Champion RN3G Spark Plug Standard

The Champion RN3G is a discontinued spark plug that is no longer manufactured. Where a current equivalent exists it is shown in the alternatives below.A Champion nickel-alloy spark plug built to the manufacturer's original specification for this application. Champion plugs have been fitted as original equipment for over a century, and this standard type gives dependable ignition, straightforward servicing and easy gapping.Heat (NGK scale) is our conversion of the Champion heat number onto the NGK scale, so plugs from different makers can be compared on one hot-to-cold ladde