OEM-style gaskets supplied with the catalytic converter Part Number 53278 Inlet Gasket Yes Inlet Type A Bolt-On O2 Port Upstream sensor located before the catalytic converter to monitor the air/fuel mixture, and a downstream sensor after the converter to check its efficiency. | 2 Outlet Gasket Yes Outlet Type A Bolt-On Substrate Material Ceramic | Stainless Steel | 409L Stainless Steel Type Chevrolet Impala, Impala Limited Cateran Premium OEM Replacement Direct Fit Catalytic Converter | Catalytic Converter Weight 10.00 lbs Height 15.00" Width 8.00" Length 6.00" Buyer's Guide 2013-2012 CHEVROLET IMPALA Catalytic Converter-Direct Fit, 2016-2014 CHEVROLET IMPALA LIMITED Catalytic Converter-Direct Fit Interchange Data Brand Part Number No interchange data available.
