Cx-50 Thermostat PX8E-15-171

CX-50 Performance Thermostat – PX8E-15-171

Mazda 3 Upgrade | Improved Thermal Management

The CX-50 performance thermostat PX8E-15-171 is a direct upgrade for Mazda 3 models, designed to improve engine thermal management. With a lower opening temperature than the factory thermostat, it allows the engine to run cooler, reducing thermal stress and improving performance consistency.

When paired with the factory water-to-air system, this upgrade also helps lower intake air temperatures, minimizing heat soak and maintaining more stable engine response—especially during spirited driving or on modified vehicles.

· Direct upgrade for Mazda 3

· Lower opening temperature than OEM

· Allows the engine to run cooler

· Helps reduce intake air temperatures (OEM water-to-air)

· Reduces heat soak

· Improves performance consistency

 ·Plug & play installation

 ·OEM-quality / performance-focused

Thermostat Temperature Comparison

OEM Thermostat
• Opening Temperature: 190°F (88°C)

CX-50 Thermostat Upgrade
• Opening Temperature: 180°F (82°C)

Installation available in shop , contact us at sales@lpcustomfab.com