OMC U-Joint - 18-2339 OMC U-Joint - 18-2339 by Sierra. Please use the Red PARTS CHARTS button (top of any page) to locate the correct part for your application. $ 260.31               More Information      Quantity:     U-Joint Assembly - 18-2339 U-Joint Assembly - 18-2339. 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-Out anadjust as necessary. Send us an email (Contact Us button at top of any page) if you have any questions. $ 260.31               More Information      Quantity: