| W27ES-U | Ignition / Spark Plugs | 26 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| W27ES-V | Ignition / Spark Plugs | 8 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| W27ES-ZU | Ignition / Spark Plugs | 21 xrefs from AUTOLITE, BOSCH +4 more6 mfgs |
| W27FN | Ignition / Spark Plugs | 11 xrefs from BOSCH, CHAMPION +2 more4 mfgs |
| W27FS | Ignition / Spark Plugs | 12 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W27FS-GU | Ignition / Spark Plugs | 11 xrefs from BOSCH, CHAMPION +2 more4 mfgs |
| W27FSR | Ignition / Spark Plugs | 4 xrefs from ACDELCO, DENSO +1 more3 mfgs |
| W27FSRU10 | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W27FS-U | Ignition / Spark Plugs | 12 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W27FS-U10 | Ignition / Spark Plugs | 9 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| W27FS-ZU | Ignition / Spark Plugs | 11 xrefs from BOSCH, CHAMPION +2 more4 mfgs |
| W27S-U | Ignition / Spark Plugs | 3 xrefs from ACDELCO, DENSO +1 more3 mfgs |
| W29AZ | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| W29ES-GU | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W29ESR-V | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W29ES-V | Ignition / Spark Plugs | 10 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs·1 OEM xrefs |
| W29ES-ZU | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W31AZ | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W31EMRC | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W31EMR-ZU | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
| W31EN | Ignition / Spark Plugs | 10 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs·1 OEM xrefs |
| W31EPT | Ignition / Spark Plugs | 3 xrefs from AUTOLITE, DENSO +1 more3 mfgs |
| W31ES | Ignition / Spark Plugs | 12 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W31ES-GU | Ignition / Spark Plugs | 8 xrefs from BOSCH, DENSO +2 more4 mfgs |
| W31ESR-U | Ignition / Spark Plugs | 3 xrefs from BOSCH, DENSO +1 more3 mfgs |
| W31ESR-ZU | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W31ES-U | Ignition / Spark Plugs | 12 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W31ES-ZU | Ignition / Spark Plugs | 8 xrefs from BOSCH, DENSO +2 more4 mfgs |
| W31FS | Ignition / Spark Plugs | 5 xrefs from CHAMPION, DENSO +1 more3 mfgs |
| W31FS-U | Ignition / Spark Plugs | 5 xrefs from CHAMPION, DENSO +1 more3 mfgs |
| W31FS-ZU | Ignition / Spark Plugs | 6 xrefs from AUTOLITE, BOSCH +3 more5 mfgs |
| W32EPT | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W34EN | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W34EPT | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W34E-ZU | Ignition / Spark Plugs | 23 xrefs from BOSCH, CHAMPION +3 more5 mfgs |
| W9 | Ignition / Spark Plugs | 19 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W9EP | Ignition / Spark Plugs | 7 xrefs from AUTOLITE, DENSO +1 more3 mfgs·1 OEM xrefs |
| W9EXR-U | Ignition / Spark Plugs | 7 xrefs from AUTOLITE, DENSO +1 more3 mfgs·1 OEM xrefs |
| W9FP | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W9LMR-US | Ignition / Spark Plugs | 16 xrefs from AUTOLITE, BOSCH +3 more5 mfgs·23 OEM xrefs |
| W9LM-US | Ignition / Spark Plugs | 15 xrefs from AUTOLITE, BOSCH +4 more6 mfgs·10 OEM xrefs |
| W9PR-U | Ignition / Spark Plugs | 3 xrefs from ACDELCO, DENSO +1 more3 mfgs·2 OEM xrefs |
| W9PR-U15 | Ignition / Spark Plugs | 19 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| W9P-U | Ignition / Spark Plugs | 2 xrefs from DENSO, NGK2 mfgs |
| W9-U | Ignition / Spark Plugs | 19 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| WA20M | Ignition / Spark Plugs | 31 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·6 OEM xrefs |
| WA20M-U | Ignition / Spark Plugs | 31 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·6 OEM xrefs |
| WA22M | Ignition / Spark Plugs | 18 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·3 OEM xrefs |
| WA22M-U | Ignition / Spark Plugs | 18 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·3 OEM xrefs |
| X16EPR-U9 | Ignition / Spark Plugs | 4 xrefs from DENSO, NGK2 mfgs |
