Wehrli 100647 OEM Placement Coolant Tank Kit | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Features:

• Fits 2011-2016 6.6L Duramax LML engines
• Mounts in factory coolant tank location
• Fabricated aluminum tank with powder coating
• Replaces OEM plastic reservoir for clean appearance
• Includes black anodized billet aluminum cap
• Coolant level sight glass for easy monitoring
• Low coolant sensor included for added safety
• Comes with overflow hose and install hardware
• Uses OEM mounting points with no modifications
• Installs easily using basic hand tools
• Improves engine bay aesthetics and functionality

Clean Up Your Engine Bay With Durable Style

If you're looking to ditch the faded, brittle plastic coolant tank on your 2011-2016 Duramax, the Wehrli OEM Placement Coolant Tank Kit offers the perfect blend of function and style. This aluminum tank gives your engine bay a clean, high-end look while providing the strength and reliability you want under the hood. Powder coated and precision fabricated, it’s built to handle heat and pressure without breaking down over time like the factory plastic reservoir. With a black anodized billet cap and integrated sight glass, it’s as useful as it is good-looking. The kit includes a low coolant sensor, overflow hose, and all the hardware needed for a quick install. Best of all, it bolts right into the stock location using OEM mounting points, no custom work, no hassle. It’s an easy way to upgrade both the form and function of your truck with one smart move.

Built For Seamless Fitment And Long Term Reliability

The Wehrli 100647 Coolant Tank Kit is a direct replacement for the OEM reservoir on 2011-2016 GM Silverado and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax LML engine. This kit includes a fabricated aluminum coolant tank finished in a durable powder coat that resists corrosion and discoloration over time. Designed to mount in the exact location as the stock tank, it utilizes OEM mounting points and installs with basic hand tools, making it a simple upgrade for any DIYer or shop. A low coolant level sensor comes pre-installed for plug-and-play functionality, and a built-in sight glass provides a clear visual reference for coolant level at a glance. The billet black anodized aluminum cap adds both style and durability to the system, ensuring a tight seal under pressure. Also included are the overflow hose and all necessary mounting hardware. This tank not only enhances the reliability of your cooling system but also contributes to a cleaner, more polished engine bay.

Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Designed for 2011-2016 Duramax LML engine applications
• Mounts in the OEM coolant tank location
• No modifications required for installation
• Utilizes factory mounting points for direct fit
• Fabricated aluminum tank replaces factory plastic reservoir
• Powder coated for durability and corrosion resistance
• Includes billet black anodized CNC machined aluminum cap
• Features integrated sight glass for quick coolant level checks
• Low coolant level sensor included in the kit
• Overflow hose and installation hardware included
• Installs easily with standard hand tools