Wehrli Aluminum Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-GW

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 offers a durable and visually appealing upgrade over the standard clear plastic tank. It is ideal for enthusiasts and professionals looking to enhance engine bay aesthetics while maintaining reliable cooling system performance.

Featuring a custom powder-coated fabricated aluminum tank in gloss white, this coolant reservoir not only improves the look of your engine compartment but also provides increased durability and heat resistance. The integrated sight glass allows for easy coolant level monitoring without removing the cap, adding convenience and functionality.

Key Features

This coolant tank kit combines thoughtful engineering with high-quality materials to deliver a superior replacement part. Key features include:

• Fabricated from lightweight, corrosion-resistant aluminum for long-lasting durability
• Custom gloss white powder-coated finish for enhanced engine bay appearance
• Clear sight glass for quick and accurate coolant level checks
• Black anodized CNC machined billet aluminum cap for a secure seal and premium look
• Direct bolt-on fitment using OEM mounting points—no modifications required
• Includes mounting hardware, overflow hose, and low coolant sensor for complete installation
• Compatible with stock and drop-in turbochargers
• Provides additional clearance for larger aftermarket and compound turbo setups
• Installs easily with basic hand tools

Construction & Design

The Wehrli coolant tank is expertly fabricated from high-grade aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The tank is powder coated in a durable gloss white finish that resists chipping and fading, ensuring a clean, professional look over time. The design incorporates a built-in sight glass, allowing for quick visual coolant level checks without the need to open the cap, reducing the risk of spills or contamination.

The included billet aluminum cap is precision CNC machined and anodized black, providing a secure, leak-free seal while adding a touch of refined craftsmanship. The tank mounts directly to the factory mounting points, preserving the integrity of the vehicle’s original design and simplifying installation.

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 replaces the factory plastic reservoir without requiring any modifications or additional parts. The kit uses all OEM mounting points and includes all necessary hardware, overflow hose, and low coolant sensor to ensure a complete and seamless swap.

Installation can be completed with basic hand tools, making it accessible for both professional mechanics and experienced DIY enthusiasts. The design also accommodates stock turbochargers as well as larger aftermarket and compound turbo setups by providing extra clearance in the engine bay.

What's Included

• Fabricated aluminum coolant tank with gloss white 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 durable, high-quality coolant reservoir that combines functionality with style. It is especially suited for those running stock or upgraded turbochargers who require additional clearance and a more robust cooling system component. Whether you are restoring your truck, preparing it for heavy-duty use, or simply seeking a cleaner engine bay appearance, this kit offers a reliable and attractive 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.