Sierra 18-2770 Exhaust TubeSierra replacement exhaust tube for use on Mercruiser I/O Engines.Interchangeable with: Mallory; 9-72804; Mercruiser Stern Drive; 32-807458T; Application:Mercruiser Stern Drive 262 MAG TBI GEN+; 1996-1997; s/n 0F803800 thru 0K999999; 4.3L (GEN +) 2 BBL. GM; 1998-1998; s/n 0L010044 thru 0M614999; 4.3L EFI (GEN+) TBI GM; 1998-1998; s/n 0L012009 thru 0L618999; 4.3L EFI (GEN+) TBI GM; 1998-1998; s/n 0L619000 thru 0M322780; 4.3LH GEN + 4 BBL. GM; 1998-1998; s/n 0L010044 thru 0M614999; 4.3LX (GEN +) 2 BBL. GM; 1996-1997; s/n 0F803000 thru 0K999999; 4.3LXH GEN + 4 BBL. GM; 1996-1997; s/n 0F803114 thru 0K999999;