Cummins ISX15 XPI Fuel Injector 4384363 (EPA13) - Injector Rebuild Service

*** PLEASE READ THE ENTIRE DESCRIPTION ***

KEY FEATURES

• OEM Part Number: 4384363
• Emissions Compatibility: EPA13
• Engine Fitment: Cummins ISX15 / QSX15 (CM2350)
• Advanced XPI fuel system compatibility
• Fully remanufactured and tested
• Flow-matched for consistent performance
  
• Designed for durability in demanding conditions

CROSS REFERENCE PART NUMBERS

• 4384363PX
• 4384363RX
• 2897320
• 2897320PX
• 5579419
• 5579419PX

The Cummins ISX15 XPI fuel injector 4384363 is a high-performance replacement injector designed for EPA13 engines. Commonly used as a cross-reference or updated replacement for earlier injector part numbers, this injector delivers precise fuel metering and consistent combustion performance.

Engineered for the CM2350 XPI fuel systems, the 4384363 injector supports multiple injection events per cycle, helping improve fuel efficiency, reduce emissions, and maintain optimal engine operation under heavy loads.

Each unit is fully remanufactured, tested, and calibrated to meet OEM standards, ensuring reliable performance and long service life.

What is an Injector Rebuild Service?

YOU SEND US YOUR INJECTORS. We rebuild them, test them, and pay for the return shipping back to you. Purchase this service for us to rebuild your set of six (6) Cummins ISX/QSX15 XPI fuel injectors.

Why Diesel Injectors So Cal?

Injectors are remanufactured in-house and flow-tested on a state-of-the-art bench to ensure they meet OEM specifications. Injectors for your ISX/QSX15 XPI come ready to install with o-rings and copper nozzle sleeves included. 

What are the Benefits?

You're saving big and receiving remanufactured injectors at a price point similar to the refurbished injectors offered by others. Enjoy smooth acceleration and fuel efficiency again. With the rebuild service, your injectors come with a 12-month, unlimited-mile warranty. Check out our warranty page for more information.