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4954434 | Cummins ISX Fuel Injector, Remanufactured

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Availability: In Stock & Ready to Ship!
Shipping: Free shipping applies to commercial addresses within the continental United States only. Freight carriers charge an additional $100.00 for residential addresses.
Pricing: $329.99

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Do you know the story of your Fuel Injector? Can you say it will last a billion cycles?
We can, but our competitors can't.

When it comes to fuel injectors, we all know there are two main reasons for failure: excessive wear and deposits. And, when you shop the competition, there's no guarantee you won't have these problems weeks after your installation. Why? Because while our competition knows how to make a fuel injector shine like nobody's business, they're not the experts in getting that sweet-source-of-power to last another million miles. We are.

Each and every fuel injector from Highway and Heavy Parts has been fully disassembled, thoroughly inspected, and cleaned to perfection. Once that's complete, our suppliers (who also supply the OEM's) replace 100% of the critical components.

The result? The best ride of your life brought to you by a perfect seal, and a little extra jangle in your pocket with increased efficiency.

Need a little extra proof? Let's talk shop.
  • All injectors at HHP are disassembled, cleaned and inspected, all flat surfaces lapped for proper sealing, nozzles are rebuilt and flow tested, nozzles are reground to ensure proper sealing and atomization. Simply put, it's quality and consistency you can count on.
  • Our Fuel Injectors are made to excellent quality paired with consistency. Nozzle vop ( valve opening pressure) is set to OE specifications, control valves are rebuilt, and dimensioned back to OE specifications, all components are reassembled and calibrated on a computer controlled test bench that measures flow, internal pressure, and timing of the injector, Fuel Injectors get a new nozzle tip every time.
  • Here at HHP we know that time is money. That's why once all specs are met the injector is cleaned and new O-rings are installed before packaging.
  • Let us help you with the tough questions! Our ASE certified technicians on staff can help to answer all of your technical questions.


  • (1) Fuel Injector


1-Year Warranty

OEM Applications

  • 4954434
  • 4954434RX

Technical Data

General Information:
Cummins ISX Engine Specifications:
Year: 1997-2010
Liter: 15.0L
Cylinders: L 6
Bore/Stroke: 5.3937"-5.4000". 6.653"
Compression Ratio: 18.0:1
Firing Order: 1-5-3-6-2-4
Comments: 24 Valve, ISX, QSX, DOHC, Signature 600 Series

Tune-Up Specifications:
Oil Pressure at Idle: 20 PSI @ Idle 200º F
Oil Pressure: -
Intake Valve Lash: .014" Cold
Exhaust Valve Lash: .027" Cold


Shipping Information

  • Item Requires Shipping
  • 3.0 lbs.
  • W6.0000” x H3.5000” x L13.0000”
  • Free Shipping!
  • Free shipping applies to commercial addresses within the continental United States only. Freight carriers charge an additional $100.00 for residential addresses.

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