• 1080B38 left catalytic preconverter r r or replace cylinder head gasket
• 1080B39 right catalytic preconverter r r or replace cylinder head gasket
• 1080B65 catalytic converter assembly r r
• 1080B92 left upper lambda sensor r r
• 1080B93 right upper lambda sensor r r
• 1080B96 left rear lambda sensor on catalytic converter r r
• 1080B97 right rear lambda sensor on catalytic converter r r