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Brand new, genuine Mercury Idler Pulley Mount Nut (.437-20). This is a factory original equipment part, not aftermarket. Fits: MERCRUISER 4.3LX (GEN +) (2 BBL.) GM 262 V-6 1996-1997 MERCRUISER 4.3LXH (GEN +) (4 BBL.) GM 262 V-6 1996-1997 MERCRUISER 5.7L (2 BBL.) GM 350 V-8 1997 MERCRUISER 5.7LX (4 BBL) GM 350 V-8 1997 MERCRUISER 7.4L MIE (LH) GEN. V GM 454 V-8 1992-1996 MERCRUISER 7.4L MIE (LH) GEN. VI GM 454 V-8 1996-1997 MERCRUISER 7.4L MIE MPI (LH) GEN. VI GM 454 V-8 1996-1997 MERCRUISER 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 MERCRUISER 350 MAG. ALPHA (4 BBL.) GM 350 V-8 1997 RACE STERNDRIVE 420 GM 454 V-8 1987-1989 RACE STERNDRIVE 425 GM 454 V-8 1990-1992 RACE STERNDRIVE 425 (GEN. V) GM 454 V-8 1992-1993 RACE STERNDRIVE 465 GM 502 V-8 1990-1992 RACE STERNDRIVE 465 (GEN. V) GM 502 V-8 1992-1994 RACE STERNDRIVE 525 SC GM 454 V-8 1991-1992 RACE STERNDRIVE 525 SC (GEN. V) GM 454 V-8 1992-1995 .
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