Mishimoto Top Heater Hose Upgrade: Dodge Ram 2500 / Ram 3500 2007-2010 / 2011-2023

Mishimoto Top Heater Hose Upgrade

2007–2023 Dodge Ram 2500 / Ram 3500 6.7L Cummins

MMHOSE-RAM-07HU

Overview:

The Mishimoto Top Heater Hose Upgrade is a precision-engineered replacement designed specifically for Dodge Ram 2500 and Ram 3500 trucks equipped with the 6.7L Cummins engine from 2007.5 through 2024. This upgrade addresses a common issue found in factory heater hoses—the quick-disconnect fitting prone to coolant leaks. By eliminating the O-ring and replacing the quick-disconnect with a robust -10AN connection, this hose upgrade ensures a leak-free, reliable coolant flow for your engine’s heating system.

Ideal for Cummins enthusiasts and truck owners seeking enhanced cooling system durability, this Mishimoto upgrade provides peace of mind and improved performance. Its direct-fit design guarantees a seamless installation without the need for modifications, making it an essential upgrade for maintaining optimal engine temperature and preventing costly coolant leaks.

Key Features:

Engineered to improve reliability and longevity, the Mishimoto Top Heater Hose Upgrade offers several key benefits:

• Replaces the factory leak-prone quick-disconnect heater hose fitting with a durable O-ring-less -10AN connection
• Pre-installed thread sealant ensures a secure, leak-free connection right out of the box
• Constructed to withstand high temperatures and pressures typical of Cummins cooling systems
• Direct-fit design for Dodge Ram 2500 and 3500 models from 2007.5 to 2024, including multiple trims and configurations
• Improves coolant flow reliability, reducing the risk of overheating and coolant loss
• Backed by the Mishimoto Lifetime Warranty for long-term confidence

Construction & Design:

The Mishimoto Top Heater Hose Upgrade is crafted from high-quality materials engineered to endure the demanding conditions of heavy-duty diesel engines. The hose features reinforced construction to resist cracking, swelling, and deterioration over time. The innovative O-ring-less -10AN fitting eliminates the weak point found in factory quick-disconnects, providing a more robust and secure connection that maintains integrity under thermal cycling and vibration.

Attention to detail in manufacturing ensures a perfect fit and finish, matching OEM specifications while delivering enhanced durability. The pre-applied thread sealant further guarantees a leak-proof installation, minimizing maintenance and downtime.

Installation & Fitment:

Installation is straightforward and designed for a hassle-free upgrade. The Mishimoto Top Heater Hose Upgrade fits directly onto the factory coolant ports without requiring any modifications or additional adapters. This plug-and-play design allows for quick replacement of the original heater hose, saving time and effort during maintenance or cooling system upgrades.

This product is compatible with a wide range of Dodge Ram 2500 and Ram 3500 models equipped with the 6.7L Cummins engine, covering model years 2007.5 through 2024. It supports numerous trims including Laramie, SLT, ST, SXT, TRX, Big Horn, Limited, Longhorn, Lone Star, Outdoorsman, Rebel, and Tradesman, ensuring broad applicability for Ram owners.

What's Included:

• Mishimoto Top Heater Hose with integrated -10AN O-ring-less fitting
• Pre-installed thread sealant for leak-free connection
• Installation instructions

Ideal For:

This upgrade is perfect for Dodge Ram 2500 and 3500 owners who demand enhanced cooling system reliability, especially those who frequently tow, haul, or operate their trucks under heavy loads. Cummins enthusiasts looking to prevent common coolant leaks and improve the longevity of their engine’s heating system will find this product invaluable. It is also an excellent choice for anyone performing routine maintenance or cooling system upgrades on their 6.7L Cummins-powered Ram trucks.