| X-19 | Filters / Oil | — |
| X 1-K | Filters / Other | 233 xrefs from ACDELCO, BALDWIN +28 more30 mfgs·729 OEM xrefs |
| X-2 | Filters / Oil | 242 xrefs from ACDELCO, BALDWIN +29 more31 mfgs·763 OEM xrefs |
| X20 | Filters / Other | — |
| X 200 | Filters / Other | — |
| X-22 | Filters / Oil | 169 xrefs from ACDELCO, BALDWIN +23 more25 mfgs·431 OEM xrefs |
| X 23 | Filters / Other | 41 xrefs from ACDELCO, BOSCH +10 more12 mfgs·127 OEM xrefs |
| X 24 | Filters / Other | — |
| X26 | Filters / Fuel | 19 xrefs from BALDWIN, BOSCH +12 more14 mfgs·61 OEM xrefs |
| X28 | Filters / Other | — |
| X-29 | Filters / Oil | 119 xrefs from ACDELCO, AMSOIL +26 more28 mfgs·289 OEM xrefs |
| X 3 | Filters / Other | 101 xrefs from ACDELCO, BALDWIN +24 more26 mfgs·240 OEM xrefs |
| X-35 | Filters / Oil | — |
| X-36 | Filters / Oil | 72 xrefs from ACDELCO, BALDWIN +21 more23 mfgs·175 OEM xrefs |
| X-37 | Filters / Oil | — |
| X-38 | Filters / Oil | — |
| X-39 | Filters / Oil | — |
| X 3 A | Filters / Other | 101 xrefs from ACDELCO, BALDWIN +24 more26 mfgs·240 OEM xrefs |
| X40 | Filters / Other | — |
| X 4002 E | Filters / Other | — |
| X 4003 E | Filters / Other | — |
| X 4004 E | Filters / Other | 70 xrefs from ACDELCO, BOSCH +15 more17 mfgs·297 OEM xrefs |
| X 4005 E | Filters / Other | — |
| X 4006 E | Filters / Other | 51 xrefs from ACDELCO, BOSCH +14 more16 mfgs·170 OEM xrefs |
| X 4007 E | Filters / Other | 98 xrefs from ACDELCO, AMSOIL +16 more18 mfgs·207 OEM xrefs |
| X 4008 E | Filters / Other | — |
| X 4009 E | Filters / Other | — |
| X 4011 E | Filters / Other | 169 xrefs from ACDELCO, BALDWIN +23 more25 mfgs·431 OEM xrefs |
| X 4012 E | Filters / Other | 13 xrefs from ACDELCO, BALDWIN +5 more7 mfgs·14 OEM xrefs |
| X 4013 E | Filters / Other | — |
| X 4016 E | Filters / Other | 119 xrefs from ACDELCO, AMSOIL +26 more28 mfgs·289 OEM xrefs |
| X 4017 E | Filters / Other | — |
| X 4018 E | Filters / Other | — |
| X 4019 E | Filters / Other | — |
| X 4020 E | Filters / Other | 233 xrefs from ACDELCO, BALDWIN +28 more30 mfgs·729 OEM xrefs |
| X 4023 E | Filters / Other | 15 xrefs from BOSCH, DELPHI +6 more8 mfgs·56 OEM xrefs |
| X 4024 E | Filters / Other | 51 xrefs from ACDELCO, BOSCH +14 more16 mfgs·170 OEM xrefs |
| X 4026 E | Filters / Other | — |
| X 4027 E | Filters / Other | — |
| X 4028 E | Filters / Other | 12 xrefs from BOSCH, CHAMPION +8 more10 mfgs·25 OEM xrefs |
| X 4029 E | Filters / Other | — |
| X 4030 E | Filters / Other | 38 xrefs from ACDELCO, BALDWIN +8 more10 mfgs·145 OEM xrefs |
| X 4031 E | Filters / Other | 101 xrefs from ACDELCO, BALDWIN +24 more26 mfgs·240 OEM xrefs |
| X 4032 E | Filters / Other | 46 xrefs from ACDELCO, BOSCH +14 more16 mfgs·134 OEM xrefs |
| X 4034 E | Filters / Other | — |
| X 4036 E | Filters / Other | 19 xrefs from ACDELCO, BOSCH +12 more14 mfgs·33 OEM xrefs |
| X 4038 E | Filters / Other | 51 xrefs from ACDELCO, BOSCH +15 more17 mfgs·112 OEM xrefs |
| X 4039 E | Filters / Other | 51 xrefs from ACDELCO, BOSCH +15 more17 mfgs·112 OEM xrefs |
| X 4041 E | Filters / Other | 233 xrefs from ACDELCO, BALDWIN +28 more30 mfgs·729 OEM xrefs |
| X 4042 E | Filters / Other | 46 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·73 OEM xrefs |
