This starter motor is compatible with a range of 2-stroke outboard motors.It fits models with OEM part numbers 6J4-81800-00, 6J4-81800-01, and 6F5-81800-11.Compatible engine variants include: 25HP 25Q/L (1992–1994), 25HP 25J ETOS/L (1992–1999), 30HP 30D (2010–2012), 30HP 30D EOL (2010–2011), 30HP 30D ETOL (2010–2012), 30HP 30D/L (1993–2012), 30HP 30 ES/LH (1997–2001), 30HP 30 ES/LR (1987–2001), 30HP 30D MHS/L (1993–2005), 30HP 30D MHOS/L (1998–2008), 30HP 30D ETOS/L (1992–2011), 40HP 40 PLR (1992–1994), 40HP 40 ML/ULH (2001), 40HP 40 TL/UL(H)R (1994–2005), 40HP 40 MS/L/ULH (1996–2006), 40HP 40 PS/LR (1991), 40HP 40 ETL/UL (1989–1997), 40HP C40 TS/LR (1997–2003), 40HP 40H M(E/O)S/L (1992–1994), 40HP 40V/L (2010–2011), 40HP 40V (2010–2011), 40HP 40V EOL (2012–2017), 40HP 40V M(H/E/T)OS/L (1995–2010), 40HP 40Y M(E/T/H/O)S/L (2002–2009), 40HP EK40J M(W/)S/L (2003), 40HP K40J M(W/)S/L (1993–2002), 50HP 50D EMTOS/L (1992–1994), 50HP P50 S/L (PRO) (1989–1996), 50HP 50 M(W/E/T/H/O)S/L (1989–2009), and 50HP 50H M(W/E/D/T/H/O)S/L (1995–2010).This unit is designed as a direct replacement for starter motors and comes as a single piece in standard color as shown.