Detail Suits NF engines onlyOE number 035 121 004/A/AVAXSuits NG engines (up to chassis number 89-J-394742)OE number 035 121 005/B/Ew/pump audi kg/ku/kv/nf/ng wb/we/wj/wr Audi 90 B3 (NG) with a NF NG engine.