Per Cummins, the use of original equipment spark plugs will keep your Cummins Onan genset working properly. Use of other non-resistive plugs can cause generator shut downs without fault codes.
Fits Onan Generator Models: Carb – HGJAC (Spec A-K), LP LiQuid – HGJAC (Spec A-K), LP Vapor – HGJAC (Spec A-K), Carb – HGJAB (Spec A-K), LP LiQuid – HGJAB (Spec A-K), LP Vapor – HGJAB (Spec A-K), LP Liguid – HGJAA (Spec A-K), EFI – HGJAA (Spec A-K), LP Vapor – HGJAA (Spec A-K)
