OEM-style gaskets supplied with the catalytic converter Part Number 33345 Inlet Gasket Yes Inlet Type A Bolt-On O2 Port Upstream sensor located before the catalytic converter to monitor the air/fuel mixture. No downstream sensor as part of assembly. | 1 Outlet Gasket Yes Outlet Type A Bolt-On Substrate Material Ceramic | Stainless Steel | 409L Stainless Steel Type Lexus RX350, RX350L, RX450h, RX450hL/Toyota Highlander, Sienna Cateran Premium OEM Replacement Direct Fit Catalytic Converter | Catalytic Converter Weight 12.70 lbs Height 15.00" Width 8.00" Length 6.00" Buyer's Guide 2020-2016 TOYOTA SIENNA Catalytic Converter-Direct Fit, 2021-2017 TOYOTA HIGHLANDER Catalytic Converter-Direct Fit, 2022-2016 LEXUS RX350 Catalytic Converter-Direct Fit, 2022-2016 LEXUS RX450H Catalytic Converter-Direct Fit, 2022-2018 LEXUS RX350L Catalytic Converter-Direct Fit, 2022-2018 LEXUS RX450HL Catalytic Converter-Direct Fit Interchange Data Brand Part Number No interchange data available.