Subtotal:$0.00
Duramax Fan Extension Harness 2011-2016 GM 2500HD 3500HD Duramax (LML) Fleece Performance
Direct-fit fan extension harness for 2011–2016 LML 6.6L Duramax—connects fan assembly to chassis harness, high-quality construction, easy install.
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
- Engine Year2011-2016
- Property 65 WarningCALIFORNIA WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov
- Vehicle TypeTruck/SUV
- BrandFleece Performance
- Country of OriginUS
- Sold AsEach
- Warranty6 Month Limited Warranty
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.
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 TypeVehicle Specific
Year | Make | Model | Notes |
---|---|---|---|
2011 | Chevrolet | Silverado 3500 HD | |
2011 | Chevrolet | Silverado 2500 HD | |
2011 | GMC | Sierra 2500 HD | |
2011 | GMC | Sierra 3500 HD | |
2012 | Chevrolet | Silverado 3500 HD | |
2012 | Chevrolet | Silverado 2500 HD | |
2012 | GMC | Sierra 2500 HD | |
2012 | GMC | Sierra 3500 HD | |
2013 | Chevrolet | Silverado 3500 HD | |
2013 | Chevrolet | Silverado 2500 HD | |
2013 | GMC | Sierra 2500 HD | |
2013 | GMC | Sierra 3500 HD | |
2014 | Chevrolet | Silverado 3500 HD | |
2014 | Chevrolet | Silverado 2500 HD | |
2014 | GMC | Sierra 2500 HD | |
2014 | GMC | Sierra 3500 HD | |
2015 | Chevrolet | Silverado 3500 HD | |
2015 | Chevrolet | Silverado 2500 HD | |
2015 | GMC | Sierra 2500 HD | |
2015 | GMC | Sierra 3500 HD | |
2016 | Chevrolet | Silverado 3500 HD | |
2016 | Chevrolet | Silverado 2500 HD | |
2016 | GMC | Sierra 2500 HD | |
2016 | GMC | Sierra 3500 HD |