Toggle user data 0 Login Log in Username: Password: Remember me Fill username password Forgot password 18-1902 Manifolds-OMC OMC SIERRA OMC log style Starboard manifold. Fits OMC applications up to 1993. For use with 18-1903 (port manifold) and 18-1921 (elbow). Quantity: In stock $574.50 $517.05 Buy now Add to cart Description Tags 305 350 5.0 5.7 912441 OMC Related products 18-1921 HGE 3784 NA7278 2516 HGE 7656 18-3575 18-7878-1 HGE 3785 HGE 8870 18-3578 NA3593 NA0614 HGE 1-81 18-3577-2 HGE 3394 ×