Sierra Marine Parts Catalog

746 Engine/Model CID/#CYL YearRange Beginning Serial# EndingSerial# Housing Thermostat Cover Thermostat& GasketKit Thermostat GasketsReq. Gaskets Req.- Design II GasketsReq.- Design III 350 MAGALPHAEFI (GEN+) 350/V-8 1996-1997 F800300 K999999 18-3647 18-3649 18-0398 350 MAG BRAVO MPI 350/V-8 1995-1997 F415189 K999999 18-3530-1 18-3647 18-3649 18-0398 350 MAG EFI SKI 350/V-8 1994-1997 F215561 K999999 18-3530-1 18-3647 18-3649 18-0398 350 MAG MPI FWC 350/V-8 1998-2001 L010019 M299999 18-3531 ❻ 18-3568 18-3555 18-1508 350 MAG MPI 350/V-8 1998-2001 L010019 M299999 18-3530-1 ❼ 18-3647 18-3649 18-0398 350 MAG MPI FWC 350/V-8 2002 M300000 M599999 ❻ 18-3568 18-3555 18-0398 350 MAG MPI FWC 350/V-8 2002-2010 M600000 &UP ❺ 18-0398 350 MAG MPI FWC DTS 350/V-8 2005-2010 W310000 &UP ❻ , ➆ 18-0398 350 MAG MPI FWC EC 350/V-8 2008-2010 A300000 &UP ❻ , ➅ , ➇ 18-0398 350 MAGMPIFWC ECDTS 350/V-8 2008-2010 A300000 &UP ❻ , ➆ , ➇ N/A 18-0398 350 MAG MPI 350/V-8 2002 M300000 M599999 ❼ , ➃ 18-3647 18-3649 18-0398 350 MAG MPI ALPHA 350/V-8 2002 M300000 M599999 ❼ , ➄ 18-3647 18-3649 18-0398 350 MAG MPI BRAVO 350/V-8 2002 M300000 M599999 18-3530-1 ❼ , ➄ 18-3647 18-3649 18-0398 350 MAG MPI 350/V-8 2002-2010 M600000 &UP ❼ , ➄ 18-3647 18-3649 18-0398 350 MAG MPI 350/V-8 2002-2010 M600000 &UP ❼ , ➃ 18-3647 18-3649 18-0398 350 MAG MPI EC 350/V-8 2008-2010 A300000 &UP ❼ , ➇ 18-3647 18-3649 18-0398 350 MAG MPI HORIZON 350/V-8 2002 M300000 M599999 ❻ 18-3568 18-3555 18-0398 350 MAG MPI HORIZON 350/V-8 2002-2007 M600000 A299999 ❻ 18-0398 350 MAGMPIHORIZON MIE 350/V-8 1999-2001 L304700 M299999 18-3531 ❻ 18-3568 18-3555 18-1508 350 MAGMPIHORIZON MIE 350/V-8 2002 M300000 M316999 ❻ 18-3568 18-3555 18-1508 350 MAGMPIHORIZON MIE 350/V-8 2002-2007 M317000 A089999 ❻ 18-0398 350 MAGMPIMIEFWC 350/V-8 1998-2001 L002008 M299999 18-3531 ❻ 18-3568 18-3555 18-1508 350 MPI MIE 350/V-8 1998-2001 L002008 M299999 18-3530-1 ❼ 18-3647 18-3649 18-0398 350 MAGMPIMIEFWC 350/V-8 2002 M300000 M316999 ❻ 18-3568 18-3555 18-1508 350 MAGMPIMIEFWC 350/V-8 2002-2007 M317000 A089999 ❻ 18-0398 350 MAG MPI MIE 350/V-8 2002-2007 M300000 A089999 ❼ 18-3647 18-3649 18-0398 350 MAG MPI SKI 350/V-8 1995-2001 F350583 M299999 18-3530-1 18-3647 18-3649 18-0398 350 MAG MPI SKI 350/V-8 2002-2007 M300000 A089999 18-3647 18-3649 18-0398 350 MAG SKI 350/V-8 1991-1996 D505450 K040399 ❷ , ❽ 18-3668 18-3551 18-7173 18-2552 18-2917 350 MAG SKI 350/V-8 1991-1997 D505450 K999999 18-3530-1 ➂ 18-3647 18-3649 18-0398 5.7L 350/V-8 1988-1995 B773305 F600999 18-1994 ❶ 18-1977-1 18-3668 18-3551 18-2554 18-2553 18-2917 5.7L 350/V-8 1988-1995 B773305 F600999 ❷ , ❽ 18-3668 18-3551 18-7173 18-2552 18-2917 5.7L 350/V-8 1988-1995 B773305 F600999 ❷ , ❾ 18-3668 18-3551 18-7173 18-2552 18-2917 5.7L 350/V-8 1988-1996 B773305 K001526 ➂ 18-3647 18-3649 18-2844 18-0398 5.7L FWC 350/V-8 1997 K001527 K999999 18-3531 ❻ 18-3568 18-3555 18-1508 5.7L ALPHA 350/V-8 1988-1997 B773305 F600999 ❼ 18-3647 18-3649 18-0398 5.7L BRAVO 350/V-8 1995-1997 F601000 K999999 18-3530-1 ❼ 18-3647 18-3649 18-0398 5.7L (GEN+) FWC 350/V-8 1998-2002 L010037 M599999 18-3531 ❻ 18-3568 18-3555 18-1508 5.7L (GEN+) ALPHA 350/V-8 1998-2002 L010037 M599999 ❼ 18-3647 18-3649 18-0398 5.7L (GEN+) BRAVO 350/V-8 1998-2002 L010037 M599999 18-3530-1 ❼ 18-3647 18-3649 18-0398 5.7L (GEN+) FWC 350/V-8 2002-2010 M600000 &UP ❻ 18-0398 5.7L (GEN+) 350/V-8 2002-2010 M600000 &UP ❼ 18-3647 18-3649 18-0398 5.7L EFI FWC 350/V-8 1995-1996 F225560 K001505 ❻ 18-3647 18-3649 18-2844 18-0398 THERMOSTAT APPLICATION (Cont.) ❶ Design I ❷ Design II ❸ Design III ❹ Aluminum Exhaust Manifold ❺ Cast Iron Exhaust Manifold ❻ Closed Cooling ❼ Standard Cooling ❽ With check ball ❾ Without check ball ❿ SN 4167000 & Up ➀ Original thermostat housing listed as NLA. Order update kit 87290A23 ➁ Original thermostat housing listed as NLA. Order update kit 90736A24 ➂ Complete thermostat housing kit kit ➃ Single and 3-point drain system ➄ 7-point drain system ➅ Mechanical Throttle Body ➆ Digital Throttle Body ➇ Emission Control Engine ➈ Manual drain system ➉ Air Actuated drain system ☞ Old Design ♠ New Design ♣ 160 degree ♥ For Stainless Steel version use 18-1989 I/O — MERCRUISER - Cooling System