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Marine Power

Marine Power spark plug

Champion Spark Plugs for Marine Power Inboard Motors

Champion spark plugs are original equipment on many inboard and outboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below. You may also find the Champion spark plug code helpful.

Year Model / Engine Copper Plus Plug Alternate Plug Gap
700 HP
2000   RV15YC4 0.035
550 HP
1997-1992 540 V8 RV12YC 0.035
475 HP
2000-1992 502 V8 RV15YC4 0.035
440 HP
2002-1992 454 V8 RV15YC4 0.035
410 HP
2002-1992 502 V8 RV15YC4 0.035
390 HP
2002-1992 454 V8 RV15YC4 0.035
340 HP
2002-1992 454 V8 RV15YC4 0.035
2002-1998 Vortec MPI 7.4L V8 RV15YC4 0.035
330 HP
1991-1975 454 V8 RV15YC4 0.035
1991-1975 B V8 RV15YC4 0.035
1991-1975 BM V8 RV15YC4 0.035
325 HP
2002-1992 350 V8 RV15YC4 0.035
2002-1998 Vortec 5.7L V8 RS12YC 0.035
2002-1998 Vortec MPI 7.4L V8 RV15YC4 0.035
300 HP
2002-1992 350 V8 RV15YC4 0.035
264 HP
1997-1996 350 Premium V8 RS12YC 0.035
260 HP
2002-1992 350 V8 RV15YC4 0.035
225 HP
2000-1992 262 RV15YC4 0.035
2002-1998 Vortec 4.3L V6 RS12YC 0.035
200 HP
2000-1992 262 RV15YC4 0.035
1978-1975 181 Gasket Seat RN5C N5C 0.035
1991-1975 181 Tapered Seat .460" Reach RV15YC4 0.035
2002-1992 181 Tapered Seat .708" Reach RS12YC 0.035
2002-1999 502 500X V8 RV15YC4 0.035