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4 Cyl, 151 cid (2.5L, VIN R, 8th digit)
6 Cyl, 204 cid (3.3L, VIN N, 8th digit)

Engine Assembly for 1991 Buick Century

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There are 2 choices for the 1991 Buick Century Engine Assembly !!!
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4 Cyl, 151 cid (2.5L, VIN R, 8th digit)
6 Cyl, 204 cid (3.3L, VIN N, 8th digit)

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