CFR Performance Aluminum Mopar Gen 3 Straight Thermostat Housing

2004–2021 Dodge / Jeep / Ram / Chrysler 5.7L, 6.1L, 6.4L HEMI Engines

Part #: HZ-6150-POL

Overview

The CFR Performance Aluminum Mopar Gen 3 Straight Thermostat Housing is a precision-engineered cooling component designed specifically for Mopar Gen III HEMI engines from 2004 to 2021. Compatible with a wide range of Dodge, Jeep, Ram, and Chrysler vehicles equipped with 5.7L, 6.1L, and 6.4L HEMI engines, this thermostat housing offers a polished aluminum upgrade that enhances both engine bay aesthetics and cooling system efficiency.

Ideal for enthusiasts, custom builders, and performance tuners, this housing features a straight water neck design that simplifies radiator hose routing, especially in tight or modified engine compartments. Whether restoring a classic muscle car or upgrading a high-performance build, this thermostat housing delivers durability, style, and reliable cooling performance.

Key Features

Designed to meet the demands of Mopar Gen III HEMI engines, the CFR Performance thermostat housing offers the following benefits:

• Fits 2004–2021 Mopar Gen III HEMI 5.7L, 6.1L, and 6.4L engines
• Compatible with Dodge Charger, Challenger, Durango; Jeep Grand Cherokee, Wrangler, Wagoneer; Ram 1500/2500/3500; Chrysler 300 models
• Straight-style water neck for clean, efficient radiator hose routing
• CNC-machined from high-quality aluminum for strength and heat resistance
• Bright polished aluminum finish resists corrosion and enhances engine bay appearance
• Accepts standard 1-3/4" radiator hoses for easy integration
• Includes two mounting bolts for quick, secure installation
• Ideal for custom swaps, performance cooling upgrades, and limited-space engine configurations

Construction & Design

This thermostat housing is crafted from premium aluminum using CNC machining to ensure precise fitment and superior durability. The polished finish not only adds a show-quality shine but also provides a protective barrier against corrosion and heat commonly encountered in high-performance engine environments. The straight water neck design is engineered to reduce hose stress and improve coolant flow efficiency, making it especially beneficial for custom or modified engine setups where space and hose routing are critical.

Installation & Fitment

Installation is straightforward with the included mounting bolts, allowing for a direct bolt-on upgrade without the need for extensive modifications. This thermostat housing fits Mopar Gen III HEMI engines from 2004 through 2021, covering a broad range of Dodge, Jeep, Ram, and Chrysler models. Before installation, verify radiator hose size and clearance, particularly in custom or swapped applications, to ensure proper fitment and avoid interference.

What's Included

• One polished aluminum straight thermostat housing
• Two mounting bolts

Ideal For

• Mopar enthusiasts seeking a polished, durable upgrade for Gen III HEMI engine bays
• Custom builders and performance tuners requiring precise hose alignment and reliable cooling components
• Owners of Dodge Charger, Challenger, Durango; Jeep Grand Cherokee, Wrangler, Wagoneer; Ram 1500/2500/3500; and Chrysler 300 models with 5.7L, 6.1L, or 6.4L HEMI engines
• Anyone upgrading or replacing the thermostat housing to improve cooling system reliability and engine bay aesthetics

CFR Performance is a major automotive supplier and distributor of car and truck accessories. We are a part of a family owned and operated tradition of automotive Excellency, which dates back to the late 1970's. Since then we have put together some new and innovative products for our customers. At CFR, we use our long tradition of wisdom in automotive business and customer satisfaction to provide you with superior quality and cost effective products.