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 2504 R9518 HGE 0082 12550460 HGE 6041 NA3593 NA181TC 18-9420-2 F6B-9 HGE 1-81 18-9400-2 12552422 18-5913 HGE 3784 ×