Radium Engineering Universal Coolant Expansion Tank
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Description
Radium Engineering Universal Coolant Expansion Tank
Application: Universal
Part Type: Billet aluminium coolant expansion tank (822mL)
Part Number: 20-0270-00
An expansion tank is essential for bleeding air from rear-mounted or low-mounted (such as V-mount) radiators, and adds value in conventional radiator layouts too. The Radium Universal Coolant Tank allows the radiator to stay 100% full of coolant in all conditions and can be custom installed into virtually any cooling system.
The 822mL tank is a two-piece design CNC machined from billet 6061 aluminium, with the halves bolted together around a billet aluminium neck. Hot pressurised coolant enters the vortex chamber tangentially and spins rapidly to prevent aeration. This is not an overflow tank – it is designed to be part of a pressurised coolant system.
Key Features
- 822mL Capacity: Compact tank for custom cooling systems
- Billet Construction: Two-piece CNC machined 6061 aluminium
- Swirl Chamber: Tangential inlet spins coolant in the vortex chamber to prevent aeration
- Dual Chambers: Two internal chambers linked by crossover passages at the top and bottom
- Type-A Cap Receiver: Billet aluminium 32mm pressure cap receiver
- Sight Tube: Nickel-plated fittings and sight tube for checking coolant level
What's Included
- Billet aluminium coolant tank
- Anodised aluminium mounting bracket
- 6AN male adapter fittings (x3)
- 6AN 90 degree Push-lok hose ends (x3)
- Nickel-plated fittings and sight tube
- Billet aluminium 32mm pressure cap receiver
- Aluminium pressure bleed 1/4" barb
- Stainless steel hardware
Optional Parts
- Radium Engineering Radiator Cap Type A Black (18-0076-A11 / A13 / A15) – required pressure cap, available in 1.1, 1.3 and 1.5 Bar; a higher-pressure cap is worth considering for track use
Important Notes
- Pressure cap is not included – the receiver accepts Type-A radiator caps
- This is not an overflow tank – it must be installed as part of a pressurised coolant system
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Universal – see Application
Not sure if this suits your vehicle? Email sales@coore.com.au and our team will confirm fitment.