Welcome to Zerelli Technologies Inc.

Our mission at Zerelli Technologies is to provide the most innovative and dependable sealing systems at a competitive price.



Our products include:


  • Oil seals (up to 500mm OD or 19.685"). Larger sizes available through other certified sources.
  • Oil bath seals (Truck hub seals for most OEM sizes)
  • O-rings
  • V-rings
  • Gama rings
  • Valve stem seals
  • Specialty PTFE seals
  • Bearing seals
  • Mechanical seals
  • Wiper seals
  • Bore plugs (Screw caps)
  • Custom molded rubber products.


 More Info


Seal Design

The easiest way for us to help you with your application is to learn as much as possible about it before we design a seal and/or sealing system. The link below will walk you through everything we need to get started. More Info


Online Catalog

online catalog

Currently our on-line catalog allows you to search for seals by seal size range and soon you will be able to search by competitor part numbers as well. More Info


Failure Analysis

The Failure Analysis section provides a number of interactive guides and forms to help you determine the cause of your seal leaks and/or failures. In addition to these on-line resources we would welcome the opportunity to work with you on finding a solution to your problem. More Info



Zerelli Technologies offers regional technical training seminars for seals.  Training will cover:


  • Seal basics and seal design
  • Materials and material selection
  • Cost drivers related to production of seals
  • Extending seal life
  • Handling and installation (best practices)
  • Industry specifications - RMA (Rubber Manufacturers Association) guidelines
  • Sealing system failure analysis


More info





February 23rd
Here is a great article on grease compatibility . . .
The Skinny on Grease Compatibility

July 30th
 Here is a link to a great article about how to avoid particulate contamination . . . Obviously it goes without saying that a sealing...
How to Avoid Particulate Contamination