Built in U.S.A. Cover Engine No. Starts w/Letter
Built in Japan Cover
Japan Built
w/o Japan Built - Engine Serial # Starts With A or C
w/ Japan Built Vehicle
w/ North America Built Vehicle
Browse our selection of quality engine coolant thermostat housing parts designed specifically for your Lexus RX350. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · F Sport · Sportdesign
Sport Utility
V6 3.5L
Automatic