| Competitor Part Number | Competitor Name | Interchange Type | Notes |
|---|---|---|---|
| CUM128021 | CUMMINS | Direct Replacement | |
| 128021 | CUMMINS | Direct Replacement | |
| 128021RX | CUMMINS | Direct Replacement | |
| 128021PX | CUMMINS | Direct Replacement | |
| 128021NX | CUMMINS | Direct Replacement | |
| 128021-1 | CUMMINS | Direct Replacement |