The Volvo Penta Exhaust Manifold OEM 855387, 855387-7, 834438, 834438-4 and 834439 are genuine parts designed specifically for 2.3L, 2.5L, 4-cylinder engines. Made in the United States, these components are held to high standards of quality and durability. While this manifold comes with no warranty, these parts are manufactured by Volvo Penta, ensuring a reliable and compatible fit for your boat's exhaust system. Fits Models: AQ120B, 125A, 131A B C D, 140A, 145A BB, 151A/B/C, 230A/B, and 250A/B. This is a cast iron manifold. This is the OEM version of GLM 51610, not in original packaging. There are no gaskets or hardware that come with this manifold. Please look at photos carefully. What you see is the actual item and is exactly what you will receive. This manifold has never been used or installed on a boat. Free 30 days return.