media does this filter use?
- Micro glass fiber media in a multi-layer configuration, chosen for low initial pressure drop and long service life.
- Is your replacement a genuine Atlas Copco part?
- No. It is an aftermarket equivalent engineered to match the OEM's fit and filtration performance.
- How do I confirm the exact dimensions?
- Send us a photo of the nameplate or measure your old element's outer diameter, inner diameter, and height.
You know you have received a quality DeMalong Filter hydraulic filter when you our logo on the filter box with our brand name and part number.
Our filters are built with the highest quality and reliability in mind so you know your equipment is safe and can keep running smoothly.
DeMalong Filter hydraulic filters can be used in a variety of industries including but not limited to: power generation, defense, oil/gas, marine and other motor sports, shipping and transportation, railroad, mining, pulp and paper, steel making and manufacturing, entertainment and various other industries.
All of our elements are manufactured according to ISO specifications, including: ISO 16889, Clean DP (low and high visc.) - ISO 3968, Fluid compatibility - ISO 2943, Flow fatigue resistance - ISO 3724, Dirt capacity - ISO 16889, Collapse pressure - ISO 2941
All items marked "Replacement" or "Interchange" are not affiliated with the original manufacture where names and part numbers are for cross reference only. All trademarks are trademarks of their respective owners. Reference is made to the OEM solely to identify the compatibility of DeMalong Filter Inc. filter with the OEM filter.
Images may be general representations of products and may vary from image. All items are sold by 1 unit unless a pack size is listed in the title description.


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