| U15840 | Filters / Air | 23 xrefs from ACDELCO, BALDWIN +12 more14 mfgs·26 OEM xrefs |
| U15889 | Filters / Air | 14 xrefs from BALDWIN, DONALDSON +6 more8 mfgs·40 OEM xrefs |
| U15890 | Filters / Air | 25 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·57 OEM xrefs |
| U16127 | Filters / Air | 33 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·45 OEM xrefs |
| U16143 | Filters / Air | — |
| U16345 | Filters / Air | — |
| U16586 | Filters / Air | 21 xrefs from ACDELCO, BALDWIN +11 more13 mfgs·25 OEM xrefs |
| U16880 | Filters / Air | 65 xrefs from ACDELCO, BALDWIN +17 more19 mfgs·97 OEM xrefs |
| U16918 | Filters / Air | — |
| U16A | Filters / Air | — |
| U16F | Filters / Hydraulic | 15 xrefs from ACDELCO, BALDWIN +11 more13 mfgs·10 OEM xrefs |
| U17185K | Filters / Air | 35 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·59 OEM xrefs |
| U17202 | Filters / Air | — |
| U17327 | Filters / Air | — |
| U17624 | Filters / Air | 13 xrefs from BALDWIN, DONALDSON +6 more8 mfgs·31 OEM xrefs |
| U17624K | Filters / Air | 13 xrefs from BALDWIN, DONALDSON +6 more8 mfgs·31 OEM xrefs |
| U17782 | Filters / Air | — |
| U17797 | Filters / Air | — |
| U17815 | Filters / Air | 35 xrefs from ACDELCO, BALDWIN +13 more15 mfgs·59 OEM xrefs |
| U17A | Filters / Air | — |
| U17F | Filters / Fuel | — |
| U18047 | Filters / Air | — |
| U18954 | Filters / Air | 32 xrefs from ACDELCO, BALDWIN +12 more14 mfgs·53 OEM xrefs |
| U19250 | Filters / Air | 24 xrefs from ACDELCO, BALDWIN +14 more16 mfgs·31 OEM xrefs |
| U19370 | Filters / Air | 93 xrefs from ACDELCO, BALDWIN +18 more20 mfgs·405 OEM xrefs |
| U19A | Filters / Air | 144 xrefs from ACDELCO, AMSOIL +30 more32 mfgs·551 OEM xrefs |
| U1A | Filters / Air | 12 xrefs from ACDELCO, BALDWIN +8 more10 mfgs·23 OEM xrefs |
| U1F | Filters / Fuel | 55 xrefs from ACDELCO, BALDWIN +17 more19 mfgs·133 OEM xrefs |
| U1L | Filters / Oil | — |
| U20A | Filters / Air | 144 xrefs from ACDELCO, AMSOIL +30 more32 mfgs·551 OEM xrefs |
| U21A | Filters / Air | 39 xrefs from ACDELCO, AMSOIL +18 more20 mfgs·109 OEM xrefs |
| U22A | Filters / Air | — |
| U23A | Filters / Air | — |
| U25A | Filters / Air | — |
| U26A | Filters / Air | — |
| U26L | Filters / Oil | — |
| U27A | Filters / Air | — |
| U27L | Filters / Oil | 101 xrefs from ACDELCO, BALDWIN +21 more23 mfgs·296 OEM xrefs |
| U28L | Filters / Oil | — |
| U2A | Filters / Air | — |
| U2L | Filters / Oil | — |
| U30A | Filters / Air | — |
| U30L | Filters / Oil | — |
| U31A | Filters / Air | 89 xrefs from ACDELCO, AMSOIL +19 more21 mfgs·317 OEM xrefs |
| U31L | Filters / Other | 15 xrefs from ACDELCO, BALDWIN +10 more12 mfgs·47 OEM xrefs |
| U32A | Filters / Air | — |
| U33L | Filters / Oil | — |
| U34A | Filters / Air | — |
| U34L | Filters / Oil | — |
| U35A | Filters / Air | 66 xrefs from ACDELCO, AMSOIL +25 more27 mfgs·330 OEM xrefs |
