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        Duramax Fan Extension Harness 2011-2016 GM 2500HD 3500HD Duramax (LML) Fleece Performance

        SKU: FPE-HAR-DMAX-FAN-LML-FQWW

        Direct-fit fan extension harness for 2011–2016 LML 6.6L Duramax—connects fan assembly to chassis harness, high-quality construction, easy install.

        0.0
        Fleece Performance
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Fleece Performance
        • $66.50

        Out of stock

        Easily connect your fan assembly to the chassis harness with this direct-fit extension harness for 2011–2016 LML 6.6L Duramax engines. Designed for seamless integration, this extension harness mounts to the fan assembly and provides a secure, reliable connection—no need to replace the entire fan or clutch assembly.
        Produced in-house with fully automated wire cutting and terminal crimping, this harness ensures consistent quality and durability. Perfect for Silverado, Sierra, and other GM trucks, this extension harness is compatible with multiple OEM cooling fan clutch part numbers: 15-40580, 15-40513, 84144840, 25838900, 1540513, 84166745, and 23134137.

        Key Features:

        • Direct-fit extension for 2011–2016 LML 6.6L Duramax
        • Connects fan assembly to chassis harness
        • High-quality, in-house automated manufacturing
        • Compatible with popular GM and AC Delco part numbers
        • Quick, secure installation

        Fitment:

        • 2011–2016 Silverado 2500/3500 HD
        • 2011–2016 Sierra 2500/3500 HD
        • Other GM trucks with 6.6L LML Duramax and listed fan clutch part numbers
          • SKU
            FPE-HAR-DMAX-FAN-LML-FQWW
          • Weight
            2 lbs
          • Dimensions (L x W x H)
            12 x 4 x 4 in
          • Barcode
            670875719088
          • Manufacturer Part #
            FPE-HAR-DMAX-FAN-LML
        • Engine Year
          2011-2016
        • Property 65 Warning
          CALIFORNIA WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov
        • Vehicle Type
          Truck/SUV
        • Brand
          Fleece Performance
        • Country of Origin
          US
        • Sold As
          Each
        • Warranty
          6 Month Limited Warranty
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        Shipping Times

        Most customers will see their parts within 3-5 business days. We will primarily ship with Purolator ground & DHL Express to ensure the fastest shipping possible.

        Please Note: These are only estimates and shipping time may vary depending on your location, out of country and rural locations expect longer wait times.

        Where Do We Ship 

        We will ship our products within Canada and the United States.

        Please Note: There are limitations what can be shipped to the United States.

        Damaged Shipments

        We provide the option to purchase insurance as we are not responsible for any damage while with a courier, we don’t often see issues, but it does happen. If you purchased insurance we will put in a claim, if no insurance was purchased there will be no refunds or exchanges.

        We accept the following payment methods:


        Return Policy

        It happens sometimes we would like to return it. Here are our return rules:

        • Prior to any return you must contact us and get an approval for a  RMA number
        • Product must be unopened and have no damage. 
        • You must pay for the shipping back, please insure so if anything happens you can make a claim, we are not responsible for damage during shipping and is the sole responsibility of the customer.
        • Regular products are subject to a 5% Restocking fee.
        • Items over 50 lbs. or special orders will be subject to a 20% Restocking fee.
        • Electronics & Tuning is a final sale and cannot be returned. 
        • Fitment Type
          Vehicle Specific
        YearMakeModelNotes
        2011ChevroletSilverado 3500 HD
        2011ChevroletSilverado 2500 HD
        2011GMCSierra 2500 HD
        2011GMCSierra 3500 HD
        2012ChevroletSilverado 3500 HD
        2012ChevroletSilverado 2500 HD
        2012GMCSierra 2500 HD
        2012GMCSierra 3500 HD
        2013ChevroletSilverado 3500 HD
        2013ChevroletSilverado 2500 HD
        2013GMCSierra 2500 HD
        2013GMCSierra 3500 HD
        2014ChevroletSilverado 3500 HD
        2014ChevroletSilverado 2500 HD
        2014GMCSierra 2500 HD
        2014GMCSierra 3500 HD
        2015ChevroletSilverado 3500 HD
        2015ChevroletSilverado 2500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD
        2016ChevroletSilverado 3500 HD
        2016ChevroletSilverado 2500 HD
        2016GMCSierra 2500 HD
        2016GMCSierra 3500 HD