| FR5 | Ignition / Spark Plugs | 8 xrefs from ACDELCO, BOSCH +2 more4 mfgs |
| FR5-1 | Ignition / Spark Plugs | 14 xrefs from BOSCH, CHAMPION +1 more3 mfgs |
| FR5AP-10 | Ignition / Spark Plugs | 2 xrefs from DENSO1 mfg |
| FR5AP-11 | Ignition / Spark Plugs | — |
| FR5AP-11E | Ignition / Spark Plugs | — |
| FR5EI | Ignition / Spark Plugs | — |
| FR6EI | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| FR9BI-11 | Ignition / Spark Plugs | 2 xrefs from DENSO1 mfg |
| FTR4 | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg |
| FTR6 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| FUR4 | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| FUR5IX | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| FXE24HR11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| FZFR5F-11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| G-2Z | Ignition / Spark Plugs | 3 xrefs from ACDELCO, MOTORCRAFT2 mfgs |
| GR4 | Ignition / Spark Plugs | 19 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| GR45 | Ignition / Spark Plugs | 26 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| GR45GP | Ignition / Spark Plugs | 8 xrefs from ACDELCO, AUTOLITE +2 more4 mfgs |
| GR4GP | Ignition / Spark Plugs | 10 xrefs from ACDELCO, BOSCH +2 more4 mfgs |
| GR4IX | Ignition / Spark Plugs | 6 xrefs from BOSCH, CHAMPION +1 more3 mfgs |
| GR5 | Ignition / Spark Plugs | 17 xrefs from ACDELCO, AUTOLITE +2 more4 mfgs |
| GR5GP | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| GR5IX | Ignition / Spark Plugs | 2 xrefs from BOSCH, DENSO2 mfgs |
| IFR5D10 | Ignition / Spark Plugs | 3 xrefs from BOSCH1 mfg |
| IFR5E11 | Ignition / Spark Plugs | 5 xrefs from BOSCH, CHAMPION +1 more3 mfgs |
| IFR5G11 | Ignition / Spark Plugs | 2 xrefs from CHAMPION1 mfg |
| IFR5G-11K | Ignition / Spark Plugs | 3 xrefs from DENSO1 mfg |
| IFR5J11 | Ignition / Spark Plugs | 2 xrefs from BOSCH1 mfg |
| IFR5N10 | Ignition / Spark Plugs | — |
| IFR5T11 | Ignition / Spark Plugs | 5 xrefs from ACDELCO, DENSO2 mfgs |
| IFR5T-8N | Ignition / Spark Plugs | 4 xrefs from DENSO1 mfg |
| IFR6B | Ignition / Spark Plugs | — |
| IFR6B11 | Ignition / Spark Plugs | — |
| IFR6B-K | Ignition / Spark Plugs | — |
| IFR6D10 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| IFR6E11 | Ignition / Spark Plugs | 5 xrefs from BOSCH, DENSO2 mfgs |
| IFR6J11 | Ignition / Spark Plugs | 3 xrefs from BOSCH1 mfg |
| IFR6Q-G | Ignition / Spark Plugs | — |
| IFR6T11 | Ignition / Spark Plugs | 7 xrefs from ACDELCO, BOSCH +2 more4 mfgs·1 OEM xrefs |
| IFR6V-10G | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| IFR6Z7G | Ignition / Spark Plugs | 2 xrefs from ACDELCO1 mfg |
| IFR7F-4D | Ignition / Spark Plugs | 2 xrefs from BOSCH1 mfg |
| IFR7G-11KS | Ignition / Spark Plugs | 11 xrefs from ACDELCO, CHAMPION +1 more3 mfgs |
| IFR7L11 | Ignition / Spark Plugs | 2 xrefs from DENSO1 mfg |
| IFR7X7G | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| IFR8H11 | Ignition / Spark Plugs | 3 xrefs from DENSO1 mfg |
| IFR9H11 | Ignition / Spark Plugs | 2 xrefs from DENSO1 mfg |
| IGR7A-G | Ignition / Spark Plugs | 2 xrefs from DENSO1 mfg |
| IJR7A9 | Ignition / Spark Plugs | 3 xrefs from DENSO1 mfg |
| IK16L | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
