Thank you for responses I called Mac boaring direct ,they were great [3rd time wrong part]correct part 129198-13500 mixing elbow for 376 380 3jh2e. 123325-49421 pipe for 1 in hose inlet. This was the problem with the other manafolds. Mack boaring would not sell it to me but I fowarded the e-mail to tidewater . I just have to install and start sailing.