Wehrli Upper Coolant Pipe

2013–2015 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100867-BB

Overview

The Wehrli Upper Coolant Pipe is a premium 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 setup. This aluminum upper coolant pipe with an integrated Y-connector replaces the factory rubber hose and plastic connector assembly, which is prone to leaks and premature failure. By upgrading to this durable, powder-coated aluminum pipe, owners can improve the reliability and longevity of their truck’s cooling system, ensuring optimal engine temperature management under demanding conditions.

Ideal for Ram owners who demand enhanced durability and a clean, custom look, this coolant pipe is engineered to fit perfectly with OEM Ram dual radiators, maintaining factory-level performance and fitment without compromise.

Key Features

Designed to deliver superior performance and reliability, the Wehrli Upper Coolant Pipe offers the following key features:

• Constructed from high-quality aluminum for strength and corrosion resistance
• Integrated Y-connector replaces the failure-prone plastic OEM part
• Powder-coated finish available in Bengal Blue for enhanced durability and style
• Direct bolt-on replacement for OEM rubber upper coolant hose and connector
• Specifically engineered for use with factory dual radiator setups on Ram 2500/3500 trucks
• Eliminates common coolant leaks associated with original plastic connectors
• Compatible with MOPAR part numbers 52014722AD, 52014722AB, and 52014722AC
• Maintains proper coolant flow and system pressure for optimal engine cooling

Construction & Design

The Wehrli Upper Coolant Pipe is crafted from precision-machined aluminum, chosen for its excellent thermal conductivity and resistance to corrosion. This robust construction ensures long-lasting durability, even under the high heat and pressure conditions typical of heavy-duty diesel engines. The pipe features a powder-coated finish in Bengal Blue, providing an attractive appearance while protecting against environmental wear and abrasion.

The integrated Y-connector is engineered to replace the OEM plastic component, which is a known weak point prone to cracking and coolant leaks. By utilizing a one-piece aluminum design, Wehrli eliminates this common failure mode, enhancing the overall reliability of the cooling system.

Installation & Fitment

Installation of the Wehrli Upper Coolant Pipe is straightforward and designed to be a direct replacement for the factory rubber hose and plastic connector assembly. It is compatible exclusively with 2013–2015 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine and dual radiator configuration. No modifications are required when used with OEM Ram dual radiators, ensuring a hassle-free upgrade.

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

What's Included

• One aluminum upper coolant pipe with integrated Y-connector
• Powder-coated finish in Bengal Blue
• Installation hardware as required for direct OEM replacement

Ideal For

This upper coolant pipe is ideal for Ram 2500 and 3500 owners who want to eliminate coolant leaks caused by the factory plastic connector and rubber hose. It is perfect for those seeking a durable, long-lasting cooling system upgrade that maintains OEM fitment and performance. Additionally, the powder-coated Bengal Blue finish adds a custom touch for enthusiasts who appreciate both function and style under the hood.

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.