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Shutter Water Flapper Exhaust Y Pipe for Mercruiser 807166A3

  • Part #: SIE18-2732

$34.95

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Exhaust Water Shutter Flapper for 4 Inch Y pipe used on Mercruiser.

Fits into the "Y" Pipe on most V-6 & V-8 engines to help prevent water from backing into the manifold and engine
swivel design and is sold in pairs

If your flapper currently has round grommets that hold it in, and a 4 inch Y-Pipe, then this is the correct flapper
If your current flapper is held in with square grommets, then you need MER807166A1

Replaces Mercruiser OEM # 807166A3
  • Does Not Fit 4.3 Engines Originally Equipped with the 1 Piece Exhaust Manifold


SIE18-2732
Brand Model Year HP Serial # Notes
Mercruiser Stern Drive 185 2 BBL. GM 1985
Mercruiser Stern Drive 205 4 BBL. GM 1985
Mercruiser Stern Drive 185 2 BBL. GM 1986
Mercruiser Stern Drive 205 4 BBL. GM 1986
Mercruiser Stern Drive 454 MAG. ALPHA GM 1986
Mercruiser Stern Drive 454 MAG. ALPHA GM 1987
Mercruiser Stern Drive 454 MAG. ALPHA GM 1988
Mercruiser Stern Drive 350 MAG ALPHA GM 1986
Mercruiser Stern Drive 350 MAG ALPHA GM 1987
Mercruiser Stern Drive 260 GM 1987
Mercruiser Stern Drive 230 4 BBL. GM 1987
Mercruiser Stern Drive 260 4 BBL. GM 1987
Mercruiser Stern Drive 200 2 BBL. GM 1987
Mercruiser Stern Drive 350 MAG ALPHA GM 1987
Mercruiser Stern Drive 350 MAG ALPHA GM 1988
Mercruiser Stern Drive 5.7L GM 1988
Mercruiser Stern Drive 350 MAG ALPHA GM 1989
Mercruiser Stern Drive 5.7L GM 1989
Mercruiser Stern Drive 350 MAG ALPHA GM 1990
Mercruiser Stern Drive 5.7L GM 1990
Mercruiser Stern Drive 350 MAG ALPHA GM 1991
Mercruiser Stern Drive 5.7L GM 1991
Mercruiser Stern Drive 350 MAG ALPHA GM 1992
Mercruiser Stern Drive 5.7L GM 1992
Mercruiser Stern Drive 350 MAG ALPHA GM 1993
Mercruiser Stern Drive 5.7L GM 1993
Mercruiser Stern Drive 350 MAG ALPHA GM 1994
Mercruiser Stern Drive 5.7L GM 1994
Mercruiser Stern Drive 350 MAG ALPHA GM 1995
Mercruiser Stern Drive 5.7L GM 1995
Mercruiser Stern Drive 175 2 BBL. GM 1987
Mercruiser Stern Drive 205 4 BBL. GM 1987
Mercruiser Stern Drive 7.4L BRAVO GM 454 1988
Mercruiser Stern Drive 7.4L BRAVO GM 454 1989
Mercruiser Stern Drive 7.4L BRAVO GM 454 1990
Mercruiser Stern Drive 7.4L BRAVO GM 454 1991
Mercruiser Stern Drive 4.3L 2 BBL. GM 262 1988
Mercruiser Stern Drive 4.3L 2 BBL. GM 262 1989
Mercruiser Stern Drive 4.3L 2 BBL. GM 262 1990
Mercruiser Stern Drive 4.3L 2 BBL. GM 262 1991
Mercruiser Stern Drive 4.3L 2 BBL. GM 262 1992
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1988
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1989
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1990
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1991
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1992
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1993
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1994
Mercruiser Stern Drive 5.0LX 4 BBL. GM 1995
Mercruiser Stern Drive 5.0L 2 BBL. GM 1988
Mercruiser Stern Drive 5.0L 2 BBL. GM 1989
Mercruiser Stern Drive 5.0L 2 BBL. GM 1990
Mercruiser Stern Drive 5.0L 2 BBL. GM 1991
Mercruiser Stern Drive 5.0L 2 BBL. GM 1992
Mercruiser Stern Drive 5.0L 2 BBL. GM 1993
Mercruiser Stern Drive 5.0L 2 BBL. GM 1994
Mercruiser Stern Drive 5.0L 2 BBL. GM 1995
Mercruiser Stern Drive 4.3LX 4 BBL. GM 1988 205
Mercruiser Stern Drive 4.3LX 4 BBL. GM 1989 205
Mercruiser Stern Drive 4.3LX 4 BBL. GM 1990 205
Mercruiser Stern Drive 4.3LX 4 BBL. GM 1991 205
Mercruiser Stern Drive 4.3LX 4 BBL. GM 1992 205
Mercruiser Stern Drive 530 D-TA (BRAVO & MIE) VM 183 1989
Mercruiser Stern Drive D183 TURBO AC (MCM & MIE) VM 183 1990
Mercruiser Stern Drive D183 TURBO AC (MCM & MIE) VM 183 1991
Mercruiser Stern Drive D183 TURBO AC (MCM & MIE) VM 183 1992
Mercruiser Stern Drive D183 TURBO AC (MCM & MIE) VM 183 1993
Mercruiser Stern Drive 636 D-TA (BRAVO & MIE) VM 219 1989
Mercruiser Stern Drive D219 TURBO AC (MCM & MIE) VM 219 1990
Mercruiser Stern Drive D219 TURBO AC (MCM & MIE) VM 219 1991
Mercruiser Stern Drive D219 TURBO AC (MCM & MIE) VM 219 1992
Mercruiser Stern Drive D219 TURBO AC (MCM & MIE) VM 219 1993
Mercruiser Stern Drive D254 TURBO AC VM 254 1990
Mercruiser Stern Drive D254 TURBO AC BRAVO VM 254 1990
Mercruiser Stern Drive D254 TURBO AC VM 254 1991
Mercruiser Stern Drive D254 TURBO AC BRAVO VM 254 1991
Mercruiser Stern Drive D254 TURBO AC VM 254 1992
Mercruiser Stern Drive D254 TURBO AC BRAVO VM 254 1992
Mercruiser Stern Drive D254 TURBO AC VM 254 1993
Mercruiser Stern Drive D254 TURBO AC BRAVO VM 254 1993
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1994
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1995
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1996
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1997
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1998
Mercruiser Stern Drive 7.4L BRAVO GEN. V GM 1992
Mercruiser Stern Drive 7.4L BRAVO GEN. V GM 1993
Mercruiser Stern Drive 7.4L BRAVO GEN. V GM 1994
Mercruiser Stern Drive 7.4L BRAVO GEN. V GM 1995
Mercruiser Stern Drive 7.4L BRAVO GEN. V GM 1996
Mercruiser Stern Drive 4.3L GEN II 2 BBL. GM 1992
Mercruiser Stern Drive 4.3L GEN II 2 BBL. GM 1993
Mercruiser Stern Drive 4.3LX GEN II 4 BBL. GM 1992
Mercruiser Stern Drive 4.3LX GEN II 4 BBL. GM 1993
Mercruiser Stern Drive D3.0L BRAVO VM 183 1994
Mercruiser Stern Drive D3.0L VM 183 1994
Mercruiser Stern Drive D3.0L BRAVO VM 183 1995
Mercruiser Stern Drive D3.0L VM 183 1995
Mercruiser Stern Drive D3.0L BRAVO VM 183 1996
Mercruiser Stern Drive D3.0L VM 183 1996
Mercruiser Stern Drive 454 MAG. BRAVO GEN. V GM 1992
Mercruiser Stern Drive 454 MAG. BRAVO GEN. V GM 1993
Mercruiser Stern Drive 454 MAG. BRAVO GEN. V GM 1994
Mercruiser Stern Drive D3.6L VM 219 1994
Mercruiser Stern Drive D3.6L BRAVO VM 219 1994
Mercruiser Stern Drive D3.6L VM 219 1995
Mercruiser Stern Drive D3.6L BRAVO VM 219 1995
Mercruiser Stern Drive D3.6L VM 219 1996
Mercruiser Stern Drive D3.6L BRAVO VM 219 1996
Mercruiser Stern Drive 4.3L GEN II 2 BBL. GM 1993
Mercruiser Stern Drive 4.3L GEN II 2 BBL. GM 1994
Mercruiser Stern Drive 4.3L GEN II 2 BBL. GM 1995
Mercruiser Stern Drive 4.3LX GEN II 4 BBL. GM 1993
Mercruiser Stern Drive 4.3LX GEN II 4 BBL. GM 1994
Mercruiser Stern Drive 4.3LX GEN II 4 BBL. GM 1995
Mercruiser Stern Drive 5.7L BRAVO EFI (TBI) GM 1995
Mercruiser Stern Drive 5.7L ALPHA EFI (TBI) GM 1995
Mercruiser Stern Drive 350 MAG BRAVO MPI GM 1995
Mercruiser Stern Drive 228 4 BBL. GM 1982
Mercruiser Stern Drive 260 GM 1982
Mercruiser Stern Drive 260 4 BBL. GM 1982
Mercruiser Stern Drive 228 4 BBL. GM 1983
Mercruiser Stern Drive 260 GM 1983
Mercruiser Stern Drive 260 4 BBL. GM 1983
Mercruiser Stern Drive 898 2 BBL. GM 1983
Mercruiser Stern Drive 228 4 BBL. GM 1984
Mercruiser Stern Drive 260 GM 1984
Mercruiser Stern Drive 260 4 BBL. GM 1984
Mercruiser Stern Drive 898 2 BBL. GM 1984
Mercruiser Stern Drive 200 2 BBL. GM 1985 200
Mercruiser Stern Drive 230 4 BBL. GM 1985
Mercruiser Stern Drive 260 GM 1985
Mercruiser Stern Drive 260 4 BBL. GM 1985
Mercruiser Stern Drive 200 2 BBL. GM 1986 200
Mercruiser Stern Drive 230 4 BBL. GM 1986
Mercruiser Stern Drive 260 GM 1986
Mercruiser Stern Drive 260 4 BBL. GM 1986
Mercruiser Stern Drive 185 2 BBL. GM 1987
Mercruiser Stern Drive 205 4 BBL. GM 1987
Mercruiser Stern Drive D3.6L VM 219 1997
Mercruiser Stern Drive D3.6L BRAVO VM 219 1997
Mercruiser Stern Drive D3.6L VM 219 1998
Mercruiser Stern Drive D3.6L BRAVO VM 219 1998
Mercruiser Stern Drive D3.6L VM 219 1999
Mercruiser Stern Drive D3.6L BRAVO VM 219 1999
Mercruiser Stern Drive D3.6L VM 219 2000
Mercruiser Stern Drive D3.6L BRAVO VM 219 2000
Mercruiser Stern Drive D4.2L/220 IDI VM 254 1999
Mercruiser Stern Drive D4.2L/220 IDI VM 254 2000
Mercruiser Stern Drive D4.2L/220 IDI VM 254 2001
Mercruiser Stern Drive D4.2L/220 IDI VM 254 2002


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