5. Equal life time to the original.6. Competitive price than the original.Cross reference:NGK BP6ESDenso IW20 VW20 W20EP W20EX-UBosch W6DC, W7DC,Beru 14-6D, 14-7D, Z104, Z11, Z22, Z50, Z61, Z62ACDelco 42XLSAutolite 53 54 63Champion N9YC N10Y...