🔺【OEM PART NUMBER】For Yanmar Pumps: 128377-42500, 12837742500, 128397-42500, 12839742500, 128990-42510, 12899042510, 1121575-42200, 112157542200, For Johnson Pumps: 10-24509-01, 10-24509-02, 10-13337-01, 10-13492-01, F4B-902, F4B-903. 🔺【FITMENT】Compatible with 1996 1997 1998 1999 2000 2001 2002 2003 2004 Yanmar 2GM20F,3GM30F,2GM20-YEU, 2GM20C-YEU, 2GM20F-YEU, 3GM30-YEU, 3GM30C-YEU, 3GM30F-YEU . 🔺【PREMIUM PERFORMANCE】We use original impellers, NSK bearings, 304 stainless steel bolts for better performance. 🔺【Strict Quality Control】Manufactured in TS16949 certified facilities,100% function and leakage tested. 🔺【WARRANTY】1 Year. 128377-42500 Crankshaft Mounted Sea Water Pump