| RBUR7EQ | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| RBUZHW-2 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| RCR6HSA | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| RDCPR7E | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| RDR9EIX | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| RFR4 | Ignition / Spark Plugs | — |
| RFR5GP | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| RGR4 | Ignition / Spark Plugs | 2 xrefs from BOSCH, MOTORCRAFT2 mfgs |
| RIFR6B-K | Ignition / Spark Plugs | — |
| RIFR6T11 | Ignition / Spark Plugs | — |
| RILFR6B | Ignition / Spark Plugs | — |
| RILTR5D | Ignition / Spark Plugs | — |
| RILZKAR7E11S | Ignition / Spark Plugs | — |
| RIZFR6K11 | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| RIZTR5B11 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| RLFR6AIX-11 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| RLZTR4A-11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| RPFR5A-11 | Ignition / Spark Plugs | — |
| RPFR6G | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| RPGR5A-11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| RPLTR6A-10G | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| RPTR5D-10 | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| RR5670-6 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| RR5671A-10 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| RR5674-6 | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg |
| RTR4 | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| RTR55GP | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| RWR4-1 | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg |
| RZFR6F-11 | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| SIFR6A11 | Ignition / Spark Plugs | — |
| SILFR6A | Ignition / Spark Plugs | — |
| SILFR6A11 | Ignition / Spark Plugs | — |
| SILFR6B8 | Ignition / Spark Plugs | — |
| SILFR6C11 | Ignition / Spark Plugs | — |
| SILTR6A7G | Ignition / Spark Plugs | — |
| SILZKAR7B11 | Ignition / Spark Plugs | — |
| SILZKR6B10E | Ignition / Spark Plugs | 2 xrefs from AUTOLITE, DENSO2 mfgs |
| SILZKR7B11 | Ignition / Spark Plugs | 2 xrefs from CHAMPION1 mfg |
| SK20PR-L11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| TR4 | Ignition / Spark Plugs | 38 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs·2 OEM xrefs |
| TR4GP | Ignition / Spark Plugs | 5 xrefs from ACDELCO, BOSCH2 mfgs |
| TR4IX | Ignition / Spark Plugs | 14 xrefs from ACDELCO, BOSCH +2 more4 mfgs |
| TR5 | Ignition / Spark Plugs | 81 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs·6 OEM xrefs |
| TR5-1 | Ignition / Spark Plugs | 66 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs |
| TR5-1GP | Ignition / Spark Plugs | 25 xrefs from ACDELCO, AUTOLITE +1 more3 mfgs |
| TR5-1IX | Ignition / Spark Plugs | 28 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| TR55 | Ignition / Spark Plugs | 62 xrefs from ACDELCO, AUTOLITE +4 more6 mfgs·1 OEM xrefs |
| TR55-1 | Ignition / Spark Plugs | 9 xrefs from BOSCH, MOTORCRAFT2 mfgs |
| TR55-1GP | Ignition / Spark Plugs | 16 xrefs from ACDELCO, AUTOLITE +2 more4 mfgs |
| TR55-1IX | Ignition / Spark Plugs | 5 xrefs from ACDELCO, BOSCH2 mfgs |
