Sierra 18-1952-1 MerCruiser Marine Exhaust Manifold 4.3L 262 V6 99746 1985-2002
Brand: Aftermarket
Product Description:

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.
V6 manifold
Direct replacement
With center riser
Fits either side of engine