Mishimoto Coolant Filter Kit

2012–2018 Jeep Wrangler JK 3.6L V6

Part #: MMCFK-JK-12BK

Overview

The Mishimoto Coolant Filter Kit is a crucial upgrade engineered specifically for the 2012–2018 Jeep Wrangler JK models equipped with the 3.6L V6 engine. This filtration system combats a common issue faced by Wrangler JK owners: contamination and clogging within the cooling system caused by factory casting sand and engine wear debris. By effectively filtering out harmful solids from the coolant, it prevents blockages in vital components such as the radiator and heater core, ensuring consistent engine cooling and reducing the risk of costly repairs.

Designed for Jeep enthusiasts who demand reliability and durability, this direct-fit kit enhances the longevity of your cooling system whether you’re tackling daily commutes or challenging off-road trails. Backed by Mishimoto’s lifetime warranty, it offers peace of mind and a smart investment in your Wrangler’s performance and dependability.

Key Features

This coolant filtration kit combines advanced filtration technology with durable construction to safeguard your Jeep’s cooling system:

• Direct-fit design tailored exclusively for 2012–2018 Jeep Wrangler JK 3.6L engines
• High-quality Wix filter element captures particles as small as 27 microns to prevent clogging
• Durable silicone hoses engineered for precise fitment and superior heat resistance
• Heavy-duty 4mm-thick steel mounting bracket ensures secure installation on both street and trail
• Ball valves included for convenient coolant flow control and easy maintenance
• Helps extend the lifespan of radiator, heater core, and other cooling components
• Sleek black finish complements the engine bay with a professional appearance
• Lifetime warranty from Mishimoto guarantees lasting quality and support

Construction & Design

The Mishimoto Coolant Filtration Kit is engineered with premium materials and precision craftsmanship. The Wix filter element is designed to trap microscopic debris that can damage your cooling system, ensuring cleaner coolant circulation. Silicone hoses replace factory rubber lines, offering enhanced flexibility, durability, and resistance to heat and aging.

A robust steel mounting bracket, 4mm thick, provides a secure and vibration-resistant foundation for the filter assembly, ideal for the rigors of off-road driving. The entire system is finished in black powder coat to resist corrosion and maintain a clean, professional look under the hood.

Installation & Fitment

Installation is straightforward and can typically be completed in under an hour using basic hand tools. This kit is a direct fit for all 2012–2018 Jeep Wrangler JK 3.6L models, including Sport, Sahara, Rubicon, Moab, and 75th Anniversary editions in both two-door and Unlimited configurations. No modifications or special adapters are required, making it accessible for both DIY enthusiasts and professional installers.

What's Included

• Wix coolant filter element
• Direct-fit silicone hoses
• 4mm-thick steel mounting bracket
• Ball valves for coolant flow control
• All necessary clamps and hardware for installation

Ideal For

This coolant filtration kit is ideal for Jeep Wrangler JK owners who want to protect their cooling system from premature failure caused by debris and contaminants. It is especially beneficial for those who frequently drive in harsh environments, off-road conditions, or have experienced repeated cooling system issues. By maintaining clean coolant flow, this kit helps ensure reliable engine operation and reduces maintenance costs over time.

Fitment Summary

• Jeep Wrangler 75th Anniversary 2016
• Jeep Wrangler Rubicon 2012–2018
• Jeep Wrangler Sahara 2012–2017
• Jeep Wrangler Sport 2012–2018
• Jeep Wrangler Sport S 2016, 2018
• Jeep Wrangler Unlimited 75th Anniversary 2016
• Jeep Wrangler Unlimited Moab 2018
• Jeep Wrangler Unlimited Rubicon 2012–2018
• Jeep Wrangler Unlimited Sahara 2012–2018
• Jeep Wrangler Unlimited Sport 2012–2018
• Jeep Wrangler Unlimited Sport S 2016, 2018
• Jeep Wrangler JK Rubicon 2018
• Jeep Wrangler JK Sahara 2018
• Jeep Wrangler JK Sport 2018
• Jeep Wrangler JK Sport S 2018
• Jeep Wrangler JK Unlimited Rubicon 2018
• Jeep Wrangler JK Unlimited Sahara 2018
• Jeep Wrangler JK Unlimited Sport 2018

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.