6.3789.1
Roll over image to zoom in Click on image to zoom
6.3789.1
How to Install a Drop-In Separator on a Rotary Screw Compressor

Kaeser Separator Replacement - 6.3789.1

Kaeser ReplacementSKU: 6.3789.1
Price:
$199.00
Stock:
In Stock

Description

Kaeser Separator Replacement - 6.3789.1

Maintain cleaner compressed air and dependable compressor performance with the Kaeser Separator Replacement - 6.3789.1, an air/oil separator element designed for compatible Kaeser rotary screw compressors. This separator removes entrained lubricant mist from the compressed air stream while allowing separated oil to remain within the compressor lubrication system. Replacing a worn or restricted separator can help reduce oil carryover, control pressure drop, maintain efficient airflow, and support reliable compressor operation.

  • Reduces Oil Carryover: Helps separate lubricant mist from compressed air to support cleaner discharge air and proper oil recovery.
  • Supports Compressor Efficiency: A clean separator helps minimize pressure differential and maintain dependable airflow through the compressor system.
  • OEM Compatible Replacement: Built as a replacement for Kaeser part number 6.3789.1 to support proper fitment, separation performance, and compressor reliability.

Help reduce lubricant carryover, maintain cleaner compressed air, and support dependable compressor performance with the Kaeser Separator Replacement - 6.3789.1, a reliable replacement separator for compatible Kaeser rotary screw compressors.

Why Choose Us?

  • OEM-Equivalent Quality: Our parts meet or exceed OEM standards - at a fraction of the price. You're not paying extra for a logo.
  • Not Just Another Marketplace: We're not just a place to buy parts or oil. We're compressor experts who can provide personalized guidance and reliable support.
  • All Brands, No Restrictions: Unlike many distributors who are tied to OEM agreements, we sell and service parts for all major compressor brands. Can't find what you need? We'll help you get it.
  • USA-Based Support: Talk to real people in Greenville, SC, who know compressors and are ready to help.

Still curious? Learn more about our Inlet to Outlet™ Promise and see why so many customers trust us as their go-to compressor partner.

Other Kaeser Products to Check Out:

In addition to the Kaeser Separator Replacement - 6.3789.1, we have Kaeser Air Filters, Kaeser Oil Filters, Kaeser Separators, Kaeser Oil and more to help you keep your Kaeser Compressor in top shape.

Recently viewed

Frequently Asked Questions

Is the 6.3789.1 separator compatible with my Kaeser compressor?

The 6.3789.1 is an air-oil separator element used on compatible Kaeser oil-injected rotary screw compressors.

Always verify 6.3789.1 in your parts manual before ordering. Not sure? Reach out with your compressor model and serial number and we’ll help confirm compatibility.

What does the 6.3789.1 separator do?

Air/oil separators are responsible for removing oil aerosols and oil carryover from compressed air before that air leaves the compressor package. This allows oil to return to the sump while helping deliver cleaner compressed air downstream. 

How often should the 6.3789.1 separator be replaced?

Air/oil separators are commonly replaced about every 4,000 hours, depending on operating conditions and maintenance practices. They should be inspected regularly and replaced if signs of restriction, declining efficiency, or increased oil carryover are present.

Is this an OEM part?

This is an OEM-equivalent replacement separator designed to meet or exceed the fit and performance standards of the original Kaeser component while offering a cost-effective alternative.

Why is it important to replace my separator regularly?

A worn or overloaded separator can allow more oil carryover into the compressed air stream and may also contribute to reduced system efficiency. Replacing the separator on schedule helps support cleaner compressed air, proper oil separation, and more reliable compressor performance.  

How difficult is it to install?

Separator replacement is generally a routine maintenance task, though the process depends on the compressor’s separator housing design. Because this component is part of the pressurized air/oil system, the compressor should always be shut down, isolated, and fully depressurized before service is performed.

Do you carry other parts for Kaeser compressors?

Absolutely. We stock air filters, oil filters, separators, lubricants, and more for Kaeser compressors. If you don’t see what you need, just ask. We’re happy to help.

Where do your products ship from?

All parts ship from our Greenville, South Carolina warehouse. Our USA-based team ensures fast shipping and dependable customer support whenever you need it.