CDI 631-0023 Spark Plug Wires The CDI 631-0023 is a 5 pack of Spark Plug Wires designed for Mercruiser, OMC, and Marine Power engines. 4 Cyl Mercruiser 3.0 LX 1991-97 Fits Marine Power 1993-2017 3.0L Mercruiser 1991-1994 3.0L 181c.i. 1998-2010 3.0L 181c.i. 1990-1994 3.0L GM 2012-2017 3.0L MPI 1996-2017 3.0LLX 2001-2010 3.0LMPI 181c.i. 1991-1997 3.0LX 181c.i. 1990-1995 3.0LX GM 1996-1997 3.0LX GM OMC 1990-1998 3.0L Replaces 18-8811-1 18-8833-1 84-816761Q14 9-28056 631-0023 California Residents WA