The Autolite Powersports Spark Plug manufacturer part number 4194 is designed for long life. The 4194 fits select Honda Kawasaki Yamaha and Polaris motorcycles and ATVs. Since its inception the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. These plugs are specifically designed for each application to meet or exceed OE quality and performance. As a leading supplier of spark plugs the Autolite brand has the right ignition products for your application regardless of make or model import or domestic.