Description
24V Urea DEF Injector Doser Pump 4377650 – Premium Replacement for Cummins Engines
High-performance aftermarket 24V urea DEF injector doser pump engineered for precise diesel exhaust fluid delivery in Cummins diesel engines. Precision-manufactured for drop-in compatibility and reliable SCR aftertreatment performance in demanding on-highway and industrial environments.
Technical Specifications
Fits Part Numbers: 5578983, 4377649, 4377650, A050S599
Condition: New, aftermarket replacement
Function: 24V DEF urea dosing pump for SCR aftertreatment system
Verified Engine Compatibility
Fits Cummins Engines:
- B6.7 CM2350 B121B, B6.7 CM2350 B136C
- ISL9 CM2350 L111
- ISX15 CM2350 X101
- L9 CM2350 L116B, L9 CM2350 L120C, L9 CM2350 L133C
- QSB6.7 CM850, QSB6.7 CM2850
- QSG12 CM2350 G110
- QSK60 CM850 MCRS
- X12 CM2350 G110, X12 CM2350 X119B
- X15 CM2350 X114B, X15 CM2350 X116B, X15 CM2350 X123B, X15 CM2350 X129B
- X15 CM2450 X124B
Why Choose This DEF Doser Pump
The DEF injector doser pump is a critical component of your engine’s SCR aftertreatment system, precisely metering and injecting urea solution into the exhaust stream to reduce NOx emissions and maintain regulatory compliance. This replacement unit delivers:
- Reliable DEF dosing performance – Consistent and precise urea injection for optimal SCR system operation
- Exact-fit installation – Direct replacement with correct 24V specifications and connector configuration
- Durable construction – Built to withstand continuous operation in heavy-duty diesel aftertreatment environments
- Cost-effective solution – Premium aftermarket quality at a fraction of dealer pricing
Package Contents
1 × 24V Urea DEF Injector Doser Pump (4377650)
Essential for engine maintenance, DEF system repair, and preventive service. Keep your Cummins B6.7, L9, X12, X15, and QSK60 engines compliant and operating efficiently on every route and job site.
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