| Competitor Part Number | Competitor Name | Interchange Type | Notes |
|---|---|---|---|
| 18239R | AFTERMARKET BRAND | Direct Replacement | |
| 18239NR | ZORKOS | Direct Replacement | |
| 18239D | ZORKOS | Direct Replacement | |
| 18239 | LESTER | Direct Replacement | |
| 18239C | ZORKOS | Direct Replacement | |
| 18239NA | ZORKOS | Direct Replacement | |
| 18239RA | ZORKOS | Direct Replacement | |
| 18239N | ZORKOS | Direct Replacement | |
| M900487 | DUBOIS | Direct Replacement | |
| ST-18239 | RCP | Direct Replacement |