01 Nissan altima catalytic converter Source Source Source Source Source Source Source Source Source Source Read Also: Nissan 2.4 plugged catalytic 2004 Nissan altima catalytic converter Catalytic converter for 2004 nissan altima 2003 Nissan altima 3.5 catalytic converter Change catalytic converter 2005 nissan altima 2006 Nissan altima rear catalytic converter