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Old 15-09-2013, 02:42   #1

Join Date: Feb 2011
Location: medusa NY
Boat: Tayana Surprise 45 schooner "Union Pacific"
Posts: 2,098
Water pump pulley, all created equal?

here is something in my 31 years i have never tried to do before.
i need to move into a 2 groove water pump pulley, so i can run 2 belts on my alternator. i am going from 90 amps, to 200, and 1 V belt will not cut it.
so i need a proper pully to fit my waterpump, any good ideas where i can find one cheap?

here is my alt breakdown.

here is the pulley they sell for the engine with 2 grooves.
Westerbeke, Pulley, Fresh Water Pump 2 Gr, 31110, 031110
very over priced. they also make a 4 belt unit, i would rather have, but it costs $400!!!
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Old 15-09-2013, 05:45   #2
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Join Date: Feb 2011
Location: Cocoa, FL
Boat: Wittholz 39' Cutter by Kanter, CSY 37 Cutter
Posts: 598
Images: 4
Re: Water pump pulley, all created equal?

You might try this site if you are handy and have all the right dimensions of your pulley


Discount Marine Source

Pulley,Fresh Water Pump 2 Gr

Part# JHW-031110
Manufacturer Part# 031110

Regular Price: $300.95
On Sale For: $260.95
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