Sierra Marine Parts Catalog

785 I/O — MERCRUISER - Cooling System MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.) ❶ For engines with aluminum exhaust manifolds ❷ For engines with cast iron exhaust manifolds ❸ 3” (76mm) O.D. & 0 degree down angle ❹ 3” (76mm) O.D. & 15 degree down angle ❺ 4” (102mm) O.D. ❻ 2 piece exhaust manifold ❼ 1 piece exhaust manifold ❽ Has a rectangular elbow mounting bolt pattern ❾ Has a square elbow mounting bolt pattern ❿ In-line applications ➀ V-drive applications ➁ Standard rise ➂ 2” (51mm) rise ➃ 3” (76mm) rise ➄ 6” (152mm) rise ➅ Port ➆ Starboard ➇ Engines with risers or closed cooling may require a different gasket than listed ➈ Exhaust manifold with external water rail ➉ Exhaust manifold w/o external water rail ☛ 1 piece exhaust manifold is nla. Rngine must be converted to the 2 piece exhaust system ♠ Engines with easy drain system ♣ Engines with multi-point drain system ♥ Intermediate collector housing Liter Model Note CID #Cyl. Stroke Year Range Serial # Range Exh. Manifold Port Exh. Manifold Starboard Exh. Elbow End Cap Front End Cap Rear Manifold Gasket Exh. Elbow Gasket 190 283 8 4 1963-1964 1564539 - 1730903 18-2949 5.0L 198 MIE 305 8 4 1977 4776402 - 4931099 ❽ ❽ ❽ 18-4009 18-4009 18-2949 18-0885-1 5.0L 198 MIE 305 8 4 1977 4776402 - 4931009 18-1950-1 ❾ 18-1951-1 ❾ ❾ 18-4009 18-4009 18-2949 18-2833 5.0L 200 305 8 4 1985-1987 6899058 - B525981 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.0L 200 305 8 4 1985-1987 6899058 - B525981 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.0L 200 305 8 4 1987 B525982 - B774444 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 228 305 8 4 1977 4765100 - 4888929 18-4009 18-4009 18-2949 18-0885-1 5.0L 228 305 8 4 1977-1982 4888930 - 6218461 18-1950-1 18-1951-1 18-1971 18-4009 18-4009 18-2949 18-2833 5.0L 228 305 8 4 1983-1984 6218462 - 6899268 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.0L 228 305 8 4 1983-1984 6218462 - 6899268 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.0L 228 TR 305 8 4 1977-1978 4888930 - 5170008 18-1950-1 18-1951-1 18-1971 18-4009 18-4009 18-2949 18-2833 5.0L 228 TR 305 8 4 1977-1978 4888930 - 5170008 18-1950-1 18-1951-1 18-1971 18-4009 18-4009 18-2949 18-2833 5.0L 228 MIE 305 8 4 1977 4765100 - 4888929 18-4009 18-4009 18-2949 18-0885-1 5.0L 228 MIE 305 8 4 1977-1980 4888930 - 5907057 18-1950-1 18-1951-1 18-4009 18-4009 18-2949 18-2833 5.0L 230 305 8 4 1985-1987 6899269 - B525981 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.0L 230 305 8 4 1985-1987 6899269 - B525981 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.0L 230 305 8 4 1987 B525982 - B773739 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 230 MIE 305 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1974-1 ❸ 18-2949 18-0897 5.0L 230 MIE 305 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.0L 230 MIE 305 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.0L 5.0L 305 8 4 1988-1995 B774445 - F600999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 5.0L GEN + 305 8 4 1988-2002 L015751 - M599999 18-1953-2 18-1953-2 18-1976-2 18-2949 5.0L 5.0L GEN + 305 8 4 1988-2002 M600000 - W309999 18-2949 5.0L 5.0L GEN + 305 8 4 2004-2010 W310000 & UP 18-2949 5.0L 5.0L EFI GEN + 305 8 4 1998-2001 L012052 - M299999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-2849-1 5.0L 5.0L MIE 305 8 4 1988 B788152 - C396832 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 5.0L MPI 305 8 4 2002 M300000 - M599999 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 5.0L MPI 305 8 4 2002-2004 M600000 - W309999 18-2949 5.0L 5.0L MPI 305 8 4 2004-2010 W310000 & UP 18-2949 5.0L 5.0LX 305 8 4 1988-1995 B773740 - F600900 18-1953-2 18-1953-2 18-1976-2 18-2949 18-0897 5.0L 898 305 8 4 1977-1982 4762210 - 6218461 ❽ ❽ ❽ 18-4009 18-4009 18-2949 18-0885-1 5.0L 898 305 8 4 1977-1982 4762210 - 6218461 18-1950-1 ❾ 18-1951-1 ❾ ❾ 18-4009 18-4009 18-2949 18-2833 5.0L 898 305 8 4 1983-1984 6218462 - 6899057 18-1953-2 18-1953-2 18-1970-2 18-2949 18-0897 5.0L 898 305 8 4 1983-1984 6218462 - 6899057 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 225 GM 327 8 4 1963-1968 1539620 - 2399397 18-2949 225 GM 327 8 4 1968-1969 2399398 - 2694014 18-4009 18-1990 18-2949 18-0885-1 225 MIE GM 327 8 4 1968 2278647 - 2399307 18-2949 225 MIE GM 327 8 4 1968-1969 2399398 - 2694014 18-4009 18-1990 18-2949 18-0885-1 250 327 8 4 1968-1969 2314301 - 2639854 18-4009 18-1990 18-2949 18-0885-1 250 MIE 327 8 4 1968-1969 2314301 - 2639854 18-4009 18-1990 18-2949 18-0885-1 5.7L 250 350 8 4 1977 4768000 - 4908849 ❽ ❽ ❽ 18-4009 18-4009 18-2949 18-0885-1 5.7L 250 350 8 4 1977 4768000 - 4908849 18-1950-1 ❾ 18-1951-1 ❾ 18-1971 ❾ 18-4009 18-4009 18-2949 18-2833 5.7L 255 GM 350 8 4 1975-1976 4175500 - 4499060 18-4009 18-1990 18-2949 18-0885-1 5.7L 255 GM 350 8 4 1976 4499061 - 4767999 18-1950-1 18-1951-1 18-1971 18-4009 18-4009 18-2949 18-2833 5.7L 255 MIE GM 350 8 4 1975-1976 4175500 - 4499060 18-4009 18-1990 18-2949 18-0885-1 5.7L 255 MIE GM 350 8 4 1976-1980 4499061 - 5907057 18-1950-1 18-1951-1 18-4009 18-4009 18-2949 18-2833 5.7L 260 350 8 4 1978-1982 4908850 - 6218461 18-1950-1 18-1951-1 18-1971 18-4009 18-4009 18-2949 18-2833 5.7L 260 350 8 4 1983-1987 6218462 - B773304 18-1953-2 18-1953-2 18-1970-2 ❹ 18-2949 18-0897 5.7L 260 350 8 4 1983-1987 6218462 - B773304 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897 5.7L 260 MIE 350 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1974-1 ❸ 18-2949 18-0897 5.7L 260 MIE 350 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1970-2 ❸ 18-2949 18-0897 5.7L 260 MIE 350 8 4 1981-1987 5907058 - B788151 18-1953-2 18-1953-2 18-1976-2 ❺ 18-2949 18-0897