Omix Heater Core

Jeep Wrangler 07-18 3.8L/3.6L

17901.12

Overview:

The Omix Heater Core is a direct replacement part designed to restore the heating system performance in select Jeep Wrangler and Jeep Grand Cherokee models. Engineered to meet or exceed original equipment (OE) standards, this heater core ensures reliable warmth and comfort during colder driving conditions. Ideal for Jeep enthusiasts and off-road adventurers alike, it helps maintain the legendary durability and functionality of your vehicle’s HVAC system.

Whether you are repairing a leaking or clogged heater core or upgrading to a long-lasting OE-quality component, this Omix heater core offers a dependable solution that fits seamlessly into your Jeep’s existing setup.

Key Features:

Built for durability and ease of installation, the Omix heater core delivers consistent heating performance with the following features:

• OE quality replacement designed specifically for Jeep Wrangler JK/JKU (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Aluminum core and aluminum tanks for enhanced corrosion resistance and heat transfer
• Compact dimensions: 4-13/16 inches height, 10-7/16 inches width, and 1 inch thickness
• 5/8 inch outer diameter inlet and outlet tubes for precise fitment and fluid flow
• Direct fit design that requires no modifications for straightforward installation
• Replaces OE part number 68004193AB, ensuring compatibility and performance
• Backed by a limited 5-year warranty for peace of mind
• Maintains factory heating efficiency and cabin comfort

Construction & Design:

The Omix heater core features a robust aluminum construction that combines lightweight design with excellent thermal conductivity. Aluminum tanks and core provide superior resistance to corrosion compared to traditional copper or brass cores, extending the service life of the component. The precision-engineered inlet and outlet tubes ensure a secure connection to the vehicle’s coolant system, minimizing leaks and maximizing heat transfer efficiency.

Designed to meet OE specifications, this heater core delivers consistent heating performance while withstanding the rigors of daily driving and off-road conditions typical of Jeep ownership.

Installation & Fitment:

This heater core is engineered as a direct replacement for the specified Jeep models, allowing for a straightforward swap with the original unit. Installation requires no special tools or modifications, making it accessible for both professional mechanics and experienced DIY enthusiasts. Proper fitment ensures seamless integration with the vehicle’s existing HVAC system, restoring optimal heating functionality quickly and efficiently.

What's Included:

• One Omix heater core assembly
• Installation instructions (where applicable)

Ideal For:

This heater core is ideal for Jeep Wrangler and Grand Cherokee owners seeking a reliable, OE-quality replacement part to restore or maintain their vehicle’s heating system. It suits those repairing leaks, blockages, or degraded heating performance, as well as enthusiasts focused on preserving the authenticity and functionality of their Jeep’s HVAC components.

OMIX specializes in replacement and restoration parts for Jeep and Willys platforms, covering everything from body and electrical components to suspension and drivetrain hardware. It’s a go-to source for keeping older Jeeps on the road (and on the trail), especially when you need dependable fitment for repairs, rebuilds, or refresh projects.