This set includes two exhaust water shutters, part number 807166A3, designed to fit Mercruiser engines manufactured between 1982 and 1998.These components are compatible with 5.0L and 5.7L V8 models as well as 4.3L V6 models.This item corresponds to Sierra part number 18-2732. Compatible Mercruiser engine models include: 185 2 BBL (1985-1987), 175 2 BBL (1987), 200 2 BBL (1987), 200 2 BBL 200HP (1985-1986), 205 4 BBL (1985-1987), 228 4 BBL (1982-1984), 230 4 BBL (1985-1987), 260 4 BBL (1982-1987), 260 GM (1982-1987), 350 MAG (1986-1995), 4.3L 2 BBL (1988-1992), 4.3L GEN II 2 BBL (1992-1995), 4.3LX 4 BBL 205HP (1988-1992), 4.3LX GEN II 4 BBL (1992-1995), 454 MAG ALPHA GM (1986-1988), 454 MAG BRAVO GEN (1992-1994), 5.0L 2 BBL (1988-1995), 5.0LX 4 BBL (1988-1995), 5.7L ALPHA EFI (1995), 5.7L BRAVO EFI (1995), 5.7L GM (1988-1995), 530 D-TA (1989), 636 D-TA (1989), 7.4L (1988-1991), 7.4L BRAVO GEN (1992-1996), 898 2 BBL (1983-1984), D183 TURBO AC (1990-1993), D219 TURBO AC (1990-1993), D254 TURBO AC BRAVO VM 254 (1990-1993), D254 TURBO AC VM 254 (1990-1993), D3.0L BRAVO VM 183 (1994-1996), D3.0L VM 183 (1994-1996), D3.6L BRAVO VM 219 (1994-2000), D3.6L VM 219 (1994-2000), D4.2L/220 IDI (1994-1998), and D4.2L/220 IDI VM 254 (1999-2002). This product replaces the following part numbers: OEM 14348, 14348A1, 14348A2, 807166A3; Sierra 18-2732; GLM 89170; and Mallory 9-42802.The package contains two exhaust water shutters matching the visual representation provided.