Wehrli Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-RED

Overview

The Wehrli Coolant Tank Kit is a premium replacement coolant reservoir designed specifically for 2013 to 2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. This fabricated aluminum coolant tank offers a durable and visually appealing upgrade over the factory clear plastic reservoir, enhancing both the appearance and functionality 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 requires no modifications to your stock truck. It is compatible with stock turbochargers as well as larger aftermarket and compound turbo setups, providing additional clearance where needed. The inclusion of a sight glass allows for easy coolant level monitoring, combining practicality with style.

Key Features

This coolant tank kit integrates advanced design and quality materials to deliver superior performance and durability. Key features include:

• Fabricated from high-quality aluminum for enhanced strength and heat dissipation
• Custom powder-coated finish in vibrant red for a striking engine bay upgrade
• Clear sight glass for quick and accurate coolant level checks
• Black anodized CNC machined billet aluminum cap for a premium look and secure seal
• Mounts directly to OEM mounting points with no drilling or modifications required
• Includes mounting hardware, overflow hose, and low coolant sensor for complete installation
• Compatible with stock and drop-in turbochargers, plus provides extra clearance for larger aftermarket turbo systems
• Designed to withstand the rigors of diesel engine heat and vibration

Construction & Design

The Wehrli Coolant Tank Kit is expertly crafted from fabricated aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The tank’s powder-coated red finish not only adds a bold visual statement but also protects the metal from environmental damage and wear. The billet aluminum cap is CNC machined and anodized black, ensuring a precise fit and long-lasting durability. The tank’s design incorporates a sight glass window, allowing for easy visual inspection of coolant levels without removing the cap.

Engineered to fit seamlessly into the OEM coolant tank location, this kit uses the factory mounting points to ensure a secure and vibration-resistant installation. The design also accounts for the space requirements of larger aftermarket turbochargers, making it a versatile choice for performance builds.

Installation & Fitment

Installation of the Wehrli Coolant Tank Kit is straightforward and user-friendly. It mounts directly to the stock coolant reservoir location using existing OEM mounting points, requiring only basic hand tools. No cutting, drilling, or additional modifications are necessary, making it an ideal upgrade for both professional installers and DIY enthusiasts.

This kit is specifically designed to fit 2013–2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. It is compatible with stock turbochargers and drop-in replacements, as well as larger aftermarket and compound turbo setups, providing additional clearance where needed.

What's Included

• Fabricated aluminum coolant tank with powder-coated red 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 appearance 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 more durable coolant reservoir. Whether you are restoring your truck, building a performance rig, or simply seeking a cleaner engine bay look, this kit offers a high-quality 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.