Kleenz Oil Flush

Kleenz Oil Flush


Castle® Kleenz Oil Flush™ is a safe, effective way to internally clean engines. Its mild formula works to break through and soften deposits of oil, dirt, and sludge. Kleenz Oil Flush™ will not harm seals, and can be used alone, with fluid exchange, or a power flush system.


  • Cars
  • Trucks


1. Pour one bottle into warm engine crankcase.
2. Start and run engine at idle speed for at least 15 minutes.
3. Remove and replace old oil and filter.
4. Add one bottle of Castle® OEG™ to fresh oil.


  • 16 oz (#C1646) 12/case

Product #:


Print this page.

Download PDF:

Contact Us

Use the convenient Contact form to email your questions or comments, or call us at:

Local   905-894-0262

Toll-free 1-800-267-1779

U.S. Customers
Castle AutoChem Products Ltd services Canadian customers only.

U.S. customers, please visit the Castle U.S. Website,
or call 1-800-876-0222.