Quicksilver OEM MerCruiser 4.3L/5.0L/5.7L/7.4L 2002 & Older Exhaust Elbow 807988A03 - Center Rise OutletThis genuine OEM exhaust elbow is for use on V6 & V8 MerCruiser stern drive engines produced by General Motors 2002 and older that features a center rise outlet. This manifold elbow has been hot dipped and powder coated for outstanding corrosion resistance. This replacement exhaust elbow features a 4" outer diameter with 7 down angle outlet.Application Info: 4.3L (GEN +) (4 BBL) Reman - s/n 1G400000 thru 1G416776; 357 Alpha 4V - s/n 1G400000 & Up; 357 Mag Bravo 4V - s/n 1G400000 & Up; 383 Mag Bravo 4V - s/n 1G480748 & Up; Use With: Exhaust Manifold 860246A15; 1981-1997 Restrictor Exhaust Elbow Gasket 27-863724; Closed Cooling Exhaust Elbow Gasket 27-863725-1 ; 1998-2001 Exhaust Elbow Gasket 27-863726; Interchange: Barr; MC-20-44354; GLM; 51140; HGE; 4354; Mallory; 9-40559; MerCruiser; 44354A10; 44354A13; 44354A3; 44354A9; 807914A1; 807988A03; 807988A2; Osco; 4354; Sierra; 18-1976-2;