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Discussion Starter #1
anybody know the sizes of the fuel pressure regulator o-rings? I smelled raw fuel yesterday and the regulator is shooting fuel like a geyser.

I don't really want to throw on an $80 regulator just for the o-ring, and #217-449 appears discontinued.

Thanks
Todd
 

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Discussion Starter #3

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It would be better to ask them for the STANDARD MOTOR PRODUCTS SK18 GM Fuel Line O-Ring Kit or any kit they have and check it against what you have. generic o-ring and high pressure gasoline are not words I like to put together. I just grabbed the SK18 and have not double checked it. Your GM dealer might surprise you with a updated number.
 

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Delphi regulator at Rock Auto is only $40.
 

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I bought the genuine Delphi replacement fuel pressure regulator back in mid-June 2020. P/N is FP10004. I have a note in my maintenance log that it cost me $54.98.
 
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