Description
Description
Rebuilt fuel injector for Detroit Diesel DD13, DD15, and DD16 engines equipped with Bosch common rail fuel systems.
Each injector is professionally rebuilt, ultrasonically cleaned, calibrated, and flow tested to OEM Bosch and Detroit Diesel specifications. Every injector is verified before shipping to ensure precise fuel delivery, dependable engine performance, and long service life.
This injector is engineered to:
- Restore precise fuel atomization
- Improve horsepower and throttle response
- Reduce excessive smoke and rough engine operation
- Eliminate common injector-related performance issues
- Support efficient combustion and fuel economy
Designed for high-pressure common rail fuel systems, this injector helps restore engine performance while maintaining OEM fuel flow and spray pattern standards.
This injector replaces OEM Bosch injector part number 0445120540 and compatible Detroit Diesel references. Fitment is verified before shipment.
Common Cross References
- 0445120540
- 0 445 120 540
- R0445120540
- A4710700987
- EA4710700987
- DDE A4710700987
(Exact injector supplied depends on engine serial number and application — fitment is verified before shipping.)
Compatible Engines
- Detroit DD13
- Detroit DD15
- Detroit DD16
Commonly used in:
- Long-haul trucking applications
- Regional haul fleets
- Heavy-duty vocational trucks
- Construction and utility fleets
- Commercial transportation operations
Commonly installed in:
- Freightliner Cascadia
- Freightliner 122SD
- Western Star 4700
- Western Star 4900
- Freightliner Coronado
- Various Detroit-powered heavy-duty truck applications
Need Fitment Confirmation?
📞 Call or text (909) 639-4195
Have your engine serial number ready and we’ll confirm the correct injector before you order.
When your truck is down, speed matters. We verify fast and ship fast.
Why Choose This Injector?
- Rebuilt to OEM Bosch and Detroit Diesel fuel-flow specifications
- Fully bench-tested for pressure, leakage, and performance
- Restores power, fuel efficiency, and smooth engine operation
- Built for long-term heavy-duty reliability
- Tested, verified, and engineered for maximum uptime
Core Policy
A core refund is available when your old injector is 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 know Detroit Diesel fuel systems and understand the importance of minimizing downtime.



Reviews
There are no reviews yet.