| OP17 | Filters / Other | — |
| OP173 | Filters / Other | — |
| OP193 | Filters / Other | — |
| OP195 | Filters / Other | — |
| OP1A | Filters / Other | — |
| OP2167 | Filters / Other | — |
| OP288 | Filters / Other | — |
| OP291 | Filters / Other | 61 xrefs from ACDELCO, AMSOIL +28 more30 mfgs·232 OEM xrefs |
| OP33 | Filters / Other | — |
| OP40 | Filters / Other | — |
| OP4011 | Filters / Other | — |
| OP4457 | Filters / Other | — |
| OP4477 | Filters / Other | — |
| OP4619 | Filters / Other | — |
| OP4651 | Filters / Other | — |
| OP4670 | Filters / Other | — |
| OP49 | Filters / Other | — |
| OP81 | Filters / Other | — |
| OP85 | Filters / Other | — |
| OPA113 | Filters / Air | 133 xrefs from ACDELCO, AMSOIL +32 more34 mfgs·504 OEM xrefs |
| OPA1149 | Filters / Air | — |
| OPA16 | Filters / Air | — |
| OPA3138 | Filters / Air | — |
| OPA3149 | Filters / Air | — |
| OPA3192 | Filters / Air | — |
| OPA3195 | Filters / Air | — |
| OPA3196 | Filters / Air | — |
| OPA3380 | Filters / Air | — |
| OPA3384 | Filters / Air | — |
| OPA3398 | Filters / Air | — |
| OPA3465 | Filters / Air | 83 xrefs from ACDELCO, AMSOIL +28 more30 mfgs·337 OEM xrefs |
| OPA3466 | Filters / Air | 27 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·126 OEM xrefs |
| OPA3467 | Filters / Air | — |
| OPA3472 | Filters / Air | 29 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·185 OEM xrefs |
| OPA3474 | Filters / Air | 37 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·178 OEM xrefs |
| OPA3590 | Filters / Air | 51 xrefs from ACDELCO, AMSOIL +19 more21 mfgs·165 OEM xrefs |
| OPA3591 | Filters / Air | 32 xrefs from ACDELCO, AMSOIL +19 more21 mfgs·166 OEM xrefs |
| OPA3592 | Filters / Air | 123 xrefs from ACDELCO, AMSOIL +22 more24 mfgs·592 OEM xrefs |
| OPA3593 | Filters / Air | 123 xrefs from ACDELCO, AMSOIL +22 more24 mfgs·592 OEM xrefs |
| OPA4 | Filters / Air | — |
| OPA4297 | Filters / Air | — |
| OPA4299 | Filters / Air | 30 xrefs from ACDELCO, AMSOIL +21 more23 mfgs·158 OEM xrefs |
| OPA4327 | Filters / Air | 41 xrefs from ACDELCO, AMSOIL +23 more25 mfgs·152 OEM xrefs |
| OPA4342 | Filters / Air | — |
| OPA4343 | Filters / Air | — |
| OPA4347 | Filters / Air | 123 xrefs from ACDELCO, AMSOIL +22 more24 mfgs·592 OEM xrefs |
| OPA4372 | Filters / Air | — |
| OPA4378 | Filters / Air | 40 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·179 OEM xrefs |
| OPA4490 | Filters / Air | 169 xrefs from ACDELCO, AMSOIL +29 more31 mfgs·535 OEM xrefs |
| OPA4632 | Filters / Air | 32 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·130 OEM xrefs |
