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12_8949ed05-da92-453d-8861-0d740436f57c - Northline Parts

New Fan Clutch Assembly for GMC Sierra 2500 HD 6.6L V8 Diesel 2011-2014 25838900

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

New Fan Clutch Assembly for GMC Sierra 2500 HD 6.6L V8 Diesel 2011-2014 (Replaces 25838900)

Maintain your engine's peak performance and prevent overheating with this high-quality aftermarket fan clutch assembly. Specifically engineered for the GMC Sierra 2500 HD with the 6.6L V8 Diesel engine, this replacement part ensures your cooling system operates efficiently under heavy loads and varying driving conditions. This is a premium aftermarket component designed to offer a direct fit and reliable operation at a more affordable price point than the dealer.

Key Features & Benefits

  • Efficient Cooling: Restores proper airflow through the radiator to keep your engine running at optimal temperatures.
  • Direct Fit Replacement: Designed as a direct aftermarket replacement for part number 25838900, ensuring a hassle-free installation process.
  • Heavy-Duty Construction: Manufactured with high-grade materials to withstand the rigorous demands of diesel engine cooling.
  • Aftermarket Reliability: Built to meet or exceed industry standards for performance and longevity without the OEM price tag.
  • Quiet Operation: Precision-engineered to reduce fan noise while maximizing cooling efficiency.

Compatible Models

  • 2011 GMC Sierra 2500 HD (6.6L V8 Diesel)
  • 2012 GMC Sierra 2500 HD (6.6L V8 Diesel)
  • 2013 GMC Sierra 2500 HD (6.6L V8 Diesel)
  • 2014 GMC Sierra 2500 HD (6.6L V8 Diesel)

Product Specifications

  • Part Type: Fan Clutch Assembly
  • Engine Type: 6.6L V8 Diesel
  • Condition: New
  • Interchange Part Number: 25838900
  • Fitment Type: Aftermarket Replacement

Frequently Asked Questions

Is this an OEM part?
No, this is a high-performance aftermarket replacement part. It is engineered to provide the same fit and function as the original equipment but is not manufactured by the original equipment manufacturer (OEM).

How do I confirm compatibility?
To ensure this part fits your vehicle, please verify that your GMC Sierra 2500 HD falls within the 2011-2014 year range and is equipped with the 6.6L V8 Diesel engine. You should also cross-reference your original part number with the interchange number 25838900.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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