2001-2016 GM/CHEVROLET 6.6L DURAMAX NEW ENGINE OIL COOLER KIT
This brand-new engine oil cooler kit is engineered to maintain optimal oil temperatures for 2001–2016 GM/Chevrolet 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML platforms. Over time, factory oil coolers can become clogged or internally corroded, leading to excessive engine oil temperatures and reduced engine performance. This direct replacement kit restores factory performance, protects engine longevity, and is manufactured to meet or exceed OEM specifications.
The precision-machined aluminum cooler efficiently dissipates heat from engine oil, especially under high-load and towing conditions. Whether you’re maintaining a workhorse fleet truck or restoring a daily driver, this kit is a critical component for engine reliability.
What’s Included in the Kit:
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(1) Brand-New Engine Oil Cooler
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(1) Oil Cooler Gasket
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(1) Oil Cooler Adapter Gasket
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(1) Set of Mounting Hardware
Key Benefits:
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Maintains safe engine oil temperatures under load
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Helps prevent oil breakdown and thermal stress
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Restores original cooling performance in aging Duramax engines
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Direct-fit replacement for factory-installed cooler
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Precision-machined aluminum construction for durability
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Reduces risk of engine wear due to high oil temps
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Perfect for towing, hauling, and high-output driving conditions
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Includes all gaskets and hardware for hassle-free installation
Vehicle Compatibility:
Make: Chevrolet / GMC
Engine: 6.6L Duramax Diesel
Years and Models:
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2001–2004 Chevrolet Silverado 2500HD / 3500 (LB7)
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2004.5–2005 Chevrolet Silverado 2500HD / 3500 (LLY)
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2006–2007 Chevrolet Silverado 2500HD / 3500 (LBZ)
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2007.5–2010 Chevrolet Silverado 2500HD / 3500 (LMM)
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2011–2016 Chevrolet Silverado 2500HD / 3500 (LML)
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2001–2004 GMC Sierra 2500HD / 3500 (LB7)
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2004.5–2005 GMC Sierra 2500HD / 3500 (LLY)
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2006–2007 GMC Sierra 2500HD / 3500 (LBZ)
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2007.5–2010 GMC Sierra 2500HD / 3500 (LMM)
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2011–2016 GMC Sierra 2500HD / 3500 (LML)
Designed to combat overheating and ensure long-term performance, this oil cooler kit is a direct solution for worn or failing factory components. Precision fitment, improved oil regulation, and dependable construction make it a must-have for keeping your Duramax engine protected during high-stress driving or heavy-duty hauling.
Shipping Disclaimer:
✔️ We ship via USPS, UPS, and FedEx.
✔️ Carrier selection is based on package size, weight, and destination.
✔️ Expedited shipping options are available at checkout.
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
