| OB7ES | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| OB7HS-10 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OBCPR7ET | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| OBKR5EIX | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| OBKR6EIX-11 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OBKR6EQUP | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| OBMR2A | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| OBP5ES | Ignition / Spark Plugs | 1 OEM xrefs |
| OBP6ET | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OBPMR4A SOLID | Ignition / Spark Plugs | 1 OEM xrefs |
| OBPMR8Y | Ignition / Spark Plugs | 1 OEM xrefs |
| OBPR4EY | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OBPR5ES | Ignition / Spark Plugs | 2 xrefs from CHAMPION, MOTORCRAFT2 mfgs |
| OBPR6EIX | Ignition / Spark Plugs | 2 xrefs from CHAMPION, DENSO2 mfgs |
| OBPR6ES-11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OBPR6FS | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OBPR7ES | Ignition / Spark Plugs | 1 OEM xrefs |
| OBR6S | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OBR7HIX | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OBR9EIX | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OBR9ES | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OBUHW-2 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| OBUR7EQ | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| ODCPR6E | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| ODCPR7E | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg·1 OEM xrefs |
| ODIFR6C11 | Ignition / Spark Plugs | — |
| ODILFR5A-11D | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| ODILKAR7B11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| ODR8EIX | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| ODR8ES-L | Ignition / Spark Plugs | 1 xrefs from AUTOLITE1 mfg |
| ODR9EA | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OFR4 | Ignition / Spark Plugs | — |
| OFR45 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| OFR5AP-11 | Ignition / Spark Plugs | — |
| OGR5 | Ignition / Spark Plugs | 1 xrefs from BOSCH1 mfg |
| OILFR6J-11K | Ignition / Spark Plugs | — |
| OLFR6CGP | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OPFR6J-11 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OR0373A-11 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OR5673-6 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
| OTR5 | Ignition / Spark Plugs | 2 xrefs from BOSCH, MOTORCRAFT2 mfgs |
| OTR55GP | Ignition / Spark Plugs | — |
| OTR55IX | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| OTR5IX | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg |
| OTR6AP-13 | Ignition / Spark Plugs | 1 xrefs from DENSO1 mfg |
| OUR45 | Ignition / Spark Plugs | 1 xrefs from MOTORCRAFT1 mfg |
| OUR45IX | Ignition / Spark Plugs | 2 xrefs from AUTOLITE, BOSCH2 mfgs |
| OXR45 | Ignition / Spark Plugs | 1 xrefs from ACDELCO1 mfg |
| OY-810 | Ignition / Spark Plugs | — |
| OZFR5E-11 | Ignition / Spark Plugs | 1 xrefs from CHAMPION1 mfg |
