Featuring Aristo Clean by Design® advanced catalyst technology to handle the toughest emissions problems | Highly efficient loadings for lower cost and better converter efficiency | 409 stainless steel shell and neck construction for longer life | Hardware included (where needed) for faster, easier installation Part Number 641234 Inlet Gasket None Inlet Type A 5 Bolt Welded Flange O2 Port 0 Outlet Gasket Yes Outlet Type A 3 Bolt Welded Flange Substrate Material Stainless Steel | Ceramic Type AP Exhaust Catalytic Converter | Federal / EPA Direct-Fit | AP Emissions Weight 6.19 lbs Height 5.75" Width 7.25" Length 13.75" Buyer's Guide 2004-2001 NISSAN FRONTIER Catalytic Converter, 2004-2001 NISSAN FRONTIER Catalytic Converter-Direct Fit, 2004-2001 NISSAN XTERRA Catalytic Converter-Direct Fit Interchange Data Brand Part Number No interchange data available.