Description
Part Number: AF49-1139
Aeroflow Hi-Flow 71°C (160°F) Thermostat for Mitsubishi Evo 5-7
High-performance low-temperature drop-in thermostat designed to optimise thermal efficiency and lower engine coolant temperatures under hard driving and track conditions.
Key Features
- ☑ Lower opening temperature (71°C / 160°F) compared to factory OEM counterparts
- ☑ Direct drop-in fitment for 4G63 engines in Mitsubishi Lancer Evolution V, VI, and VII
- ☑ Maximises volumetric and thermal efficiency by reducing heat soak under high loads
- ☑ Heavy-duty copper and steel construction for high reliability and consistent cooling
- ☑ Accepts original factory OE thermostat seal for easy installation
Technical Specifications
| Manufacturer | Aeroflow Performance |
|---|---|
| Part Number | AF49-1139 |
| Opening Temperature | 71°C (160°F) |
| Material | Copper & Steel |
| Engine Compatibility | Mitsubishi 4G63 2.0L Turbo |
| Vehicle Fitment | Mitsubishi Lancer Evolution 5, 6, 7 (Evo V, VI, VII) |
| Installation Type | Direct OEM Drop-In Replacement |
What’s Included in the Box
- 1 x Aeroflow AF49-1139 71°C Hi-Flow Thermostat
Aeroflow Performance products are engineered to meet strict motorsport standards, delivering race-proven durability and consistent performance. At JP Racing, we maintain extensive stock and provide dedicated UK technical support with fast dispatch to keep your Evolution performing at its peak.







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