This Airtec aluminium radiator upgrade for Ford Focus ST and RS Mk2 is designed to address the known weak point of the standard cooling. Thanks to the large 40mm core, this radiator offers significantly better cooling and stability, especially during sporty driving and track use.
The all-aluminum construction and improved airflow ensure lower coolant temperatures and more reliable performance, even under higher load and tuning.
Advantages
• 40mm core (larger than OEM 30mm)
• Reduction of coolant temperature by 10–15°C
• Ideal for fast road and track use
• Full aluminum construction
• Welded end tanks (no leakage like OEM)
• Improved durability in tuned engines
• Compatible with aftermarket intercoolers
• OEM fans fit directly
Technical specifications
• Material: all aluminum
• Core thickness: 40mm
• OEM radiator core: 30mm
• Welded aluminium end tanks
• Adjustable billet lower locating pegs
• CNC milled mounting blocks for air conditioning radiator
Compatibility
• Ford Focus ST Mk2
• Ford Focus RS Mk2
Important information
• Choice required: Focus ST or Focus RS variant
• Fits with aftermarket intercoolers (Airtec, Radtec, Pace, Pro-Alloy)
• Suitable for both standard and high-performance builds
Contents
• Airtec aluminium radiator
• Adjustable billet mounting pins
• Mounting material
Frequently Asked Questions
What is the advantage compared to an OEM radiator?
Better cooling, higher reliability, and no risk of leaking plastic end tanks.
Does this fit with standard parts?
Yes, OEM fans and the air conditioning radiator fit directly.
Is this suitable for tuned engines?
Yes, especially recommended for higher power levels and track use.
Is installation difficult?
No, direct replacement with improved fit thanks to adjustable fastening.
