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DYNAFLOW TRANSMISSIONS
PLEASE NOTE: The information on this site is no longer updated. For the most up to date information related to this page, please go to www.TeamBuick.com in the REFERENCE section.
NOTE: Following markings are stamped on aluminum plate low on the transmission, on left side and between the main transmission case and the front pump housing.
IDENTITY
LETTERUSAGE H '53 40 ser. J '53 50, 70 ser. K or M '54 40,60 ser. P '56 All R '57 All S '58 All T '55 50, 70 ser. W '59 All