| Main Part No | Sales Part No | Part Description |
|---|---|---|
| 178131 | 178131 | BorgWarner New S4D Turbocharger for 1990-2002 Caterpillar 3406 & 3406B |
| 178063 | 178063 | New BorgWarner S4D025 Turbocharger for 350HP - 500HP Caterpillar (CAT) |
| Competitor Part Number | Competitor Name | Interchange Type | Notes |
|---|---|---|---|
| 187249 | BORGWARNER | Direct Replacement | |
| SP187249 | MISC BRAND | Direct Replacement |