Sherwood M71 Flange Mounted Raw Water Cooling Pump (1-1/4" Ports)

Part No: SWM71

This is a genuine Sherwood M71 flange mounted boat engine cooling pump, using raw water intake (river water or sea water) to cool the engine. The Sherwood M71 is supplied with a 12 vane through key drive flexible neoprene impeller.

The Sherwood M71 flexible impeller engine cooling pump replaces the Sherwood pumps M70 and M71-01.

Typical applications for the Sherwood M71 pump include: Cummins B series engines, Cummins 4B (up to 150HP) and 6B (up to 210HP) engines, replaces Cummins pumps 3912019 and 3907458.

The raw water engine cooling pump is the heart of the marine engine, supplying a continuous flow of raw water to maintain temperatures consistent with the demanding engine performance. Sherwood raw water pumps have a reputation of excellence in quality; and are chosen for their performance and dependability by the most prestigious marine engine manufacturers.

Sherwood pumps are one of the largest suppliers of flexible rubber impeller cooling pumps for marine engines in the USA. Their pumps can be found on some of the most well known engine brands in both pleasure and commercial boats.

To ensure that your boat engine cooling pump performs as required, regular preventative maintenance and inspection should be carried out. The Sherwood engine cooling pump impeller should be replaced every 3 - 12 months depending on application.

The number one reason for premature engine wear is overheating. To maintain engine performance, insist upon genuine Sherwood impeller pumps, impellers and service kits.

Sherwood M71 Spare Parts:

Key | Spare Parts | Part Number | Quantity

1 | Shaft | 14159 | 1

2 | Retaining Ring | 4259 | 2

3 | Spacer | 5133 | 1

4 | Body | 14160 | 1

5 | Retaining Ring | 4259 | 2

6 | Cap Screw | 12857 | 3

7 | Lockwasher | 12710 | 3

8 | Gasket | 12855 | 1

9 | O-Ring | 12231 | 1

10 | Cam Plate | 10944 | 1

11 | Cam Screw | 10515 | 1

12 | Woodruff Key | 4432 | 1

14 | Oil Lip Seal | 10514 | 1

15 | Ball Bearing | 23448 | 2

16 | Retaining Ring | 4258 | 2

17 | End Plate | 12856 | 1

18 & 19 | Water Mechanical Seal/Seat Assembly | 12859 | 1

20 | Flat Washer | 4264 | 1

21 | Rubber Impeller | 10615 | 1

22 | Housing | 12228 | 1

28 | Gear | 14184 | 1

| Minor Repair Kit | 23976 |

| Major Repair Kit | 23977 |