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DEF Injector for Cummins ISB 6.7L SCR System
- Part number
- 39-U-4377650A
- Price range
- $995.90
- Last checked
- Oct 28, 2026
Spec sheet
Collected from 1 supplier page - confirm fit with the supplier before ordering.
4377650 - DEF Injector for Cummins ISB 6.7L SCR System
Suppliers (1)
- Midwest Bus PartsDEF Injector for Cummins ISB 6.7L SCR System · In stockChecked Oct 28, 2026$995.90View at supplier
Specifications and fitment
- Part Type
- DEF Injector
- Category
- DEF Tanks & Parts
Features
- Designed for Cummins ISB 6.7L applications
- OEM-style SCR DEF doser injector
- Helps restore proper DEF delivery
- Supports NOx reduction and emissions compliance
- Reduces risk of SCR fault codes and derates
- Direct replacement design
- Built for commercial truck and school bus applications
- Suitable for fleet maintenance and emissions repairs
Fits
- Cummins ISB 6.7L engines
- School buses
- Medium-duty trucks
- Commercial fleet vehicles
- Municipal and vocational equipment
Price history
| Date | Supplier | Price | Stock |
|---|---|---|---|
| Oct 28, 2026 | Midwest Bus Parts | $995.90 | In stock |