| IT24 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IT27 | Ignition / Spark Plugs | 12 xrefs from AUTOLITE, CHAMPION +2 more4 mfgs |
| ITF16 | Ignition / Spark Plugs | 17 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| ITF16TT | Ignition / Spark Plugs | 25 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs |
| ITF20 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| ITF20TT | Ignition / Spark Plugs | 4 xrefs from BOSCH, DENSO +1 more3 mfgs |
| ITL16 | Ignition / Spark Plugs | 12 xrefs from AUTOLITE, BOSCH +3 more5 mfgs |
| ITL16TT | Ignition / Spark Plugs | 9 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| ITL20 | Ignition / Spark Plugs | 1 xrefs from NGK1 mfg |
| ITL22 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| ITV16 | Ignition / Spark Plugs | 11 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs |
| ITV16TT | Ignition / Spark Plugs | 1 xrefs from NGK1 mfg |
| ITV20 | Ignition / Spark Plugs | 9 xrefs from AUTOLITE, BOSCH +3 more5 mfgs |
| ITV20TT | Ignition / Spark Plugs | 8 xrefs from ACDELCO, BOSCH +2 more4 mfgs |
| ITV22 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IU01-27 | Ignition / Spark Plugs | 4 xrefs from CHAMPION, DENSO +1 more3 mfgs |
| IU01-31 | Ignition / Spark Plugs | 8 xrefs from CHAMPION, DENSO +1 more3 mfgs |
| IU01-34 | Ignition / Spark Plugs | 3 xrefs from CHAMPION, DENSO +1 more3 mfgs |
| IU22 | Ignition / Spark Plugs | 4 xrefs from AUTOLITE, DENSO +1 more3 mfgs |
| IU24 | Ignition / Spark Plugs | 7 xrefs from AUTOLITE, DENSO +1 more3 mfgs |
| IU27 | Ignition / Spark Plugs | 6 xrefs from DENSO, NGK2 mfgs·1 OEM xrefs |
| IU27D | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IU31 | Ignition / Spark Plugs | 6 xrefs from DENSO, NGK2 mfgs |
| IUF22 | Ignition / Spark Plugs | 6 xrefs from DENSO, NGK2 mfgs |
| IUF24 | Ignition / Spark Plugs | 7 xrefs from DENSO, NGK2 mfgs |
| IUH24 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| IUH27 | Ignition / Spark Plugs | 8 xrefs from DENSO, NGK2 mfgs |
| IUH27D | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IVT20TT | Ignition / Spark Plugs | 4 xrefs from MOTORCRAFT, NGK2 mfgs |
| IW01-24 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IW01-27 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| IW06-27 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| IW06-31 | Ignition / Spark Plugs | 3 xrefs from AUTOLITE, DENSO +1 more3 mfgs |
| IW16 | Ignition / Spark Plugs | 18 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs·1 OEM xrefs |
| IW16TT | Ignition / Spark Plugs | 14 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs |
| IW20 | Ignition / Spark Plugs | 6 xrefs from BOSCH, DENSO +1 more3 mfgs·2 OEM xrefs |
| IW20TT | Ignition / Spark Plugs | 23 xrefs from AUTOLITE, BOSCH +3 more5 mfgs·1 OEM xrefs |
| IW22 | Ignition / Spark Plugs | 16 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs·1 OEM xrefs |
| IW24 | Ignition / Spark Plugs | 18 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| IW27 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IW31 | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| IWF20 | Ignition / Spark Plugs | 9 xrefs from AUTOLITE, BOSCH +3 more5 mfgs |
| IWF22 | Ignition / Spark Plugs | 9 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| IWF24 | Ignition / Spark Plugs | 11 xrefs from BOSCH, DENSO +1 more3 mfgs |
| IWF27 | Ignition / Spark Plugs | 11 xrefs from BOSCH, CHAMPION +2 more4 mfgs |
| IWM01-32 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| IWM27 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| IWM31 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| IX22 | Ignition / Spark Plugs | 6 xrefs from AUTOLITE, DENSO +1 more3 mfgs·1 OEM xrefs |
| IX24 | Ignition / Spark Plugs | 13 xrefs from AUTOLITE, CHAMPION +2 more4 mfgs·1 OEM xrefs |
