Quicksilver OEM MerCruiser 4.3L/5.0L/5.7L Dry Joint Exhaust Elbow 864591T02This genuine OEM exhaust elbow is for use on MerCruiser 4.3L/5.0L/5.7L stern drive engines produced by General Motors 2004 and newer that features a dry joint exhaust manifold. This manifold elbow has been hot dipped and powder coated for outstanding corrosion resistance. This replacement exhaust elbow features a 4" outer diameter with 14 down angle.Application Info: Fits 2004 & newer MerCruiser V6/V8 305, 350, & 377 CID engines (0W310000 & Up) with dry joint exhaust manifolds; Fits 2002 & newer MerCruiser V8 350 & 377 CID engines (0M3170000 & Up) with dry joint exhaust manifolds; Specification Replacement exhaust elbow with 4 in. outside diameter and 14 degree down angle; Hot dipped and powder coated to prevent corrosion; Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive; Interchange: Sierra; 18-1845; Use With: Elbow Gasket 27-864549A02; V8 Dry Joint Exhaust Manifold 8M0185794; V6 Dry Joint Exhaust Manifold 864612T01;