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

Part No. SWM71

£482.51 You pay £482.51 Incl VAT You pay £402.09 Excl VAT

RRP £536.12 £446.77

Save £53.61 (10.0%) Save £44.68 (10.0%)


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Brand Sherwood
Model M71
Inlet / Outlet To suit 32mm (1-1/4") ID Hose
Drive Type Gear Driven
Replacement Impeller SW10615K
Repair Kit SW23977 Major Kit, SW23976 Minor Kit
Replaces Sherwood pump models M70 & M71-01, Cummins pumps 3912019 and 3907458.
Applications Cummins B series engines and Cummins 4B (up to 150HP) & 6B (up to 210HP) engines.
Mounting Flange Mount

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. Over the years, Sherwood raw water pumps have developed a reputation of excellence in quality; and today 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. Sherwood pumps can be found fitted on some of the most well known engine brands in both pleasure and commercial boats.

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 complete with a 12 vane through key drive flexible neoprene impeller.

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.

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

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

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