Mishimoto Aluminum Coolant Y-Pipe

2013–2014 Ram 2500 / Ram 3500 6.7L Cummins

Part #: MMHOSE-RAM-13Y

Overview

The Mishimoto Aluminum Coolant Y-Pipe is a premium direct replacement for the fragile plastic Y-pipe found on 2013 to 2014 Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins diesel engine. This essential component connects the dual radiators, ensuring efficient coolant flow and maintaining optimal engine temperature under all driving conditions.

Designed for Ram owners who demand enhanced durability and reliability, the Mishimoto Y-pipe addresses the common issues of cracking and coolant leaks that plague the stock plastic version. Whether you use your truck for heavy towing, hauling, or daily driving, this upgrade provides peace of mind by improving the cooling system’s integrity and longevity.

Key Features

Engineered to deliver superior strength and leak resistance, the Mishimoto Aluminum Coolant Y-Pipe offers the following advantages:

• Constructed from CNC-machined cast aluminum for enhanced durability and long service life
• Precision TIG welded to ensure a leak-free, robust assembly capable of withstanding heavy-duty use
• Pressure tested to guarantee coolant retention and maintain system integrity under high pressure
• Clear anodized finish provides corrosion resistance and a sleek, polished appearance
• Includes three high-strength T-bolt clamps for secure, hassle-free installation and a tight seal
• Direct replacement for the stock plastic Y-pipe prone to cracking and failure
• Compatible with both upper and lower radiator connections for complete fitment
• Backed by the Mishimoto Lifetime Warranty for reliable, long-term performance

Construction & Design

The Mishimoto Y-pipe is crafted from premium cast aluminum, selected for its excellent heat dissipation properties and resistance to cracking under thermal stress. Each unit undergoes precise CNC machining to ensure an exact fit and smooth internal surfaces that promote efficient coolant flow throughout the cooling system.

Assembly utilizes advanced TIG welding techniques to create a strong, durable bond capable of withstanding the pressures and vibrations typical in heavy-duty truck applications. The clear anodized finish not only protects against corrosion but also enhances the under-hood appearance with a refined metallic sheen.

This robust construction significantly improves cooling system reliability compared to the original plastic component, which can become brittle and fail over time, especially under demanding conditions.

Installation & Fitment

The Mishimoto Aluminum Coolant Y-Pipe is designed as a direct bolt-on replacement for 2013 to 2014 Ram 2500 and Ram 3500 models equipped with the 6.7L Cummins engine. Compatible trims include Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, ST, and Tradesman.

Installation requires no modifications and includes all necessary hardware for a secure fit. The included T-bolt clamps simplify the installation process, ensuring a tight, leak-free seal. This upgrade is suitable for both professional mechanics and experienced DIY enthusiasts seeking a reliable cooling system upgrade.

What's Included

• One Mishimoto Aluminum Coolant Y-Pipe
• Three high-strength T-bolt clamps
• Installation instructions

Ideal For

This aluminum Y-pipe is ideal for Ram 2500 and 3500 owners who want to replace the stock plastic Y-pipe with a more durable and reliable component. It is especially beneficial for trucks used in towing, hauling, or off-road driving where maintaining cooling system integrity is critical. Additionally, it suits enthusiasts looking to prevent common coolant leaks and maintain optimal engine temperatures under demanding conditions.

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.