Brand New Fuel Pump fits YAMAHA Rhino 450 660 UTV 5UG-13910-01-0 5UG13910010 YXR450 YXR660 Outlet/Inlet 1/4"" Crankcase Vacuum 1/4" Oem Fit FP503 Manufacturer: AIP Electronics 100% New Construction High Quality OEM Replacement Part Fit and Quality Guaranteed Ready for Install Straight out of the box