Radium Engineering Universal Coolant Expansion Tank
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Radium Engineering Universal Coolant Expansion Tank - Universal - 822mL
Radium Engineering builds cooling system components to a genuine motorsport standard, and this universal coolant expansion tank is a solid example of that. CNC-machined from billet aluminium and finished with an anodised coating for long term corrosion resistance, it's built to handle the demands of high performance street, track, and full motorsport applications where a reliable, high capacity expansion tank is non-negotiable.
This listing covers the Radium Engineering Universal Coolant Expansion Tank (SKU: 20-0270-00). This is a universal fitment item intended for custom cooling system builds. It does not suit a specific vehicle platform out of the box — installation requires planning your mounting location and plumbing configuration to suit your application.
Important: Universal fitment only. Verify mounting location and plumbing requirements before ordering. This tank does not include vehicle-specific brackets or fittings beyond the hardware supplied in the kit.
Key Features
- 822mL capacity for high coolant expansion demands
- CNC-machined billet aluminium construction
- Anodised finish for corrosion resistance and durability
- Integrated sight tube for easy coolant level monitoring
- Multiple ports for versatile plumbing configurations
- Compact design for flexible mounting in tight engine bays
- Includes sight tube and mounting hardware
- Part Number: 20-0270-00
Fitment notes and installation requirements are provided in the tabs above. Confirm your plumbing layout and mounting requirements before ordering.
Pairs Well With
- Radium Engineering Radiator Cap Type A Black - Universal - 32mm ID
- Radium Engineering Coolant Tank Gasket - Universal
- Radium Engineering Radiator Hose Barbed Adaptor - Universal - 1/4" NPT / 32mm or 44mm ID
Not sure if this tank suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
Universal fitment — verify dimensions before ordering.
Product
- Brand
- Radium Engineering
- Part number(s)
- 20-0270-00
Details
- Capacity
- 822mL
- Construction
- 2-piece CNC billet 6061 aluminium with billet neck
- Cap
- Not included; accepts Type-A radiator caps
- Internal design
- 2 chambers with top and bottom cross-over, swirl inlet
- System type
- Pressurised expansion tank (not an overflow tank)
- Fitment
- Universal
Contents
- 822mL coolant expansion tank (two-piece billet aluminium with sight tube)
- Push-to-connect NPT elbows
- Adapter fittings (3)
- Fill neck receiver with O-ring
- Mounting hardware

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