Wehrli Aluminum Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-BB

Overview

The Wehrli Aluminum Coolant Tank Kit is a premium upgrade designed specifically for 2013 to 2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. This fabricated aluminum coolant reservoir replaces the factory clear plastic tank, enhancing both the durability and appearance of your engine bay. Ideal for diesel enthusiasts and truck owners looking to improve engine bay aesthetics while maintaining reliable cooling system performance.

Engineered to fit perfectly in the OEM coolant tank location, this kit offers a sleek Bengal Blue powder-coated finish that resists corrosion and adds a custom look. It is compatible with stock turbochargers as well as larger aftermarket and compound turbo setups, providing additional clearance where needed.

Key Features

This coolant tank kit combines functionality with style, offering several key benefits for your Ram diesel truck:

• Fabricated from high-quality aluminum for superior strength and heat resistance
• Custom powder-coated Bengal Blue finish for corrosion protection and enhanced engine bay appearance
• Includes a clear sight glass for easy coolant level monitoring without removing the cap
• Black anodized CNC machined billet aluminum cap for a precision fit and durable finish
• Mounts directly in the OEM coolant tank location using factory mounting points
• Compatible with stock and drop-in turbochargers, plus provides extra clearance for larger aftermarket turbos
• Includes mounting hardware, overflow hose, and low coolant sensor for a complete installation
• Designed for a direct bolt-on installation with basic hand tools—no modifications required

Construction & Design

The Wehrli coolant tank is expertly fabricated from lightweight yet robust aluminum, ensuring long-lasting durability under the demanding conditions of diesel engine operation. The powder-coated Bengal Blue finish not only adds a striking visual upgrade but also protects the tank from corrosion and environmental damage. The inclusion of a clear sight glass allows for quick visual checks of coolant levels, improving maintenance convenience.

The billet aluminum cap is CNC machined and anodized black, providing a secure seal and a refined aesthetic that complements the tank’s finish. Designed to fit precisely in the OEM mounting location, the tank uses factory mounting points to guarantee a secure and vibration-resistant fitment.

Installation & Fitment

This coolant tank kit is engineered for a straightforward installation on 2013–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins diesel engine. It installs using the existing OEM mounting points and requires only basic hand tools, making it accessible for DIY enthusiasts and professional installers alike. No additional modifications or alterations to the vehicle’s cooling system or turbocharger setup are necessary.

Its design also accommodates stock turbochargers and drop-in replacements, while providing extra clearance for larger aftermarket or compound turbocharger configurations, ensuring compatibility with a wide range of performance upgrades.

What's Included

• Fabricated aluminum coolant tank with Bengal Blue powder coat finish
• Black anodized CNC machined billet aluminum cap
• Mounting hardware for OEM installation
• 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 aesthetics while maintaining or improving cooling system reliability. It is especially suited for diesel enthusiasts running stock or upgraded turbochargers who require additional clearance and a durable, corrosion-resistant coolant reservoir. Whether you are restoring your truck’s engine bay or preparing it for performance modifications, this kit offers a practical and visually appealing 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.