Sherwood® 23981 major water pump repair kit, suitable for the following pumps:

• G151 [StarPower inboard engines]
• G155 [StarPower sterndrive engines (StarPower 800790MI)]
• G157 [Marine Power engines]
• G1508, G1508-01
• GC1, GC1-01, GC4, GC5, GC5-01

This kit contains: 

• Impeller 15000
• O-ring 12231
• Key 04432
• Snap ring, small 04258
• Bearings 12211
• Snap ring, large 04259
• Seal & seat 12314
• Washer 04264
• Cam 18398
• Wear plate 12856
• Washer 19996
• Screw 19995
• Gasket 12855

Impeller specifications:

• Diameter: 2-9/16" ~ 65.00mm
• Width: 2" ~ 50.80mm
• Shaft: 5/8" ~ 15.90mm
• Blades: 12 
• Keyway: 3/16" ~  4.70mm
• Material: Neoprene