aFe BladeRunner GT Engine Coolant Expansion Tank

2015–2024 Dodge Challenger / Charger / Chrysler 300 6.2L Hellcat / 6.4L 392

Part #: 46-51001

Overview

The aFe BladeRunner GT Engine Coolant Expansion Tank is a premium replacement for the factory coolant reservoir in Dodge Challenger, Dodge Charger, and Chrysler 300 models equipped with the 6.2L Hellcat or 6.4L 392 HEMI engines from 2015 through 2024. Designed to enhance both reliability and aesthetics, this expansion tank addresses the common issues associated with stock plastic tanks, such as yellowing, brittleness, and potential leaks over time.

Built for enthusiasts who demand durability and a clean engine bay appearance, the BladeRunner GT tank offers a significant upgrade in material quality and capacity, ensuring your cooling system performs optimally under all driving conditions.

Key Features

The BladeRunner GT Expansion Tank combines robust construction with thoughtful design elements to deliver superior performance and style:

• Constructed from 1/8" thick billet aluminum plates for enhanced strength and longevity
• 100% TIG-welded seams provide exceptional durability and a smooth, high-quality finish
• Brushed aluminum finish with laser-etched aFe POWER logo for a sleek, custom look
• 15% increased coolant capacity compared to the factory tank for improved cooling efficiency
• Includes a stainless steel sight tube with high-temperature fittings for easy fluid level monitoring
• Compatible with the factory expansion tank cap for seamless integration
• Billet aluminum fittings eliminate weak points and ensure leak-free connections
• Direct bolt-in replacement using all factory mounting points and connections

Construction & Design

The BladeRunner GT tank is expertly crafted from thick billet aluminum plates, offering superior resistance to heat, pressure, and wear compared to the OEM plastic tanks. The entire assembly is precision TIG-welded, ensuring structural integrity and a refined appearance. The brushed finish not only resists corrosion but also adds a sophisticated touch to your engine bay, making it ideal for those who value both form and function.

High-quality stainless steel fittings secure the sight tube, allowing for quick and accurate coolant level checks without removing the cap. This thoughtful engineering detail enhances maintenance convenience while maintaining a clean, professional look.

Installation & Fitment

Designed as a direct replacement for the factory coolant expansion tank, the BladeRunner GT installs easily using existing mounting points and factory hoses. No modifications or additional parts are required, making installation straightforward for professional mechanics and experienced enthusiasts alike. This tank fits the following vehicles:

• 2015–2023 Dodge Challenger 6.2L Hellcat
• 2015–2023 Dodge Challenger 6.4L 392
• 2015–2023 Dodge Charger 6.2L Hellcat
• 2015–2023 Dodge Charger 6.4L 392
• 2023–2024 Chrysler 300 6.4L 392

What's Included

• aFe BladeRunner GT Aluminum Expansion Tank
• Billet aluminum fittings
• Stainless steel sight tube with fittings
• Installation hardware
• Instructions for installation

Ideal For

This expansion tank is ideal for Dodge and Chrysler owners looking to upgrade their cooling system with a durable, high-quality component that enhances engine bay aesthetics. It is especially suited for performance enthusiasts who demand reliability under high-stress conditions and want to replace aging, brittle factory plastic tanks with a long-lasting aluminum solution.

Emissions Note

This product does not require a CARB Executive Order (EO#) and is legal for use in all 50 states.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.