AC Delco 41-993 Spark Plug Replaces PCM RP030011
Includes 8 Plugs
- AC Delco Iridium Spark Plug
- Replaces AC Delco 41-932
- Replaces Crusader RP030011
- Replaces NGK PTR4G-15
- Replaces Volvo Penta 3861326
Recommended by the manufacturers for optimum performance, these spark plugs are the correct heat range for your marine engine