E3 Warranty Information

The following is a summary of manufacturer warranty terms. This summary in no way modifies or supersedes the original terms.

E3® automotive spark plugs properly installed in non-commercial equipment, for household purposes are warranted to provide better performance than standard spark plugs, and to be free of defects in material or workmanship, for five years or 100,000 miles from the date of purchase.

E3® Automotive spark plugs installed in any modified engine, or used in any racing, aircraft, commercial, institutional or industrial application, are not covered by this or any other warranty. Further, this warranty does not cover spark plugs damaged by abuse, accident or improper installation or application. 

Part Numbers: E3.40, E3.42, E3.44, E3.46, E3.48, E3.52, E3.53, E3.54, E3.56, E3.58, E3.60, E3.62, E3.64, E3.66, E3.68, E3.70, E3.72, E3.74, E3.80, E3.81

E3® lawn & garden spark plugs properly installed in non-commercial equipment, for household purposes are warranted to provide better performance than standard spark plugs, to properly
discharge a spark, and to be free of defects in material or workmanship, for the life of the first engine in which they are installed.

E3® lawn & garden spark plugs installed in any modified engine, or used in any commercial, institutional or industrial application, are not covered by this or any other warranty. Further, this
warranty does not cover spark plugs damaged by abuse, accident, racing or improper installation or application. 

Part Numbers: E3.10, E3.12, E3.14, E3.16, E3.18, E3.20, E3.22, E3.24

E3® POWERSPORT spark plugs properly installed in non-commercial equipment, are warranted to provide better performance than standard spark plugs, to properly discharge a spark, and to be free of defects in material or workmanship, for 90 days from the date of purchase.

E3® POWERSPORT spark plugs installed in any modified engine, or used in any commercial,
institutional or industrial application, are not covered by this or any other warranty. Further, this
warranty does not cover spark plugs damaged by abuse, accident, racing or improper installation
or application. 

Part Numbers: E3.31, E3.32, E3.33, E3.34, E3.36, E3.38

To initiate a warranty claim, download and fill out the form below, carefully following the instructions. This warranty form claim must be completed and the part sent within 30 days of part failure. Please contact us with questions.