Radium Engineering Coolant Expansion Tank

Universal Fitment

Part #: 20-0270-00

Overview

The Radium Engineering Coolant Expansion Tank is a high-quality, CNC-machined reservoir designed to enhance your vehicle’s cooling system. Crafted from billet 6061 aluminum, this expansion tank is engineered for durability, heat resistance, and precise fitment. It is ideal for performance enthusiasts and those seeking a reliable solution for air bleeding in low-mounted or rear-mounted radiator setups. The tank’s robust construction ensures long-lasting performance, while its sleek design complements the engine bay aesthetics. With a capacity of 750mL, it provides ample space for coolant expansion, helping to maintain optimal operating temperatures and prevent air pockets that can compromise cooling efficiency. This expansion tank is suitable for a variety of applications, especially in custom or high-performance builds where traditional radiator configurations pose challenges for proper coolant air bleeding. Its two-piece design allows for straightforward installation and maintenance, while the CNC billet aluminum radiator neck features a standard 32mm "Mini" style pressure cap, ensuring compatibility with common cooling system components. Whether upgrading an existing setup or building a custom cooling solution, this tank offers a reliable and stylish addition to your vehicle’s cooling system.

Key Features

This coolant expansion tank combines premium materials and thoughtful design to support your vehicle’s cooling needs. Key features include:

• Constructed from CNC machined billet 6061 aluminum for strength and corrosion resistance
• Two-piece design for easy installation and maintenance
• 750mL capacity to accommodate coolant expansion and air bleeding
• Includes CNC billet aluminum radiator neck with a standard 32mm "Mini" style pressure cap
• Designed for applications with low-mounted or rear-mounted radiators
• Enhanced durability and heat resistance for high-performance use
• Sleek, polished finish to complement engine bay aesthetics

Construction & Design

The Radium Coolant Expansion Tank features a precision CNC-machined billet aluminum construction, ensuring a lightweight yet durable component capable of withstanding high temperatures and harsh engine bay conditions. Its two-piece design allows for seamless assembly and disassembly, facilitating maintenance and inspection. The radiator neck is also CNC machined from billet aluminum, providing a secure and reliable connection for the pressure cap. The overall design emphasizes strength, heat dissipation, and compatibility with custom cooling setups.

Installation & Fitment

Installation involves mounting the expansion tank in a suitable location within the engine bay, ensuring clearance and proper hose routing. The tank’s design is intended for custom applications, so fitment details should be verified against your specific vehicle and setup. The included CNC billet aluminum radiator neck with a standard 32mm "Mini" style pressure cap simplifies integration with existing cooling components.

What’s Included

The package includes the CNC billet aluminum coolant expansion tank, the CNC billet aluminum radiator neck, and the necessary hardware for assembly. Additional fittings or hoses may be required depending on your vehicle’s configuration.