PDI 111007159421 Big Boss Injector Kit (6 Pack) for 2017-2024 Cummins ISX15

In Stock
Part #: 111007159421
Now $5,799.99
Core Charge

Core charges apply to each item purchased. If a quantity of 3 is purchased, the core charge listed will be charged for each item.

+ $2,700.00
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ADD TO CART ($8,499.99)

Installation Instructions

PDI Big Boss Injectors 111007159421 Details

This injector kit from PDI is designed for 2017-2024 Cummins ISX15 engines. It features 6 high-quality remanufactured injectors, with honed tips and matched flow rates for reliable performance. Each are expertly rebuilt using only new components for long-lasting and smooth engine operation.

Key Features

  • Available for: 2017-2024 Cummins ISX15 Engines
  • Remanufactured With Only New Components
  • Honed Tips & Matched Flow Rates
  • 5% Flow Increase Over OE Injectors
  • Long Lasting & Smooth Engine Operation
  • 1 Year Unlimited Mile Warranty
  • $2700 Fully Refundable Core Charge For Set Of 6 Injectors
  • Note: Cross Reference OEM Injector Numbers Below

Important Core Charge Information: Choose the option to send cores in prior to shipment and pay $2700 less up front, or to pay core charge now of $2700 and receive your injectors sooner. Core charge of $2700 refundable upon receiving cores back. Upon ordering we will provide you with a return shipping label for your cores to make it easy to return your cores. Call us and place your order over the phone if you would like to send your cores in up front.

Replacement Injector Numbers 

OEM Cross Reference: 5579421RX, 5579421, 5579421NX, 4384365PX, 4384365RX, 4384365, 4384365NX, 4327147PX, 4327147RX, 4327147, 4327147NX, 5579421PX


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
California Proposition 65 Notice
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