Quote:
Originally Posted by AZ_1LE
GM worked with Melling and fixed the issue. There have been around 6 part number revisions. No need to wait for Katech.
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I agree with using OEM over an unproved aftermarket option.
That said, I do want to point out that GM changes part numbers on parts all the time. A part number change does not mean the part was revised. The 6 part number changes on the pump doesn't mean it went through some physical revision change each time. I think that's somewhat of a misconception.