| OP111 | Filters / Other | 64 xrefs from AMSOIL, AUTOLITE +23 more25 mfgs·304 OEM xrefs |
| OP123 | Filters / Other | 31 xrefs from AMSOIL, BOSCH +21 more23 mfgs·133 OEM xrefs |
| OP17 | Filters / Other | 90 xrefs from AMSOIL, BALDWIN +24 more26 mfgs·450 OEM xrefs |
| OP173 | Filters / Other | 40 xrefs from AMSOIL, AUTOLITE +17 more19 mfgs·248 OEM xrefs |
| OP193 | Filters / Other | 98 xrefs from AMSOIL, BALDWIN +25 more27 mfgs·456 OEM xrefs |
| OP195 | Filters / Other | 60 xrefs from AMSOIL, AUTOLITE +27 more29 mfgs·262 OEM xrefs |
| OP1A | Filters / Other | 89 xrefs from AUTOLITE, BALDWIN +23 more25 mfgs·409 OEM xrefs |
| OP2167 | Filters / Other | 122 xrefs from BALDWIN, BOSCH +22 more24 mfgs·531 OEM xrefs |
| OP241 | Filters / Other | 150 xrefs from AMSOIL, AUTOLITE +25 more27 mfgs·659 OEM xrefs |
| OP252 | Filters / Other | 79 xrefs from BOSCH, CHAMPION +17 more19 mfgs·336 OEM xrefs |
| OP2821A | Filters / Other | 122 xrefs from AUTOLITE, BOSCH +25 more27 mfgs·565 OEM xrefs |
| OP288 | Filters / Other | 30 xrefs from AMSOIL, CARQUEST +15 more17 mfgs·95 OEM xrefs |
| OP291 | Filters / Other | 20 xrefs from AMSOIL, BOSCH +12 more14 mfgs·114 OEM xrefs |
| OP33 | Filters / Other | 27 xrefs from BALDWIN, COOPERS +15 more17 mfgs·159 OEM xrefs |
| OP40 | Filters / Other | 27 xrefs from AUTOLITE, BALDWIN +13 more15 mfgs·168 OEM xrefs |
| OP4011 | Filters / Other | 40 xrefs from AMSOIL, AUTOLITE +17 more19 mfgs·248 OEM xrefs |
| OP4457 | Filters / Other | 74 xrefs from BALDWIN, BECK/ARNLEY +25 more27 mfgs·335 OEM xrefs |
| OP4459 | Filters / Other | 98 xrefs from AMSOIL, BALDWIN +25 more27 mfgs·456 OEM xrefs |
| OP4477 | Filters / Other | 60 xrefs from AUTOLITE, BALDWIN +20 more22 mfgs·169 OEM xrefs |
| OP4619 | Filters / Other | 39 xrefs from BALDWIN, BECK/ARNLEY +16 more18 mfgs·159 OEM xrefs |
| OP4651 | Filters / Other | 57 xrefs from AMSOIL, AUTOLITE +27 more29 mfgs·211 OEM xrefs |
| OP4670 | Filters / Other | 54 xrefs from AMSOIL, BECK/ARNLEY +22 more24 mfgs·181 OEM xrefs |
| OP49 | Filters / Other | 33 xrefs from AMSOIL, BALDWIN +18 more20 mfgs·196 OEM xrefs |
| OP81 | Filters / Other | 90 xrefs from AMSOIL, BALDWIN +24 more26 mfgs·450 OEM xrefs |
| OP85 | Filters / Other | 15 xrefs from BALDWIN, CARQUEST +10 more12 mfgs·94 OEM xrefs |
| OPA103 | Filters / Other | 80 xrefs from BALDWIN, BOSCH +25 more27 mfgs·396 OEM xrefs |
| OPA107 | Filters / Other | 41 xrefs from BALDWIN, BOSCH +18 more20 mfgs·167 OEM xrefs |
| OPA110 | Filters / Other | 79 xrefs from BALDWIN, BOSCH +22 more24 mfgs·311 OEM xrefs |
| OPA111 | Filters / Other | 10 xrefs from BALDWIN, BECK/ARNLEY +6 more8 mfgs·43 OEM xrefs |
| OPA113 | Filters / Other | 4 xrefs from BALDWIN, BOSCH +1 more3 mfgs·40 OEM xrefs |
| OPA1149 | Filters / Other | 90 xrefs from BALDWIN, BOSCH +18 more20 mfgs·374 OEM xrefs |
| OPA1153 | Filters / Other | 17 xrefs from BOSCH, CHAMPION +7 more9 mfgs·66 OEM xrefs |
| OPA117 | Filters / Other | 33 xrefs from BALDWIN, BOSCH +17 more19 mfgs·108 OEM xrefs |
| OPA118 | Filters / Other | 4 xrefs from BECK/ARNLEY, FRAM +2 more4 mfgs·32 OEM xrefs |
| OPA120 | Filters / Other | 15 xrefs from BALDWIN, ECOGARD +8 more10 mfgs·95 OEM xrefs |
| OPA124 | Filters / Other | 23 xrefs from BALDWIN, BOSCH +10 more12 mfgs·135 OEM xrefs |
| OPA129 | Filters / Other | 9 xrefs from BALDWIN, DONALDSON +6 more8 mfgs·85 OEM xrefs |
| OPA131 | Filters / Other | 19 xrefs from AMSOIL, BALDWIN +14 more16 mfgs·105 OEM xrefs |
| OPA15 | Filters / Other | 36 xrefs from BALDWIN, BECK/ARNLEY +18 more20 mfgs·168 OEM xrefs |
| OPA16 | Filters / Other | 48 xrefs from BALDWIN, BOSCH +19 more21 mfgs·248 OEM xrefs |
| OPA1640 | Filters / Other | 6 xrefs from BALDWIN, DONALDSON +4 more6 mfgs·26 OEM xrefs |
| OPA17 | Filters / Other | 14 xrefs from BECK/ARNLEY, BOSCH +10 more12 mfgs·42 OEM xrefs |
| OPA170B | Filters / Other | 3 xrefs from BOSCH, COOPERS +1 more3 mfgs·17 OEM xrefs |
| OPA20 | Filters / Other | 41 xrefs from BALDWIN, BOSCH +18 more20 mfgs·167 OEM xrefs |
| OPA2318 | Filters / Other | 5 xrefs from BALDWIN, DONALDSON +3 more5 mfgs·26 OEM xrefs |
| OPA2923 | Filters / Other | 6 xrefs from BALDWIN, DONALDSON +4 more6 mfgs·26 OEM xrefs |
| OPA3 | Filters / Other | 12 xrefs from BOSCH, COOPERS +7 more9 mfgs·47 OEM xrefs |
| OPA3080 | Filters / Other | 4 xrefs from BALDWIN, FRAM +2 more4 mfgs·25 OEM xrefs |
| OPA3087 | Filters / Other | 37 xrefs from BALDWIN, BECK/ARNLEY +23 more25 mfgs·133 OEM xrefs |
| OPA3138 | Filters / Other | 14 xrefs from BALDWIN, DONALDSON +9 more11 mfgs·106 OEM xrefs |
