OK Spark Return Policy

We offer a 60 day money back guarantee if you are not fully satisfied with our product.  Simply return the unit with a brief explanation of why you are returning the unit along with proof of purchase within 60 days from your date of purchase.

Each OK Spark^® branded Spark Plug Sensor comes with a one (1) year manufacture warranty.  We will replace your unit for up to one (1) year from the date of purchase against any manufacture defect or workmanship.  To request a replacement unit, please contact us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it and request a Return Materials Authorization (RMA) number within one (1) year from the date of purchase.   We will not warrant any damage(s) as a result of misuse or improper use of our product. 

After receiving your RMA number, send your unit in a pre-paid mailer to the following address:

OK Spark USA, Inc.

250 Homer St.

Olean, NY 14760