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Sherwood Pump Impeller 10187 for 5/8" Shaft
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Sherwood 10187 Flexible 9 Vane Neoprene Impeller (Through Key)

Part No. SW10187

£71.90 You pay £71.90 Incl VAT You pay £59.92 Excl VAT

RRP £79.90 £66.58

Save £8.00 (10.0%) Save £6.66 (10.0%)


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Brand Sherwood
Model 10187
Suitability Sherwood Q10775G, Q10785G, S11085G & S11090G Pumps
Construction Neoprene
Depth 50mm (1-31/32")
Diameter 66mm (2-19/32"), Shaft 15.9mm (5/8")
Drive Type Key Drive
Number of Impeller Blades 9
Impeller Shaft Diameter 15.9mm
Dimensions Keyway: 4.8mm (3/16") Through Key
Replaces Crusader 1000269, 1001984, 1000270 & 1001985

Sherwood marine raw water pumps all feature a flexible neoprene impeller which attaches to the shaft. The shaft rotation powers the impeller which transfers the water by creating a vacuum on the inlet side and then forcing water out in a uniform flow on the outlet side. As such an important component, you should ensure that your pump impeller is always in top condition and that you always use the correct impeller for your application. This will help to ensure the best engine performance and prolong engine life.

Sherwood recommend that all impellers are replaced at least annually (depending on application) to maintain impeller performance, however it is good practice to inspect them often to check for excessive abrasions or damage. It is also recommended that during long periods of being unused, impellers should be removed from the pump housing to prevent ultraviolet deterioration, vanes setting into position and copper bonding of the impeller to the housing. Any issues with your impeller can lead to engine overheating, which is the main reason for premature engine wear.

This genuine Sherwood impeller is the 10187 model. It has 9 vanes and features a through key keyway. The neoprene impeller is designed to fit on a 5/8" pump shaft and should only be used to pump water.

This 10187 impeller is suitable for use in the following pumps:

Sherwood Q10775G pumps used in Crusader Chevy RH Rotation engines (Crusader 1000269).

Sherwood S11085G pumps used in Crusader Chevy RH Rotation engines (Crusader 1001984).

Sherwood Q10785G pumps used in Crusader Chevy RH Rotation engines (Crusader 1000270).

Sherwood S11090G pumps used in Crusader Chevy RH Rotation engines (Crusader 1001985).

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