# BARMC20-44354 Cast iron Exhaust Riser For Mercruisers. It comes with the Riser and the mounting bolts. It is used on all Mercruiser Center riser applications (V6 V8) with a 4" riser. 4 Inch riser refers to the exhaust hose size that fits on the riser itself. Generally any from 1986 to 2002. Note: 1986 was a Transition Year, and some applications had 3" risers. Cross Reference Part Numbers Mercruiser 807988A2, 44354A3 Osco 4354 Barr MC-20-44354 GLM 51140 Sierra 18-1976-1 Mallory 9-40559 Barr Cast Iron Manifolds and Risers come with a 3-year limited warranty (PDF)! Fits Applications (Click to View) Mercruiser Stern Drive Model Year HP Serial # Notes 230 MIE 4 BBL. GM 1983 5907058 THRU 0B522505 260 MIE GM 1982 5907058 THRU 0B522505 230 MIE 4 BBL. GM 1982 5907058 THRU 0B522505 260 MIE GM 1981 5907058 THRU 0B522505 260 MIE GM 1983 5907058 THRU 0B522505 230 MIE 4 BBL. GM 1984 5907058 THRU 0B522505 260 MIE GM 1985 5907058 THRU 0B522505 230 MIE 4 BBL. GM 1985 5907058 THRU 0B522505 260 MIE GM 1984 5907058 THRU 0B522505 230 MIE 4 BBL. GM 1981 5907058 THRU 0B522505 383 MAG BRAVO 4V 2009 1G480748 UP 357 ALPHA 4V 2008 1G400000 UP 5.0L EFI GM 1998 0L012052 THRU 0L339999 5.7L EFI GM 1998 0L010035 THRU 0L339999 350 MAG MPI ALPHA/BRAVO 0L010019 THRU 0L339999 357 MAG BRAVO 4V 2008 1G400000 UP 357 ALPHA 4V 2009 1G400000 UP 383 MAG BRAVO 4V 2008 1G480748 UP 4.3L (GEN +) (4BBL) REMAN 2009 1G400000 UP 357 MAG BRAVO 4V 2009 1G400000 UP 230 MIE 4 BBL. GM 1986 5907058 THRU 0B522505 260 MIE GM 1986 5907058 THRU 0B522505 898 2 BBL. GM 1984 6218462 THRU 0B525981 260 4 BBL. GM 1984 6218462 THRU 0B525981 260 GM 1984 6218462 THRU 0B525981 230 4 BBL. GM 1984 6218462 THRU 0B525981 228 4 BBL. GM 1985 6218462 THRU 0B525981 230 4 BBL. GM 1985 6218462 THRU 0B525981 898 2 BBL. GM 1985 6218462 THRU 0B525981 260 4 BBL. GM 1985 6218462 THRU 0B525981 260 GM 1985 6218462 THRU 0B525981 228 4 BBL. GM 1984 6218462 THRU 0B525981 898 2 BBL. GM 1983 6218462 THRU 0B525981 260 4 BBL. GM 1982 6218462 THRU 0B525981 260 GM 1982 6218462 THRU 0B525981 230 4 BBL. GM 1982 6218462 THRU 0B525981 228 4 BBL. GM 1982 6218462 THRU 0B525981 898 2 BBL. GM 1982 6218462 THRU 0B525981 228 4 BBL. GM 1983 6218462 THRU 0B525981 260 4 BBL. GM 1983 6218462 THRU 0B525981 260 GM 1983 6218462 THRU 0B525981 230 4 BBL. GM 1983 6218462 THRU 0B525981 350 MAG MPI SKI (GEN+) GM 350 V-8 1998 AND UP 1998 0L002600 THRU 0M310009 8.2L MIE MPI (GEN. VI) GM 1998 0L002450 THRU 0L086012 5.7LX EFI 4 BBL.-TBI GM 1996 0F752400 THRU 0K001505 5.7L EFI 2 BBL.-TBI GM 1996 0F752400 THRU 0K001505 4.3LX GEN II 4 BBL. GM 1996 0F601127 THRU 0F802999 4.3L (GEN II) 2 BBL. GM 1996 0F601127 THRU 0F802999 5.7L COMPETITION SKI GM 1996 0F775200 THRU 0K040003 BLACK SCORPION 350 MAG SKI GEN+ 1996 0F800000 UP 454 MAG. BRAVO GEN. V GM 1996 0F801700 THRU 0K999999 7.4L BRAVO (GEN. VI) GM 454 1997 0F800700 THRU 0K999999 7.4L BRAVO (GEN. VI) GM 454 1996 0F800700 THRU 0K999999 5.7LX 4 BBL GM 1997 0F601000 THRU 0K001526 185 2 BBL. GM 1985 0A331455 THRU 0B527954 5.7L ALPHA EFI (TBI) GM 1995 0F355305 THRU 0F752389 5.7L ALPHA EFI (TBI) GM 1994 0F355305 THRU 0F752389 350 MAG MPI SKI GM 1995 0F350583 THRU 0F799999 5.7L BRAVO EFI (TBI) GM 1996 0F225560 THRU 0F752399 5.7L ALPHA EFI (TBI) GM 1996 0F355305 THRU 0F752389 350 MAG. ALPHA 4 BBL. GM 1996 0F601000 THRU 0K001526 350 MAG. ALPHA 4 BBL. GM 1997 0F601000 THRU 0K001526 5.7LX 4 BBL GM 1996 0F601000 THRU 0K001526 5.7L 2 BBL. GM 1996 0F601000 THRU 0K001526 454 MAG. BRAVO GEN. V GM 1997 0F801700 THRU 0K999999 4.3LX (GEN +) 2 BBL. GM 1996 0F803000 THRU 0K999999 5.7L 2 BBL. GM 1997 0K001527 THRU 0K999999 350 MAG. ALPHA 4 BBL. GM 1997 0K001527 THRU 0K999999 5.7LX EFI (4 BBL.-TBI) GM 1997 0K001506 THRU 0K999999 5.7L EFI (2 BBL.-TBI) GM 1997 0K001506 THRU 0K999999 5.7LX 4 BBL GM 1997 0K001527 THRU 0K999999 5.7L COMPETITION SKI GM 1997 0K040004 THRU 0K999999 454 MAG. MPI HORIZON (GEN. VI) GM 1998 0L002200 THRU 0L086049 350 MAG (SKI) GM 350 V-8 1997 0K040400 THRU 0K999999 350 MAG EFI SKI (GEN+) GM 1997 0K040006 THRU 0K999999 SCORPION 377 2001 0K000656 THRU 0L600314 SCORPION 377 2000 0K000656 THRU 0L600314 4.3LXH GEN + 4 BBL. GM 1997 0F803114 THRU 0K999999 4.3LXH GEN + 4 BBL. GM 1996 0F803114 THRU 0K999999 4.3LX (GEN +) 2 BBL. GM 1997 0F803000 THRU 0K999999 262 MAG TBI GEN+ 1996 0F803800 THRU 0K999999 262 MAG TBI GEN+ 1997 0F803800 THRU 0K999999 SCORPION 377 1998 0K000656 THRU 0L600314 SCORPION 377 1997 0K000656 THRU 0L600314 350 MAG. EFI SKI (GEN+) GM 1996 0F820707 THRU 0K040005 228 4 BBL. GM 1986 6218462 THRU 0B525981 230 4 BBL. GM 1986 6218462 THRU 0B525981 8.2L MIE MPI (GEN. VI) GM 1998 0L086013 THRU 0L674200 8.2L MIE MPI (GEN. VI) GM 1997 0L086013 THRU 0L674200 7.4LX BRAVO (MPI)(GEN. VI) GM 454 1997 0F802000 THRU 0K999999 7.4LX BRAVO (MPI)(GEN. VI) GM 454 1996 0F802000 THRU 0K999999 BLACK SCORPION 350 MAG SKI GEN+ 1997 0K040001 THRU 0M391599 BLACK SCORPION 350 MAG SKI GEN+ 1998 0K040001 THRU 0M391599 BLACK SCORPION 350 MAG SKI GEN + 2001 0K040001 THRU 0M391599 BLACK SCORPION 350 MAG SKI GEN + 2000 0K040001 THRU 0M391599 BLACK SCORPION 350 MAG SKI GEN + 1999 0K040001 THRU 0M391599 7.4L MPI MIE (L29) GEN. VI GM 2000 0L002006 THRU 0L674613 7.4L MPI MIE (L29) GEN. VI GM 1999 0L002006 THRU 0L674613 502 MAG MPI BRAVO (GEN VI) GM 1998 0L017000 THRU 0L085432 5.7L EFI GM 2001 0L325977 THRU 0M299999 (description exceeds maximum possible length)