Quote:
Originally Posted by 69B Z28
I found this bit of info when searching these part numbers.
According to Chevrolet & GM Parts History GM # 9751193 was replaced by GM # 9756251 in Aug. 1974 which was replaced with GM # 9761501 sometime between Jan. 1976 & Dec. 1981 which was replaced with GM # 9767113 sometime between Jan. 1982 & Jan. 1990.
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I haven't confirmed this information as 100% the answer. but I believe all the preceding part numbers had design changes. Including no Tabs . The 9751193 are a exact replacement for the OEM installed.