Feature:1. OEM Number: Boat clam shell vent replace part number is 957175. Please check the part numbers whether it suits your vehicle before purchasing.2. Powerful Compatibility: Replacement for SEA RAY boat. Fits many boats and models, providing strong compatibility, bring you professional performance.3. Effective Ventilation: Features a medium sized clam shell design for effective ventilation and damp removal, enhancing the comfort of the boat.4. Enhanced Comfort: This marine clam shell vent offers improved ventilation and damp management for a more comfortable and relaxed boating experience.5. Simple Installation: Easy to install by preparing glue or resin. No complicated tools or processes required for installation, saving your time and effort.Specification:Item Type: Vent CoverMaterial: PlasticOEM: 957175Size: 73/8 X 65/8inchFitment: Fits many boats!! A small list of boats using this size:For 40 sedan bridge (both sizes used measure first) 1997For 42 aft cabin 1997 1999 2000For 40 sedan bridge 1998 1999 For sundancer 450 1998For SUNDANCER 460 1999For sundancer 48in 460 2000 and 2001For SEDAN BRIDGE 48in 2001For CMY 540 2001For 40 db sedan bridge 2002 and 2003For 39 motor yacht 2003 For 450 express and for sundancer 420 460 2003 For sundancer 500 2004 For MY 390 2005 For SUNDANCER 480 and 52 sedan bridge 2006 For sundancer 48 2008 For sundancer 55 2013 and many many more years and models .Package List:1 x Vent Cover6 x AccessoriesNote:Please double check the part number of your item, matching information is for reference only.