| OPA83-1 | Filters / Air | 30 xrefs from AMSOIL, BALDWIN +15 more17 mfgs·165 OEM xrefs |
| OPA84 | Filters / Air | 18 xrefs from BALDWIN, DONALDSON +12 more14 mfgs·119 OEM xrefs |
| OPA85 | Filters / Other | 13 xrefs from BALDWIN, COOPERS +10 more12 mfgs·52 OEM xrefs |
| OPA89 | Filters / Air | 16 xrefs from BALDWIN, DONALDSON +6 more8 mfgs·105 OEM xrefs |
| OPA90 | Filters / Air | 25 xrefs from AMSOIL, BALDWIN +15 more17 mfgs·136 OEM xrefs |
| OPA91 | Filters / Air | 66 xrefs from ACDELCO, AMSOIL +25 more27 mfgs·330 OEM xrefs |
| OPA92 | Filters / Air | 17 xrefs from BALDWIN, DONALDSON +12 more14 mfgs·134 OEM xrefs |
| OPA93 | Filters / Air | 13 xrefs from BALDWIN, FLEETGUARD +8 more10 mfgs·98 OEM xrefs |
| OPA991 | Filters / Air | 53 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·270 OEM xrefs |
| OPAP15 | Filters / Other | 36 xrefs from BALDWIN, BECK/ARNLEY +18 more20 mfgs·168 OEM xrefs |
| OPAP16 | Filters / Air | 48 xrefs from BALDWIN, BOSCH +19 more21 mfgs·248 OEM xrefs |
| OPF16 | Filters / Air | 25 xrefs from CARQUEST, COOPERS +10 more12 mfgs·143 OEM xrefs |
| OPF3127 | Filters / Other | 89 xrefs from ACDELCO, AMSOIL +19 more21 mfgs·317 OEM xrefs |
| OPF3128 | Filters / Other | 7 xrefs from BALDWIN, LUBER-FINER +2 more4 mfgs·53 OEM xrefs |
| OPF3138 | Filters / Other | 10 xrefs from BALDWIN, LUBER-FINER +2 more4 mfgs·62 OEM xrefs |
| OPF9 | Filters / Other | 19 xrefs from CARQUEST, DONALDSON +10 more12 mfgs·93 OEM xrefs |
| OPG111 | Filters / Fuel | 20 xrefs from BALDWIN, CARQUEST +14 more16 mfgs·179 OEM xrefs |
| OPG1111 | Filters / Fuel | — |
| OPG1115 | Filters / Fuel | 27 xrefs from BALDWIN, CARQUEST +16 more18 mfgs·150 OEM xrefs |
| OPG119 | Filters / Fuel | 20 xrefs from BALDWIN, DONALDSON +14 more16 mfgs·92 OEM xrefs |
| OPG120 | Filters / Fuel | 18 xrefs from BALDWIN, CARQUEST +11 more13 mfgs·84 OEM xrefs |
| OPG131 | Filters / Fuel | 26 xrefs from BALDWIN, DONALDSON +12 more14 mfgs·110 OEM xrefs |
| OPG157 | Filters / Fuel | 19 xrefs from CARQUEST, DONALDSON +12 more14 mfgs·89 OEM xrefs |
| OPG158 | Filters / Fuel | 18 xrefs from DONALDSON, ECOGARD +10 more12 mfgs·85 OEM xrefs |
| OPG21 | Filters / Other | 40 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·159 OEM xrefs |
| OPG222 | Filters / Fuel | 44 xrefs from BOSCH, CARQUEST +13 more15 mfgs·312 OEM xrefs |
| OPG3163 | Filters / Fuel | 20 xrefs from BALDWIN, BECK/ARNLEY +12 more14 mfgs·47 OEM xrefs |
| OPG3169 | Filters / Fuel | 48 xrefs from BOSCH, CHAMPION +20 more22 mfgs·188 OEM xrefs |
| OPG3170 | Filters / Other | 20 xrefs from BALDWIN, CARQUEST +14 more16 mfgs·179 OEM xrefs |
| OPG3173 | Filters / Fuel | 30 xrefs from ACDELCO, BALDWIN +15 more17 mfgs·93 OEM xrefs |
| OPG3175 | Filters / Fuel | 23 xrefs from BALDWIN, BOSCH +13 more15 mfgs·127 OEM xrefs |
| OPG3176 | Filters / Fuel | 23 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·52 OEM xrefs |
| X111 | Filters / Other | — |
| X195 | Filters / Other | — |
| X1A | Filters / Other | — |
| X241 | Filters / Oil | 132 xrefs from ACDELCO, AMSOIL +27 more29 mfgs·360 OEM xrefs |
| X4011 | Filters / Other | — |
| X4457 | Filters / Other | — |
| X4477 | Filters / Other | — |
| X4610 | Filters / Other | — |
| X4631 | Filters / Other | — |
| X4651 | Filters / Other | — |
| X5288 | Filters / Other | — |
