| WP1565X | Filters / Other | 11 xrefs from BOSCH, CARQUEST +7 more9 mfgs·11 OEM xrefs |
| WP1570X | Filters / Other | 24 xrefs from BOSCH, CARQUEST +12 more14 mfgs·86 OEM xrefs |
| WP20-16 | Filters / Other | 36 xrefs from ACDELCO, BOSCH +14 more16 mfgs·90 OEM xrefs |
| WP20-17 | Filters / Other | 20 xrefs from ACDELCO, BOSCH +11 more13 mfgs·62 OEM xrefs |
| WP2017X | Filters / Other | 20 xrefs from ACDELCO, BOSCH +11 more13 mfgs·62 OEM xrefs |
| WP20-4X | Filters / Other | 5 xrefs from BOSCH, CARQUEST +3 more5 mfgs·23 OEM xrefs |
| WP20-6X | Filters / Other | 24 xrefs from ACDELCO, BOSCH +13 more15 mfgs·73 OEM xrefs |
| WP20-7X | Filters / Other | 27 xrefs from ACDELCO, BOSCH +13 more15 mfgs·86 OEM xrefs |
| WP23-1x | Filters / Other | 25 xrefs from BOSCH, CARQUEST +12 more14 mfgs·78 OEM xrefs |
| WP232X | Filters / Other | 25 xrefs from BOSCH, CARQUEST +12 more14 mfgs·78 OEM xrefs |
| WP40-3X | Filters / Other | 49 xrefs from BALDWIN, BOSCH +6 more8 mfgs·51 OEM xrefs |
| WP41-2 | Filters / Other | 23 xrefs from ACDELCO, BOSCH +9 more11 mfgs·88 OEM xrefs |
| WP41-3X | Filters / Other | 59 xrefs from BOSCH, CHAMPION +20 more22 mfgs·645 OEM xrefs |
| WP41-5x | Filters / Other | 65 xrefs from ACDELCO, BALDWIN +29 more31 mfgs·248 OEM xrefs |
| WP41-6 | Filters / Other | 4 xrefs from FILTRON, FRAM +2 more4 mfgs·5 OEM xrefs |
| WP418X | Filters / Other | 16 xrefs from ACDELCO, BOSCH +12 more14 mfgs·54 OEM xrefs |
| WP419X | Filters / Other | 25 xrefs from BOSCH, CARQUEST +12 more14 mfgs·78 OEM xrefs |
| WP5001 | Filters / Other | 11 xrefs from CARQUEST, FILTRON +4 more6 mfgs·64 OEM xrefs |
| WP5002 | Filters / Other | 11 xrefs from CARQUEST, FILTRON +4 more6 mfgs·64 OEM xrefs |
| WP5004 | Filters / Other | 10 xrefs from BALDWIN, COOPERS +6 more8 mfgs·31 OEM xrefs |
| WPW03X | Filters / Other | 6 xrefs from BOSCH, FILTRON +3 more5 mfgs·40 OEM xrefs |
