Join Date: Dec 2011
Location: Kemah, TX
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Re: Atomic Diesel 5432 Fresh Water Pump
This is the info I used, supplied by another 'Sailnet' user. The local "Yacht" dealer wanted $450 for the fresh water pump. I got it on ebay for $72. Good luck. I hope this info answers your questions as it did mine.
So if you have a 5432 or M40 it is a V1501 Kubota engine. It was installed in Kubota L345 Tractors.
The Illustrated parts list for the L345 tractor is Kubota part number 97898-20530 for $30 (no procedures, just EVERY SINGLE PART NUMBER!)
The coolant pump for the V1501 is Kubota part number 15321-73032 for $121
Gasket for coolant pump is Kubota part number 15439-73430 for $2.20
Also, the Kubota shop manual the V1501, that contains EVERY procedure for rebuilding/servicing is Kubota part number 97897-00661
As a comparison, Torreson Marine gets $454 for the 5432/V1501 coolant pump, and $5 for the gasket. That is the EXACT same parts folks, just with the Westerbeke "marine" premium added on. Completely ridiculous and uncalled for, IMHO. Westerbeke doesn't make the part and likely doesn't even stock it. They slap their packaging on it with their part number and FOUR HUNDRED PERCENT MARKUP ON IT! Makes me sick, Westerbeke should be boycotted by boaters.
The Model 5432, a 91 cu in, 32 hp, 4 cylinder, based on the Kubota V-1501 block, was built from 1978 to 1982. It was also called the Atomic diesel. Approximately 650 were sold. It was replaced by the Model M40, which was produced from 1982 to 1998. The Model M-40 was also a 4 cylinder model, and the same size at 91 cu in and 32 hp but it was based on the Kubota V-1502 block. Approximately 360 were sold.
Theodore Roosevelt said “In any situation, the best thing you can do is the right thing; the next best thing you can do is the wrong thing; the worst thing you can do is nothing.”