Description
Description
Rebuilt fuel injector set (4 injectors) with fuel supply assemblies for Dodge Cummins 4.5L diesel engine applications.
Each injector in the set is professionally rebuilt, ultrasonically cleaned, calibrated, and flow tested to OEM specifications. Every injector is verified before shipping to ensure precise fuel delivery, balanced cylinder performance, and long-term reliability.
This injector set is engineered to:
- Restore precise fuel atomization
- Improve horsepower and throttle response
- Reduce excessive smoke and rough engine operation
- Eliminate injector balance and fuel delivery issues
- Support consistent fuel flow across all cylinders
Each injector includes the fuel supply assembly and is designed to provide dependable fuel system performance in demanding diesel applications.
Replacing the complete injector set helps maintain proper fuel balance throughout the engine and prevents performance issues caused by uneven injector wear. A matched injector set promotes smoother operation, improved fuel economy, and dependable long-term performance.
Fitment is verified before shipment to ensure compatibility with your engine and fuel system configuration.
Common Cross References
- Fuel Supply Injector Assembly
- Injector with Fuel Supply Included
- Remanufactured Injector Set
- OEM Replacement Fuel Injector Assembly
(Exact injector supplied depends on engine serial number and application — fitment is verified before shipping.)
Compatible Engines
- Dodge Cummins 4.5L Diesel Applications
- Cummins QSB 4.5L Engines
- Industrial and Commercial 4.5L Diesel Applications
Commonly used in:
- Commercial trucks
- Service vehicles
- Industrial equipment
- Agricultural equipment
- Fleet applications
Need Fitment Confirmation?
📞 Call or text (909) 639-4195
Have your engine serial number or injector part number ready and we’ll confirm the correct injector set before you order.
When your equipment is down, speed matters. We verify fast and ship fast.
Why Choose This Injector Set?
- Professionally rebuilt to OEM specifications
- Includes fuel supply assemblies
- Fully bench-tested for pressure, leakage, and performance
- Restores power, fuel efficiency, and smooth engine operation
- Balanced injector set for consistent cylinder performance
- Built for long-term diesel reliability
- Tested, verified, and engineered for maximum uptime
Core Policy
A core refund is available when your old injectors are returned.
Cores must be received within 30 days of purchase to qualify.
Shipping & Support
- Free UPS Ground shipping
- Expedited shipping available
- Backed by direct Samperio Turbo Rebuild technical support
You’ll speak to diesel experts, not call centers. Reliable support from people who understand diesel fuel systems and the importance of minimizing downtime.




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