| 3807 | Filters / Air | 15 xrefs from BALDWIN, DONALDSON +7 more9 mfgs·20 OEM xrefs |
| 3808 | Filters / Air | 17 xrefs from ACDELCO, BALDWIN +12 more14 mfgs·42 OEM xrefs |
| 3809 | Filters / Air | 8 xrefs from ACDELCO, BALDWIN +6 more8 mfgs·20 OEM xrefs |
| 3901 | Filters / Air | 12 xrefs from ACDELCO, COOPERS +7 more9 mfgs·12 OEM xrefs |
| 3902 | Filters / Air | 14 xrefs from ACDELCO, BALDWIN +6 more8 mfgs·34 OEM xrefs |
| 3903 | Filters / Air | 23 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·64 OEM xrefs |
| 3907 | Filters / Air | 14 xrefs from DONALDSON, FLEETRITE +4 more6 mfgs·20 OEM xrefs |
| 3X3 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·72 OEM xrefs |
| 3X4 | Filters / Air | 20 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·71 OEM xrefs |
| 3X8 | Filters / Air | — |
| 4001 | Filters / Air | — |
| 4002 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·64 OEM xrefs |
| 4102 | Filters / Air | 129 xrefs from ACDELCO, BALDWIN +16 more18 mfgs·139 OEM xrefs |
| 4105 | Filters / Air | 17 xrefs from ACDELCO, BALDWIN +11 more13 mfgs·37 OEM xrefs |
| 4106 | Filters / Air | 41 xrefs from ACDELCO, BALDWIN +11 more13 mfgs·49 OEM xrefs |
| 4111 | Filters / Air | 20 xrefs from BALDWIN, CARQUEST +9 more11 mfgs·24 OEM xrefs |
| 418 | Filters / Air | 27 xrefs from ACDELCO, BALDWIN +15 more17 mfgs·44 OEM xrefs |
| 419 | Filters / Air | 50 xrefs from ACDELCO, AMSOIL +23 more25 mfgs·112 OEM xrefs |
| 4-4 | Filters / Other | 23 xrefs from BALDWIN, BECK/ARNLEY +10 more12 mfgs·112 OEM xrefs |
| 4401 | Filters / Air | 11 xrefs from ACDELCO, CHAMPION +4 more6 mfgs·18 OEM xrefs |
| 4402 | Filters / Air | 5 xrefs from BALDWIN, DONALDSON +1 more3 mfgs·16 OEM xrefs |
| 4403 | Filters / Air | — |
| 4405 | Filters / Air | 22 xrefs from BALDWIN, CARQUEST +9 more11 mfgs·13 OEM xrefs |
| 4406 | Filters / Air | 15 xrefs from ACDELCO, BALDWIN +10 more12 mfgs·17 OEM xrefs |
| 4408 | Filters / Air | 6 xrefs from CARQUEST, FLEETRITE +4 more6 mfgs·8 OEM xrefs |
| 4409 | Filters / Air | 5 xrefs from FLEETRITE, FRAM +2 more4 mfgs·8 OEM xrefs |
| 4502 | Filters / Air | 35 xrefs from ACDELCO, BALDWIN +19 more21 mfgs·81 OEM xrefs |
| 4601 | Filters / Air | 16 xrefs from BALDWIN, BOSCH +10 more12 mfgs·8 OEM xrefs |
| 4602 | Filters / Air | 14 xrefs from BALDWIN, COOPERS +8 more10 mfgs·13 OEM xrefs |
| 4604 | Filters / Air | — |
| 4606 | Filters / Air | 35 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·146 OEM xrefs |
| 4607 | Filters / Air | 32 xrefs from BALDWIN, CARQUEST +16 more18 mfgs·82 OEM xrefs |
| 4608 | Filters / Air | 8 xrefs from BOSCH, CARQUEST +5 more7 mfgs·27 OEM xrefs |
| 4609 | Filters / Air | 7 xrefs from BOSCH, CARQUEST +4 more6 mfgs·34 OEM xrefs |
| 4610 | Filters / Air | 19 xrefs from BALDWIN, BOSCH +14 more16 mfgs·9 OEM xrefs |
| 4611 | Filters / Air | 18 xrefs from BALDWIN, BOSCH +13 more15 mfgs·16 OEM xrefs |
| 47 | Filters / Air | 59 xrefs from ACDELCO, BALDWIN +19 more21 mfgs·271 OEM xrefs |
| 4X4 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·85 OEM xrefs |
| 4X5 | Filters / Air | 20 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·60 OEM xrefs |
| 4X6 | Filters / Air | 24 xrefs from ACDELCO, BALDWIN +16 more18 mfgs·115 OEM xrefs |
| 4X8 | Filters / Air | 23 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·119 OEM xrefs |
| 5001 | Filters / Air | — |
| 51 | Filters / Air | 45 xrefs from ACDELCO, BALDWIN +16 more18 mfgs·74 OEM xrefs |
| 55 | Filters / Air | 14 xrefs from BALDWIN, CARQUEST +7 more9 mfgs·26 OEM xrefs |
| 56 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +12 more14 mfgs·27 OEM xrefs |
| 5X8 | Filters / Air | — |
| 61 | Filters / Air | 59 xrefs from ACDELCO, BALDWIN +19 more21 mfgs·271 OEM xrefs |
| 610 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +12 more14 mfgs·77 OEM xrefs |
| 6101 | Filters / Air | 46 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·124 OEM xrefs |
| 6102 | Filters / Air | 51 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·78 OEM xrefs |
