Description
Part Number: AF49-1136
Aeroflow Subaru EJ20 & EJ25 Hi-Flow Thermostat (160°F / 71°C)
Upgrade your Subaru engine cooling performance with the Aeroflow high-flow 160°F (71°C) thermostat, specifically engineered for EJ20 and EJ25 turbocharged and naturally aspirated boxer engines.
Key Features
- ☑ Lowers operating temperature threshold to 160°F (71°C) compared to OEM thermostats.
- ☑ High-flow bypass design maximises coolant velocity during track and high-boost applications.
- ☑ Durable copper and steel construction engineered to withstand extreme cooling pressures.
- ☑ Direct drop-in fitment for standard Subaru EJ engine thermostat housings.
- ☑ Includes rubber sealing gasket for a reliable leak-free installation.
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Part Number | AF49-1136 |
| Engine Fitment | Subaru EJ20 & EJ25 Series |
| Opening Temperature | 160°F (71°C) |
| Material | Copper / Steel |
| Flow Rate | High Flow Performance |
What’s Included in the Box
- 1x Aeroflow Hi-Flow 160°F Thermostat (AF49-1136)
- 1x Rubber Thermostat Housing Gasket Seal
Aeroflow Performance thermal control products are engineered to protect your engine under demanding motorsport conditions. Purchase your genuine Aeroflow parts from JP Racing for fast UK delivery and outstanding customer support.







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