OEM-style gaskets supplied with the catalytic converter Part Number 53313 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 Buick Allure, LaCrosse, LaCrosse Cateran Premium OEM Replacement Direct Fit Catalytic Converter | Catalytic Converter Weight 5.72 lbs Height 15.00" Width 8.00" Length 6.00" Buyer's Guide 2010 BUICK ALLURE Catalytic Converter-Direct Fit, 2010 BUICK LACROSSE Catalytic Converter-Direct Fit, 2016-2012 BUICK LACROSSE Catalytic Converter-Direct Fit Interchange Data Brand Part Number No interchange data available.