Wehrli Aluminum Coolant Tank Kit

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100628-DG

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, offering enhanced durability, improved aesthetics, and superior heat dissipation. Ideal for diesel enthusiasts and professionals seeking a reliable and visually appealing engine bay upgrade, this kit maintains OEM mounting locations for a seamless fit without requiring modifications.

Engineered to withstand the rigors of heavy-duty use, the tank features a powder-coated finish in Deore Gold that adds a custom touch while resisting corrosion and wear. Its integrated sight glass allows for quick and easy coolant level monitoring, enhancing maintenance convenience.

Key Features

Designed with both form and function in mind, the Wehrli Aluminum Coolant Tank Kit offers the following key features:

• Fabricated from high-quality aluminum for superior strength and heat dissipation
• Custom powder-coated finish in Deore Gold for corrosion resistance and engine bay enhancement
• Clear sight glass for accurate and convenient coolant level monitoring
• Includes black anodized CNC machined billet aluminum cap for a precision fit and stylish appearance
• Utilizes OEM mounting points for direct bolt-on installation with no modifications
• Compatible with stock and drop-in turbochargers, as well as larger aftermarket and compound turbo setups
• Comes complete with mounting hardware, overflow hose, and low coolant sensor for a comprehensive upgrade
• Powder coating ensures long-lasting finish and protection against harsh engine bay conditions

Construction & Design

The coolant tank is expertly fabricated from lightweight yet durable aluminum, chosen for its excellent thermal conductivity and resistance to cracking or warping under extreme temperatures. The powder-coated Deore Gold finish not only provides a striking visual upgrade but also protects the tank from corrosion and environmental damage common in diesel engine compartments.

The inclusion of a black anodized CNC machined billet aluminum cap adds a refined touch, ensuring a secure seal and complementing the overall premium build quality. The tank’s design incorporates a clear sight glass, allowing for quick visual coolant level checks without removing the cap, enhancing both safety and convenience.

Installation & Fitment

Installation is straightforward and user-friendly, requiring only basic hand tools. The tank mounts directly in the OEM coolant reservoir location using factory mounting points, eliminating the need for drilling or additional modifications. This ensures a clean, professional installation that maintains the integrity of the vehicle’s original design.

Designed to fit stock 2013–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins diesel engine, the kit is fully compatible with factory turbochargers and provides additional clearance for larger aftermarket or compound turbocharger setups, making it a versatile choice for a wide range of performance applications.

What's Included

• Fabricated aluminum coolant tank with powder-coated Deore Gold finish
• Black anodized CNC machined billet aluminum cap
• Mounting hardware for OEM fitment
• Overflow hose
• Low coolant sensor

Ideal For

This coolant tank kit is ideal for Ram 2500 and 3500 owners who want to upgrade their engine bay aesthetics while improving durability and functionality. It suits diesel performance enthusiasts, fleet operators, and anyone running stock or upgraded turbocharger setups who demands a reliable, high-quality coolant reservoir that complements their vehicle’s performance and appearance.

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.