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Yes it would fit, it is a smaller engine a (4.5L V8 for the '89 vs. the 4.9L for the '93) but would it work with the 1993's transaxle and computer is the question. I am not sure because both engines were similar the 4.9L V8 is larger verison of the 4.5L V8 which was used in Devilles from 1988-1990.

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16y ago

What else can I help you with?