Sherwood® 25154 water pump repair kit (major) G3001

This kit contains: 

• Impeller 30000K
  
• Pin 21566
• Retainer 23115
• Retainer 23091
• Quad ring 23111
  
• Seal & seat 23906
  
• Lip seal 25153
  
• Cam 25072
  
• Water pump cover 23113
  
• Wear plate 23112
  
• Thrust washer 23195
• Bearing shield 23922
• Bolt 23194
• Washer 23196

Impeller specifications:

• Diameter: 4-1/2" ~ 114.30mm
• Width: 4-5/16" ~ 109.50mm
• Shaft: 15/16" ~ 23.80mm
• Blades: 10 
• Keyway: 10 tooth spline
• Material: Neoprene

This product replaces the following manufacturer's part nr:

• Sherwood Pumps order number: 25154, SHE25154
  

The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.

Sherwood suggests that impellers be replaced annually, or at least on an annual basis, depending on their use. Nonetheless, it is advisable to inspect them frequently to detect any excessive abrasions or damage. In the scope of preventive maintenance, a new impeller kit is placed every year when the use of your boat is light duty (pleasure boating with low hours). If the use is more intense, or you use your boat in silt and sand, it is advised every six months. When it comes to commercial use, the aforementioned periods are shortened to 6 and 3 months, respectively. Further parts are required to be replaced within your maintenance cycle so as to keep your pump in working condition. A minor kit is needed bi-yearly/yearly for pleasure boating (light duty/severe duty), while for commercial boating, it is required yearly/twice a year (heavy duty/severe duty). Lastly, a major kit is required every 4 years/2 years for leisure activity or every two years/yearly for commercial use. A Sherwood impeller kit is usually made up of an impeller and its relevant installation(s) gasket(s). A minor repair kit includes all the above, plus snap rings and/or a mechanical seal and a wear plate if needed. Lastly, a major kit includes all the aforementioned parts, plus bearings, a cam, and often a water pump shaft. Of course, all these parts are varied as per the intended pump model to repair. Engine overheating is the primary cause of premature engine wear, and any issues with the impeller can result in this.