 It doesn't fit the Prius because of hood clearance issues or vehicles with the half turn style cap (see photos).  We highly suggest checking your oil filler cap before ordering. Specifications Model #MX2301B1 | Total Funnel Height:8.7" | Funnel Inlet ID (Top):4.8" | Funnel Outlet ID (Bottom):1.08" | Funnel Upper Material:Flexible blue polypropylene | Funnel Lower Material:Heavy duty clear polycarbonate | Upper / Lower Funnel Connection:Threaded w/ o-ring | Funnel To Vehicle Seal:O-ring | Warranty:1 year.
