| 4000 | Ignition / Spark Plugs | 14 xrefs from AUTOLITE, BOSCH +1 more3 mfgs |
| 4001 | Ignition / Spark Plugs | 37 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4002 | Ignition / Spark Plugs | 25 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4003 | Ignition / Spark Plugs | 11 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs·1 OEM xrefs |
| 4004 | Ignition / Spark Plugs | 38 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·2 OEM xrefs |
| 4005 | Ignition / Spark Plugs | 27 xrefs from AUTOLITE, BOSCH +3 more5 mfgs |
| 4006 | Ignition / Spark Plugs | 7 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| 4006HE | Filters / Other | — |
| 4007 | Ignition / Spark Plugs | 11 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| 4008 | Ignition / Spark Plugs | 11 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| 4009 | Ignition / Spark Plugs | 18 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| 4010 | Ignition / Spark Plugs | 18 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| 4011 | Ignition / Spark Plugs | 60 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4012 | Ignition / Spark Plugs | 16 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs |
| 4013 | Ignition / Spark Plugs | 25 xrefs from ACDELCO, AUTOLITE +2 more4 mfgs |
| 4014 | Ignition / Spark Plugs | 27 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4015 | Ignition / Spark Plugs | 40 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4016 | Ignition / Spark Plugs | 54 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4017 | Ignition / Spark Plugs | 23 xrefs from AUTOLITE, BOSCH +3 more5 mfgs·1 OEM xrefs |
| 4018 | Ignition / Spark Plugs | 53 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·5 OEM xrefs |
| 4019 | Ignition / Spark Plugs | 27 xrefs from BOSCH, CHAMPION +3 more5 mfgs·5 OEM xrefs |
| 4020 | Ignition / Spark Plugs | 53 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·5 OEM xrefs |
| 4021 | Ignition / Spark Plugs | 27 xrefs from BOSCH, CHAMPION +3 more5 mfgs·5 OEM xrefs |
| 4022 | Ignition / Spark Plugs | 38 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4023 | Ignition / Spark Plugs | 38 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4024 | Ignition / Spark Plugs | 38 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·2 OEM xrefs |
| 4025 | Ignition / Spark Plugs | 54 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4026 | Ignition / Spark Plugs | 14 xrefs from AUTOLITE, BOSCH +1 more3 mfgs |
| 4027 | Ignition / Spark Plugs | 27 xrefs from AUTOLITE, BOSCH +4 more6 mfgs·2 OEM xrefs |
| 4028 | Ignition / Spark Plugs | 48 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·6 OEM xrefs |
| 4029 | Ignition / Spark Plugs | 10 xrefs from BOSCH, CHAMPION +1 more3 mfgs |
| 4031 | Ignition / Spark Plugs | 52 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·2 OEM xrefs |
| 4032 | Ignition / Spark Plugs | 32 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·5 OEM xrefs |
| 4033 | Ignition / Spark Plugs | 40 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4035 | Ignition / Spark Plugs | 27 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4036 | Ignition / Spark Plugs | 40 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·2 OEM xrefs |
| 4037 | Ignition / Spark Plugs | 1 xrefs from NGK1 mfg |
| 4038 | Ignition / Spark Plugs | 28 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·5 OEM xrefs |
| 4039 | Ignition / Spark Plugs | 25 xrefs from ACDELCO, AUTOLITE +2 more4 mfgs |
| 4041 | Ignition / Spark Plugs | 51 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs |
| 4087HE | Filters / Other | — |
| 40HE | Filters / Other | — |
| 4127HE | Filters / Other | 116 xrefs from ACDELCO, BALDWIN +24 more26 mfgs·790 OEM xrefs |
| 4128HE | Filters / Other | — |
| 4131HE | Filters / Other | — |
| 4141HE | Filters / Other | — |
| 4142HE | Filters / Other | 167 xrefs from ACDELCO, BALDWIN +26 more28 mfgs·331 OEM xrefs |
| 4201 | Ignition / Spark Plugs | 37 xrefs from ACDELCO, AUTOLITE +5 more7 mfgs·1 OEM xrefs |
| 4202 | Ignition / Spark Plugs | 20 xrefs from AUTOLITE, BOSCH +2 more4 mfgs |
| 4203 | Ignition / Spark Plugs | 11 xrefs from ACDELCO, AUTOLITE +3 more5 mfgs·1 OEM xrefs |
