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2001-2004.5 REMAN CR INJECTOR, GM 6.6L LB7

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Alliant PowerSKU: AP55502
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Sale price$258.22 USD Regular price$286.92 USD

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for orders over $150. Significant and hazardous products ship using Ground service and may take up to 5 days. Please take a look at our Shipping Policy for more information.


60-day return period for any product that has not been installed and is in "brand-new" condition. Please have a look at our Returns Policy for more information.


The warranty is different on each product as they are from different brands. Please refer below to know more about them. See our Limited Warranty Policy for more information.


Most fuel injectors are sold with a core charge. To qualify as a core, the returned injector must be in acceptable conditions.

Any injector unacceptable to Ford, Alliant Power, PurePower, or any other manufacturer, including us, will not warrant a core return. 

There is no return on installed / dirty / used / soiled fuel injectors. All cores are subject to our Core Return Policy

Warning P65
Cancer and Reproductive Harm


6.6L LB7 DURAMAX (2001-2004), VIN code 1

2001-2004 Chevrolet/GMC LB7 Silverado/Sierra/Kodiak/Topkick

Cross Reference:
Bosch: 0 986 435 502,  0 445 120 008
GM: 97729095, 97720661, 97208074, 97729095, 97720661, 97208074

Alliant Power Reman Common Rail Injector for 2001-2004.5 GM 6.6L Duramax LB7 Engines

Alliant Powers remanufactured injectors are built for engines that demand the most out of their fuel systems in the most challenging conditions.  Alliant Powers PN# AP55502 is the technician's choice when you want to ensure that you need the best quality injector for your Chevrolet Silverado or GMC Sierra Truck.

Each injector is assembled with only OE or OE equivalent components; the bodies are 100% reconditioned to reduce leakage and extend life and performance.
Once the injectors are assembled, they pass a rigorous end-of-line test to OE specs on OE equivalent test equipment that checks for external and internal leaks, up to 15 different pressures and pulse widths, and injection timing beginning and end.

Included in the Box:

  • (1)  Reman Injector
  • (1)  Chamber Nozzle Tip Gasket
  • (2)  Injector Sealing O-ring

Features and Benefits:

  • Two-year, unlimited mileage warranty
  • 100% New Nozzles, all wearable parts, and critical components are replaced with OE Bosch or OE equivalent components
  • Assembled and built proudly in the USA within Alliant Powers ISO 9001:2015 Certified Facility
  • Lowest warranty rates within the industry


  • 2001-2004.5 Chevrolet Silverado 2500
  • 2001-2004.5 Chevrolet Silverado 3500
  • 2001-2004.5 GMC Sierra 2500
  • 2001-2004.5 GMC Sierra 3500

Warranty: 24-month, unlimited mileage warranty, free of manufacturing defects in material and craftsmanship.

About Alliant Power:

With a legacy spanning decades, Alliant Power has emerged as a trusted and leading brand dedicated to delivering innovative and reliable fuel injector and pump products to meet the diverse needs of customers worldwide.  Whether it's agriculture, construction, transportation, or industrial applications, Alliant Power's commitment to excellence ensures that our customers receive the highest quality power solutions they can rely on daily.

Alliant Power takes pride in our customer-centric approach. Alliant Power prioritizes building long-term customer relationships by providing unmatched technical support, personalized service, and prompt assistance. Alliant Power's commitment to customer satisfaction is at the core of everything, enabling us to be a reliable partner in powering their success.  As a global brand, Alliant Power has a widespread presence, serving customers across the globe. Our distribution network ensures that our products are readily available and easily accessible, making it convenient for customers to find the power solutions they need wherever they may be.

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