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 8870 F6B-9 18-3578 HGE 8870 NA0614 18-3599-1 HGE 3785 HGE 0082 R7220X HGE 4035 18-1921 18-3584 HGE 3784 18-5913 18-7875 ×