Wehrli Upper Coolant Pipe

2013–2015 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100867-BC

Overview

The Wehrli Upper Coolant Pipe with Y-Connector is a direct replacement part designed specifically for 2013 to 2015 Ram 2500 and 3500 heavy-duty trucks equipped with the 6.7L Cummins diesel engine and dual radiator cooling systems. This premium aluminum pipe replaces the factory rubber upper coolant hose and plastic connector, which are prone to leaks and premature failure. By upgrading to this durable, powder-coated aluminum pipe, owners can improve cooling system reliability and reduce the risk of coolant leaks that can lead to engine overheating and costly repairs.

Ideal for Ram owners who demand long-lasting performance and enhanced durability, this upper coolant pipe is engineered to fit perfectly with OEM dual radiator setups, ensuring seamless integration without modification. It is an excellent upgrade for those looking to maintain or restore their truck’s cooling efficiency with a high-quality, corrosion-resistant component.

Key Features

Engineered for reliability and durability, the Wehrli Upper Coolant Pipe offers the following key benefits:

• Constructed from lightweight, corrosion-resistant aluminum for long service life
• Includes a Y-connector designed specifically for dual radiator cooling systems
• Replaces factory rubber hose and plastic connector prone to leaks
• Powder-coated finish available in multiple colors for added corrosion protection and style
• Direct OEM fitment for 2013–2015 Ram 2500 and 3500 6.7L Cummins diesel trucks with dual radiators
• Compatible with OEM RAM dual radiator configurations to ensure proper fit and function
• Replaces MOPAR part numbers 52014722AD, 52014722AB, and 52014722AC
• Improves cooling system reliability by eliminating failure-prone plastic connectors

Construction & Design

This upper coolant pipe is precision-crafted from high-grade aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. The aluminum construction not only enhances durability compared to the original rubber and plastic components but also helps maintain optimal coolant flow under demanding conditions. The integrated Y-connector is engineered to match the exact specifications of the OEM dual radiator system, ensuring a secure and leak-free connection.

The entire assembly is finished with a durable powder coat, available in bronze chrome and other color options, providing additional protection against environmental elements and enhancing the engine bay’s appearance. The robust design and quality materials make this pipe a reliable upgrade for heavy-duty diesel trucks.

Installation & Fitment

Installation is straightforward with this direct-fit replacement part designed specifically for 2013–2015 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine and dual radiator cooling systems. It replaces the factory upper coolant hose and plastic Y-connector without the need for modifications or custom adjustments. However, it is important to note that this pipe is intended for use with OEM RAM dual radiators; aftermarket radiators with different inlet locations may cause fitment issues.

Professional installation is recommended to ensure proper sealing and coolant system integrity, but experienced DIY enthusiasts can complete the swap using basic hand tools and coolant system knowledge.

What's Included

• One aluminum upper coolant pipe with integrated Y-connector
• Powder-coated finish in selected color
• Installation hardware (if applicable)
• Detailed fitment and installation instructions

Ideal For

This upper coolant pipe is ideal for Ram 2500 and 3500 owners who want to upgrade their cooling system components for improved durability and leak resistance. It is especially suited for those experiencing coolant leaks from the factory rubber hose or plastic connector or anyone performing maintenance or cooling system upgrades on their 2013–2015 6.7L Cummins diesel trucks with dual radiators. Fleet operators, off-road enthusiasts, and diesel performance enthusiasts will appreciate the enhanced reliability and quality of this replacement part.

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.