Wehrli Aluminum Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-FTB

Overview

The Wehrli Aluminum Coolant Tank Kit is a premium replacement for the factory coolant reservoir on 2013–2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. Designed to mount directly in the OEM coolant tank location, this kit upgrades your engine bay with a durable, powder-coated aluminum tank that combines functionality with a refined appearance. Ideal for diesel enthusiasts looking to enhance both the look and reliability of their cooling system, this tank offers improved durability over the stock plastic reservoir while maintaining full compatibility with stock and aftermarket setups.

Whether you are maintaining a stock truck or running larger compound turbochargers, this coolant tank provides the necessary clearance and robust construction to support your build without requiring any modifications.

Key Features

Engineered for durability and style, the Wehrli Aluminum Coolant Tank Kit includes several standout features:

• Fabricated from high-quality aluminum for superior strength and heat resistance
• Finished in a fine texture black powder coat for corrosion resistance and a sleek appearance
• Includes a black anodized CNC machined billet aluminum cap for a precision fit and enhanced durability
• Equipped with a clear sight glass for easy coolant level monitoring
• Uses OEM mounting points for a direct bolt-on installation with no modifications required
• Compatible with stock and drop-in turbochargers, as well as larger aftermarket and compound turbo setups
• Comes with mounting hardware, overflow hose, and a low coolant sensor to maintain factory functionality
• Designed to replace the factory clear plastic reservoir, improving engine bay aesthetics

Construction & Design

This coolant tank is expertly fabricated from lightweight yet durable aluminum, providing excellent resistance to heat and pressure compared to the OEM plastic reservoir. The fine texture black powder coat finish not only enhances corrosion resistance but also adds a refined, professional look to your engine bay. The inclusion of a CNC machined billet aluminum cap ensures a secure seal and long-lasting performance. The tank’s design incorporates a clear sight glass for quick visual checks of coolant levels without removing the cap, improving convenience and safety during routine maintenance.

Installation & Fitment

The Wehrli Aluminum Coolant Tank Kit is designed for a straightforward installation process using basic hand tools. It mounts directly in the OEM coolant tank location using existing factory mounting points, eliminating the need for drilling or modifications. This ensures a clean, factory-like fitment on 2013–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins diesel engine. The kit is fully compatible with stock cooling system components and turbocharger setups, including larger aftermarket and compound turbo configurations, providing additional clearance where needed.

What's Included

• Fabricated aluminum coolant tank with fine texture black powder coat finish
• Black anodized CNC machined billet aluminum cap
• Mounting hardware
• Overflow hose
• Low coolant sensor

Ideal For

This coolant tank kit is perfect for Ram 2500 and 3500 owners who want to upgrade their engine bay with a more durable and visually appealing coolant reservoir. It is especially suited for diesel enthusiasts running stock or upgraded turbocharger systems who require additional clearance and reliability. Whether you are restoring your truck’s appearance or preparing it for high-performance applications, this aluminum coolant tank offers a reliable and stylish solution.

Wehrli Custom Fabrication (WCFab) is a diesel performance and metal fabrication specialist building upgraded hard parts and engineered solutions for Duramax, Cummins, and Power Stroke trucks. Known for high-quality fabrication and truck-focused product development, WCFab supports everything from tow rigs to race-oriented diesel builds where durability, airflow, and heat management matter.