Sierra Marine Parts Catalog

789 MANIFOLD/MANIFOLD GASKET APPLICATION (Cont.) 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 7.4L 7.4LX BRAVO EFI 454 8 4 1996-1997 F820000 - K999999 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 7.4L 7.4LX BRAVO MPI 454 8 4 1996-1997 F602010 - K999999 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 390 MCM / 390 MIE 482 8 4 1969-1970 2781129 - 3042731 18-1990 18-1990 18-0418 18-0885-1 496 MAG / 496 HO 496 8 4 2001-2003 M025000 - M687143 ➈ ➁ 18-0418 496 MAG / 496 HO 496 8 4 2001-2010 M0225000 & UP ➉ ➁ 18-0418 8.1S / 8.1 HO / 8.1 MIE 496 8 4 2001-2003 M026000 - M319190 ➈ ➁ 18-0418 8.1S / 8.1 HO / 8.1 MIE 496 8 4 2001-2010 M026000 & UP ➉ ➁ 18-0418 8.2L 465 502 8 4 1990-1994 C849992 - F213244 ➁ 18-0418 8.2L 465 502 8 4 1990-1994 C849992 - F213244 ➃ 18-0418 8.2L 465 502 8 4 1990-1994 C849992 - F213244 ➄ 18-0418 8.2L 500 BRAVO 502 8 4 1994-1998 F213293 - L001772 ➁ 18-0418 8.2L 500 BRAVO 502 8 4 1994-1998 F213293 - L001772 ➃ 18-0418 8.2L 500 BRAVO 502 8 4 1994-1998 F213293 - L001772 ➄ 18-0418 8.2L 500 GEN + 502 8 4 1999 L414639 - L601036 ➁ 18-0418 8.2L 500 GEN + 502 8 4 1999 L414639 - L601036 ➃ 18-0418 8.2L 500 GEN + 502 8 4 1999 L414639 - L601036 ➄ 18-0418 8.2L 502 MAG BRAVO 502 8 4 1990-1993 C878221 - F114528 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 8.2L 502 MAG EFI 502 8 4 1993-1995 D840650 - F802599 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 8.2L 502 MAG MPI 502 8 4 1996-1997 F802600 - K999999 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 8.2L 502 MAG MPI 502 8 4 1998-2001 L017000 - M024999 18-1957-2 18-1957-2 18-1976-2 18-0418 18-2849-1 8.2L 600 SC 502 8 4 1991-1996 D456489 - F877642 18-0418 8.2L 600 SC 502 8 4 1991-1996 D456489 - F877642 18-0418 8.2L 8.2L MIE 502 8 4 1990-1996 C878221 - F819619 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 8.2L 8.2L MIE / 8.2L MPI 502 8 4 1996-1997 F819620 - K999999 18-1957-2 18-1957-2 18-1976-2 18-0418 18-0897 8.2L 8.2L MIE / 8.2L MPI 502 8 4 1998-2001 L002450 - L674200 18-1957-2 18-1957-2 18-1976-2 18-0418 18-2849-1 500 BULLDOG W/BRAVO 540 8 4 1990-1998 C577254 - L001607 ➁ 18-0418 500 BULLDOG W/BRAVO 540 8 4 1990-1998 C577254 - L001607 ➃ 18-0418 500 BULLDOG W/BRAVO 540 8 4 1990-1998 C577254 - L001607 ➄ 18-0418 500 BULLDOG W/BRAVO 540 8 4 1999-2001 L414620 - M050281 ➁ 18-0418 500 BULLDOG W/BRAVO 540 8 4 1999-2001 L414620 - M050281 ➃ 18-0418 500 BULLDOG W/BRAVO 540 8 4 1999-2001 L414620 - M050281 ➄ 18-0418 500 BULLDOG W/SSM 540 8 4 1990-2001 C577254 - M050261 ➁ 18-0418 500 BULLDOG W/SSM 540 8 4 1990-2001 C577254 - M050261 ➃ 18-0418 500 BULLDOG W/SSM 540 8 4 1990-2001 C577254 - M050261 ➄ 18-0418 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 I/O — MERCRUISER - Cooling System