OPTIMAL BS-9437C Fren Sistemleri Fren Diski, KIA RIO III (UB), KIA RIO III Sedan (UB), KIA RIO IV (YB, SC, FB), KIA STONIC (YB), KIA RIO IV Sedan (SC, FB), KIA STONIC Hatchback Van (YB), HYUNDAI ACCENT IV Sedan (RB), HYUNDAI i20 II (GB, IB), HYUNDAI i20 II Coupe (GB), HYUNDAI i20 ACTIVE (IB, GB), HYUNDAI SOLARIS Sedan (HCR, HCI), HYUNDAI ACCENT V Sedan (HC), HYUNDAI BAYON (BC3) modelleri ile uyumludur.