This heat exchanger has 145 hours of use on it. It came off of a 2002 8.1s Merc, 380DA Sea Ray. Dave
May 6, 2015 #1 dc380 New Member Mar 18, 2007 480 RI Boat Info SOLD 2002 380DA, C120, A50, ST7001, ST600R Engines 8.1s Mercs, 7.0 Westerbeke This heat exchanger has 145 hours of use on it. It came off of a 2002 8.1s Merc, 380DA Sea Ray. Dave
