AIRTEC Motorsport Engine Oil Cooler/Radiator Kit – Ford Focus RS Mk3 2.3 EcoBoost (2016-2018) Front-Mount Auxiliary Heat Exchanger, Direct-Fit Bolt-On Upgrade for Track Day & Fast Road, Suits Stage 1/2 Tunes

Proven external oil cooling for the Mk3 Focus RS 2.3T

Push your third‑generation Focus RS harder with the trusted AIRTEC Motorsport auxiliary oil cooler. This front grille mounted heat exchanger manages lubricant temperatures on spirited B‑road blasts, remapped builds and circuit sessions, helping your 2.3 turbo EcoBoost stay consistently strong when stock cooling is overwhelmed.

We install these regularly at MJ Modifications and the fit, finish and results have been excellent. Customers report rock‑solid oil temperature control, repeatable performance and extra confidence when leaning on their RS for extended periods.

Why this upgrade belongs on your RS

• Vehicle specific kit for the 2016 to 2018 Focus RS 2.3 turbo petrol
• Front situated cooler core in high airflow for effective heat rejection
• Complete package with model matched hardware for a tidy, OE‑style installation
• Engineered by AIRTEC Motorsport for fast road, track day and tuned applications
• Stabilises lubricant temperatures to protect the engine during repeated hard use
• Ideal partner for Stage 1 and Stage 2 calibrations, intake, exhaust and turbo upgrades

Benefits you will notice

By reducing oil temperature rise under load, this upgrade supports consistent power delivery, helps guard bearings and the turbocharger, and combats heat soak during back‑to‑back pulls and long stints. It is a reliability boost that lets your RS deliver lap after lap, drive after drive.

Perfect for

• Daily driven hot hatches that see enthusiastic weekend use
• Track day cars where oil temps climb quickly
• Mapped builds seeking durability to match the extra power

Professional fitting

We recommend expert installation for best results. Book fitting with MJ Modifications in Warwickshire. Request a quote and availability at info@mjmodifications.co.uk.

Search terms customers use

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Order with confidence from MJ Modifications and keep your Mk3 Focus RS performing at its best on road and track.