| New | OEM |
|---|
ADDITIONAL IMAGES (IF AVAILABLE) ARE FOUND BELOW
3970378 3970377 3959035 QSB5.9 Engine Wiring Harness. Product type: Engine Wiring Harness. Part number(s): 3970378, 3970377, 3959035. Engine/model: QSB5.9. Application notes: engine wiring harness for Cummins QSB5.9 engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.
3970378 3970377 3959035 QSB5.9 Engine Wiring Harness. Product type: Engine Wiring Harness. Part number(s): 3970378, 3970377, 3959035. Engine/model: QSB5.9. Application notes: engine wiring harness for Cummins QSB5.9 engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.
| SKU | EL378CU00 |
|---|---|
| Part Number | 3970378 |
| Interchange / Replacement No. | 3970377, 3959035 |
| Engine Model / Series | QSB5.9 |
| Part Type | Engine Wiring Harness |
| Condition Options | New / Used / Remanufactured |
| Availability | Confirm by Inquiry |
For accurate matching, please provide the engine serial number, CPL, original nameplate or product photos before quotation.
Yes. Please send the engine model, ESN, CPL, original part number or clear photos. Our team can help check compatible options.
For engine parts, we can quote Original, OEM or Aftermarket options depending on stock, budget and lead-time requirements. For complete engines, options may include original, remanufactured or assembled condition.
Pricing depends on condition, availability, quantity, technical matching, packaging and destination. Please submit an inquiry for a project-based quotation.
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