Wehrli Aluminum Upper Coolant Pipe

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100517-CRO

Overview

The Wehrli Aluminum Upper Coolant Pipe is a premium replacement part designed specifically for 2013 to 2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. This component replaces the factory rubber upper coolant hose that connects to the radiator inlet, providing a durable and reliable upgrade for your truck’s cooling system. Ideal for diesel truck owners seeking enhanced durability and a clean, custom look, this aluminum pipe helps maintain optimal engine temperatures under demanding conditions.

Powder coated in a vibrant Chevy Orange finish, this upper coolant pipe not only improves longevity compared to OEM rubber hoses but also adds a touch of style to your engine bay. It is engineered for use with the original equipment manufacturer (OEM) RAM radiator, ensuring precise fitment and reliable performance.

Key Features

Designed to meet the needs of diesel truck enthusiasts and professionals, the Wehrli Aluminum Upper Coolant Pipe offers several key benefits:

• Direct replacement for OEM rubber upper coolant hose on Ram 2500/3500 6.7L diesel trucks (2013–2018)
• Constructed from high-quality aluminum for superior strength and heat resistance
• Powder coated in Chevy Orange for corrosion protection and a distinctive appearance
• Compatible with OEM RAM radiators to ensure proper fit and function
• Replaces multiple MOPAR part numbers including 68166469AC, 68166469AA, 68166469AB, and others
• Improves cooling system reliability by eliminating the wear-prone rubber hose
• Precision engineered to maintain factory inlet dimensions for seamless installation
• Resistant to cracking, swelling, and degradation common in rubber hoses over time

Construction & Design

This upper coolant pipe is crafted from lightweight yet robust aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The aluminum construction ensures the pipe can withstand the high temperatures and pressures typical of diesel engine cooling systems without deforming or failing. The powder-coated finish in Chevy Orange not only enhances corrosion resistance but also provides a visually striking upgrade that stands out in the engine compartment.

The design closely follows OEM specifications to guarantee compatibility with factory radiators and mounting points. This precision engineering minimizes the risk of leaks and fitment issues, delivering a reliable and long-lasting cooling system component.

Installation & Fitment

Installation of the Wehrli Aluminum Upper Coolant Pipe is straightforward and designed to be a direct bolt-on replacement for the factory rubber hose. It fits 2013 through 2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine and OEM RAM radiators. No modifications are typically required, making it an ideal upgrade for both professional mechanics and DIY enthusiasts.

Note that aftermarket radiators with inlet locations differing from factory specifications may cause fitment issues. It is recommended to verify radiator compatibility before installation to ensure proper fit.

What's Included

• One Wehrli Aluminum Upper Coolant Pipe, powder coated Chevy Orange
• Installation hardware as required for direct replacement
• Detailed installation instructions

Ideal For

This aluminum upper coolant pipe is perfect for Ram 2500 and 3500 owners who want to upgrade their cooling system with a more durable and visually appealing component. It is especially suited for those who frequently tow, haul heavy loads, or operate their trucks in demanding environments where OEM rubber hoses may fail prematurely. Additionally, enthusiasts looking to customize their engine bay with high-quality, color-matched parts will appreciate the Chevy Orange finish.

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.