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Sherwood Pump Impeller 10077K for 1/2" Shaft
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Sherwood 10077K Flexible 12 Vane Neoprene Impeller Kit (Through Key)

Part No. SW10077K

£34.08 You pay £34.08 Incl VAT You pay £28.40 Excl VAT

RRP £37.86 £31.55

Save £3.78 (10.0%) Save £3.15 (10.0%)


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Brand Sherwood
Model 10077K
Suitability Pumps: Sherwood A20, E05, E20, G701-01, H70, M10095G, M10261G, N10360GX, Q10805G, Q10840, R30G, R30G-1-01, Chris Craft 16.80-10003, Gray Marine G80561, Onan 132-0358, Westerbeke 24102, 24143
Construction Neoprene
Depth 20mm (25/32")
Diameter 57mm (2-1/4"), Shaft 12.7mm (1/2")
Drive Type Key Drive
Number of Impeller Blades 12
Impeller Shaft Diameter 12.7mm
Dimensions Keyway: 2.4mm (3/32") Through Key

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 10077K model and is supplied complete with an O-ring, gaskets and a technical guide. It has 12 vanes and features a through key keyway. The neoprene impeller is designed to fit on a 1/2" pump shaft and should only be used to pump water.

This 10077K impeller is suitable for use in the following pumps:

Sherwood M10261G pumps used in Chris Craft Model B engines.

Sherwood M10095G & N10360GX pumps used in Chris Craft Model 283 engines (Chris Craft 16.80-10003).

Sherwood E20 pumps used in Palmer I.H.60 engines.

Sherwood Q10840 pumps used in Gray Marine Gov engines (Gray Marine G80561).

Sherwood G701-01 pumps used in Onan 6.5-10 KW engines (Onan 132-0358).

Sherwood Q10805G pumps used in Medalist Model OK-OL engines.

Sherwood E05 pumps used in Light Plants engines.

Sherwood A20 pumps used in Westerbeke Pilot 10-20 engines.

Sherwood R30G-1-01 pumps used in Westerbeke diesel 6 cylinder engines (Westerbeke 24102).

Sherwood H70 pumps used in Westerbeke Gov Life Boat engines (Westerbeke 24143).

Sherwood R30G pumps.

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