Wehrli Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-GB

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. It mounts directly in the OEM coolant tank location, ensuring a seamless fit without the need for modifications. Ideal for diesel enthusiasts looking to enhance engine bay aesthetics while maintaining reliable cooling system performance.

Engineered to withstand the rigors of daily driving and heavy-duty use, this coolant tank kit combines functionality with style. It is compatible with stock turbochargers as well as larger aftermarket and compound turbo setups, providing additional clearance where needed. The integrated sight glass allows for quick coolant level checks, improving convenience and maintenance efficiency.

Key Features

This coolant tank kit offers a range of features designed to improve both form and function for your Ram diesel truck:

• Fabricated from high-quality aluminum for superior strength and durability
• Custom powder-coated gloss black finish for a sleek, corrosion-resistant appearance
• Includes a black anodized CNC machined billet aluminum cap for a refined look and secure seal
• Clear sight glass integrated into the tank for easy coolant level monitoring
• Mounts using OEM mounting points with no modifications required
• Compatible with stock and drop-in turbochargers, plus larger aftermarket and compound turbo systems
• Includes all necessary mounting hardware, overflow hose, and low coolant sensor
• Designed to fit perfectly in the factory coolant tank location for a clean engine bay upgrade
• Installation requires only basic hand tools, making it accessible for most DIY enthusiasts

Construction & Design

The Wehrli Coolant Tank Kit is expertly crafted from fabricated aluminum, chosen for its lightweight yet robust properties. The aluminum construction ensures excellent resistance to heat and corrosion, which is critical in the demanding environment of a diesel engine bay. The tank is finished with a durable gloss black powder coat that not only enhances visual appeal but also provides long-lasting protection against the elements.

The billet aluminum cap is CNC machined and anodized black, delivering precise fitment and a premium finish. The inclusion of a sight glass allows for quick visual coolant level checks without the need to open the cap, improving safety and convenience. Every detail of this coolant tank kit is engineered to meet the high standards expected by diesel truck owners and performance enthusiasts.

Installation & Fitment

This coolant tank kit is designed for direct replacement of the factory coolant reservoir on 2013–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins diesel engine. It installs using the original equipment manufacturer (OEM) mounting points, requiring no drilling, cutting, or other modifications. Installation can be completed with basic hand tools, making it a straightforward upgrade for both professional mechanics and experienced DIYers.

The tank’s design also accommodates stock turbochargers and drop-in replacements, while providing additional clearance for larger aftermarket and compound turbocharger setups. This ensures compatibility with a wide range of performance modifications without compromising fitment or function.

What's Included

• Fabricated aluminum coolant tank with gloss black powder coat finish
• Black anodized CNC machined billet aluminum cap
• Mounting hardware for OEM installation
• Overflow hose
• Low coolant sensor

Ideal For

The Wehrli Coolant Tank Kit is perfect for Ram 2500 and 3500 owners who want to upgrade their engine bay with a durable, high-quality coolant reservoir. It is especially suited for diesel enthusiasts who run stock or upgraded turbochargers and require additional clearance for larger setups. This kit is also ideal for those seeking a clean, professional appearance combined with reliable cooling system performance and easy maintenance.

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.