Sierra 18-1952-1 MerCruiser Marine Exhaust Manifold 4.3L 262 V6 99746 2

New exhaust manifold for 1985 through 2002 MerCruiser 4.3L marine gas engines (GM / Chevrolet V6). This manifold will fit either side of the engine and accepts all factory original accessories and fittings. Comes with gasket kit, new lower water fitting with built-in drain, mounting bolts, and all necessary plugs. Each purchase is for one manifold. Riser mating bolt dimensions are 3-7/16" (87.3mm) by 3-1/16" (77.8mm) bolt center-to-center. This part is new and high-quality cast iron construction. To determine if this is the correct replacement for you, look on your current part for casting numbers and match them to the cross reference below: Cross Reference Part Number MerCruiser 99745, 99746, 99746A8, 99746A17 Osco Motors 9745 Barr Marine MC-1-99746 Sierra Marine 18-1952-1 Aqua Power 5505 GLM Products 51220 About SierraSierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or