This marine exhaust mixing elbow is compatible with 3JH and 4JH series engines, including models 3JH5E, 3JH3E, 4JHE, 4JH2E, 4JH3E, 4JH2CE, 3PNE, and 13E0Z.It serves as a replacement for part numbers 129470-13561, 129470-13560, 129670-13561, 129670-13560, 129673-13552, 129619-13560, and GM13328.The component is constructed from investment cast 316 stainless steel and features CNC machining.The package includes one exhaust mixing elbow designed to restore engine exhaust system function.