For 12358, Alternator For Denso, Mercury Marine 12V 50 amp CW 8 lbs RN 101211-302, 101211-3020, 101211-3021 For Denso 821663, 821663-1, 821663A1 Mercury Marine 18-6449 Sierra For Mariner Engine – Marine 225 (Carb) GM 3.0L - 183ci - 6cyl 0000 225 (EFI) GM 3.0L - 183ci - 6cyl 0000 225 SEA PRO (Carb) GM 3.0L - 183ci - 6cyl 0000 250 (EFI) GM 3.0L - 183ci - 6cyl 0000 225CXL 3.0L - 185.0ci - 225 H.P. 1994-1999 225CXL EFI 3.0L - 185.0ci - 225 H.P. 1995-2000 225CXL Seapro 3.0L - 185.0ci - 225 H.P. 1996-1998 225CXXL 3.0L - 185.0ci - 225 H.P. 1994-1999 225CXXL EFI 3.0L - 185.0ci - 225 H.P. 1995-2000 225L 3.0L - 185.0ci - 225 H.P. 1994-1999 225L EFI 3.0L - 185.0ci - 225 H.P. 1996-2000 225XL 3.0L - 185.0ci - 225 H.P. 1994-1999 225XL EFI 3.0L - 185.0ci - 225 H.P. 1995-2000 225XXL 3.0L - 185.0ci - 225 H.P. 1994-1999 225XXL EFI 3.0L - 185.0ci - 225 H.P. 1995-2000 250CXL EFI 3.0L - 185.0ci - 250 H.P. 1995-2000 250CXXL EFI 3.0L - 185.0ci - 250 H.P. 1995-2000 250XL EFI 3.0L - 185.0ci - 250 H.P. 1995-2000 250XXL EFI 3.0L - 185.0ci - 250 H.P. 1995-2000 300CL Promax Racing 3.0L - 185.0ci - 300 H.P. 1998-2000 300CXL Promax Racing 3.0L - 185.0ci - 300 H.P. 1998-2000 300L Promax Racing 3.0L - 185.0ci - 300 H.P. 1998-2000 300XL Promax Racing 3.0L - 185.0ci - 300 H.P. 1998-2000 Tech Notes Regulator Clock: 3:00 Fan Location: Internal Regulator Location: Internal Stud Size: M6-1.0 Polarity: Negative Pulley Grooves: 1 Pulley Type: Solid