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emmd61

What was stock 1964 riviera fuel pump unit?

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My 64 buick 425 dual quad engine fuel pump died. It is a sealed aftermarket unit. I would like to get and rebuild a stock pump. What pump unit number is it? I think it was originally an AC fuel pump.

 

Thanks 

 

Arthur in NC

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I thought Rock Auto would have one but the don't.  BUT, they did list the OE part numbers.  6415631, and 6440371

 

Google those numbers and you can find some sources IF you want the original ACDelco. Rock Auto and your local jobber should have an aftermarket for you.

 

 

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The original fuel pump on a '64 Riviera would have been a rebuildable style AC pump. Here is a link to one on ebay:

https://www.ebay.com/itm/1959-1966-Buick-Electra-Riviera-Wildcat-rebuilt-fuel-pump-4706/123450796026?fits=Year%3A1964|Model%3ARiviera&epid=18007848413&hash=item1cbe3da7fa:g:4B8AAOSwCMVbrYB~:rk:9:pf:0&vxp=mtr

You would probably need install a modern ethanol-resistant rebuild kit in it in order to have a safe, reliable pump.

I found an decent original pump in a junkyard car years ago and rebuilt it for my 1965 Riviera. Works great.

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