OMC Water Pump Kit - 18-3348 OMC Water Pump Kit - 18-3348 by Sierra. Please use the Red PARTS CHARTS button (top of any page) to locate the correct part for your application. $ 41.18               More Information      Quantity:     Water Pump Housing Kit - 18-3348 Water Pump Housing Kit - 18-3348. Please use the Red PARTS CHARTS button (top of any page) to locate the correct part for your application. All prices are per unit (50' Coil=50 Units, 2 PK=2 Units, and etc.). Verify your quantity is correct at Check-t and adjust as necessary. Send us an email (Contact Us button at top of any page) if you have any questions. $ 41.18               More Information      Quantity: