Toggle user data 0 Login Log in Username: Password: Remember me Fill username password Forgot password 18-1903 Manifolds-OMC OMC OMC log style port manifold. Fits OMC applications up to 1993. For use with 18-1902 (starboard manifold) and 18-1921 (elbow). Quantity: In stock $574.50 $517.05 Buy now Add to cart Description Tags 3.5 350 5.0 5.7 912442 OMC Related products HGE 3394 18-5913 HGE0045 2504 18-3578 18-9400-4 HGE 8870 HGE 3785 18-3584 HGE 5470 HGE 6041 18-9420-2 HGE 3784 F6B-9 12552422 ×