Description
4378050 Genuine Cummins ISB 6.7L and B6.7 DEF Header Quality Sensor
This genuine Cummins 4378050 DEF header quality sensor is built for select Cummins ISB 6.7L and B6.7 applications.
Additional catalog detail: DEF Header, 449mm.
Specifications
| Brand | Cummins |
| Part Type | DEF Level Sensor |
| Part Numbers | 4378050, 5511565, 4353390 |
| UPC | 715766AT |
| Weight | 35.0 lb |
| Engine / Fitment | ISB 6.7L and B6.7 |
| Application Part Type | DEF Head Unit |
| Application Notes | DEF Header, 449mm |
Fitment Note: A matching part number can fit additional engine models or years. Contact us or use the Parts Verification Form below to confirm Note: This is a secondary listing for the main product 5511565. Compatible or cross-reference part numbers include: 4378050, 4353390.






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