This Hayden Drive Belt Idler Pulley fits your 1986 Buick Century 3.8L V6 and is perfect for a tune up or performance upgrade. .
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Hayden Drive Belt Idler Pulley for 1992-1995 Pontiac Bonneville 3.8L V6 - ti
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Hayden Drive Belt Idler Pulley for 1989-2003 Ford Thunderbird 3.8L V6 - xa
