Radium Coolant Expansion Tank Kit - Ford Focus ST LW/LZ 11-18/Focus RS LZ 16-17

Complete coolant expansion tank kit for Ford Focus ST (2011-2018) and Focus RS (2016-2017). Engineered by Radium Engineering to replace the factory plastic expansion tank with a professional, high-capacity aluminum solution for improved cooling system reliability.

Compatibility

• Ford Focus ST LW (2011-2014)
• Ford Focus ST LZ (2015-2018)
• Ford Focus RS LZ (2016-2017)

Key Features

• ✓ Complete bolt-on kit with all necessary components
• ✓ CNC-machined billet aluminum construction
• ✓ Replaces fragile factory plastic tank
• ✓ Increased coolant capacity over OEM
• ✓ Integrated sight glass for easy coolant level monitoring
• ✓ Vehicle-specific mounting bracket included
• ✓ All necessary hoses and fittings included
• ✓ Professional-grade motorsport component
• ✓ Anodized finish for corrosion resistance

Technical Specifications

• Application: Ford Focus ST LW/LZ (2011-2018), Focus RS LZ (2016-2017)
• Part Number: 20-0318
• Construction: CNC-machined billet aluminum
• Finish: Anodized for corrosion resistance
• Includes: Expansion tank, mounting bracket, hoses, fittings, hardware, installation instructions

Applications

Ideal for Ford Focus ST and RS builds requiring improved cooling system reliability and capacity. Perfect for turbocharged applications, track use, or motorsport where reliable coolant overflow management is critical for performance and engine protection.

Fast shipping available throughout Australia. Lead times may vary - contact us for current availability.