NGK 4421 Ateşleme Sistemi Buji, OPEL CORSA D (S07), OPEL OMEGA A (V87), OPEL OMEGA A Station wagon (V87), OPEL ASTRA H Station wagon (A04), OPEL CORSA D Kasa/eğik arka (S07), OPEL ZAFIRA B Kasa/büyük limuzin (A05), OPEL MONTEREY B (M98), OPEL ASTRA H GTC (A04), OPEL ASTRA H (A04), OPEL FRONTERA B (U99), OPEL ASTRA G Station wagon (T98), OPEL ASTRA G Sedan (T98), OPEL ZAFIRA TOURER C (P12), OPEL ASTRA G Cabrio (T98), OPEL VECTRA C (Z02), OPEL VECTRA C GTS (Z02), OPEL SIGNUM Hatchback (Z03), OPEL ZAFIRA A MPV (T98), OPEL AGILA A (H00), OPEL VECTRA C Station wagon (Z02) modelleri ile uyumludur.
