| Competitor Part Number | Competitor Name | Interchange Type | Notes |
|---|---|---|---|
| 18891N | AFTERMARKET BRAND | Direct Replacement | |
| 18891NR | ZORKOS | Direct Replacement | |
| 18891 | LESTER | Direct Replacement | |
| 18891R | ZORKOS | Direct Replacement | |
| 18891NA | ZORKOS | Direct Replacement | |
| 18891 | DUBOIS | Direct Replacement | |
| 18891D | ZORKOS | Direct Replacement | |
| 18891RA | ZORKOS | Direct Replacement | |
| 8CW-81800-00-00 | YAMAHA | Direct Replacement | |
| 8CW-81800-01-00 | YAMAHA | Direct Replacement |