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Jim Brierley · 09-01-2019, 10:59 AM

I don't think so. The B pump has 3 mounting bolts, the Miller has 4 and would accept the A pump but should have the Miller pump which is like the A but has an air-bleed hole at the top. By the time you put an adapter from 3 bolt to 4 bolt the pulleys wouldn't line up, HOWEVER, if you have the '33-'34 B pump which is shorter, an adapter could possibly be made to work???

09-01-2019, 10:59 AM	#3
Jim Brierley Senior Member Join Date: Jun 2010 Location: Temecula, CA Posts: 4,088	Re: B4 water pump on “A” OHV conversion I don't think so. The B pump has 3 mounting bolts, the Miller has 4 and would accept the A pump but should have the Miller pump which is like the A but has an air-bleed hole at the top. By the time you put an adapter from 3 bolt to 4 bolt the pulleys wouldn't line up, HOWEVER, if you have the '33-'34 B pump which is shorter, an adapter could possibly be made to work???