Warranty

Automotive Warranty

Part Numbers: E3.40, E3.42, E3.44, E3.46, E3.48, E3.50, E3.54, E3.56, E3.58, E3.60, E3.62, E3.64, E3.66, E3.68

E3® Automotive spark plugs used for personal, family or household purposes are warranted to provide an experience of more power on less fuel, quicker starts and less fouling than competitive 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.

Small Engine Warranty
Part Numbers: E3.10, E3.12, E3.14, E3.16, E3.18, E3.20, E3.22

E3® Small Engine 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.

PowerSports Warranty
Part Numbers: E3.30, E3.32, E3.34, E3.36

E3® PowerSports 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.