Wehrli Aluminum Upper Coolant Pipe

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100517-CR

Overview

The Wehrli Aluminum Upper Coolant Pipe is a direct replacement for the OEM rubber upper coolant hose on 2013 to 2018 Ram 2500 and 3500 Heavy Duty trucks equipped with the 6.7L Cummins diesel engine. Designed to improve durability and reliability, this aluminum pipe replaces the factory rubber hose that connects to the radiator inlet. It is an ideal upgrade for diesel truck owners seeking enhanced cooling system performance and a cleaner, more robust engine bay appearance.

Finished in a vibrant candy red powder coat, this upper coolant pipe not only offers superior strength but also adds a custom look under the hood. It is engineered for use with the OEM Ram radiator to ensure proper fitment and function, making it a perfect choice for those maintaining factory cooling system specifications.

Key Features

Engineered for durability and style, the Wehrli Aluminum Upper Coolant Pipe offers the following benefits:

• Direct replacement for OEM rubber upper coolant hose
• Compatible with 2013–2018 Ram 2500 and 3500 6.7L Cummins diesel engines
• Powder coated in candy red for corrosion resistance and enhanced aesthetics
• Constructed from lightweight, high-quality aluminum for improved heat dissipation
• Maintains factory radiator inlet fitment for hassle-free installation
• Replaces multiple MOPAR part numbers including 68166469AC, 68166469AA, and others
• Resistant to cracking, swelling, and deterioration common with rubber hoses
• Improves engine bay appearance with a clean, custom look

Construction & Design

This upper coolant pipe is crafted from premium aluminum, chosen for its excellent thermal conductivity and strength-to-weight ratio. The aluminum construction helps dissipate heat more efficiently than rubber hoses, contributing to better cooling system performance. The pipe is precision-engineered to match OEM dimensions, ensuring a perfect fit with the factory radiator inlet without the need for modifications.

The candy red powder coat finish provides a durable protective layer that resists corrosion, chipping, and fading, even under harsh engine bay conditions. This finish not only enhances longevity but also adds a vibrant, eye-catching accent to your engine compartment.

Installation & Fitment

Installation is straightforward and designed to be a direct swap with the factory rubber upper coolant hose. No special tools or modifications are required when used with the OEM Ram radiator. It is important to note that aftermarket radiators with different inlet locations may cause fitment issues. Always verify radiator compatibility before installation to ensure proper alignment and sealing.

This part is specifically designed for 2013 through 2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine, making it a reliable upgrade for these models.

What's Included

• One Wehrli Aluminum Upper Coolant Pipe in candy red powder coat finish
• All necessary clamps and mounting hardware for installation
• Installation instructions

Ideal For

This aluminum upper coolant pipe is ideal for Ram 2500 and 3500 diesel truck owners who want to replace their aging or damaged OEM rubber hoses with a more durable, heat-resistant solution. It is perfect for enthusiasts looking to enhance engine bay aesthetics while maintaining factory cooling system performance. Additionally, it suits those who demand long-lasting reliability and improved cooling efficiency in their heavy-duty diesel trucks.

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.