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 18-5919 NA3593 18-7878-1 HGE 7656 NA181TC NA7278 18-7876-1 HGE 8870 HGE 0082 2504 HGE 3394 18-1902 HGE0045 NA181PC F6B-9 ×