Mitsubishi OEM Thermostat for Evo 6/7/9 — 4G63 — MD363571

Description

Mitsubishi OEM Thermostat for Evo 6/7/9 — 4G63 — MD363571

Firstly, Buy Mitsubishi OEM Thermostat for Evo 6/7/9 online at Evomotorparts. Keep your Mitsubishi Lancer Evolution’s cooling system operating with the correct factory-specification component using the Mitsubishi OEM Thermostat for Evo 6/7/9. Genuine Mitsubishi part number MD363571, this thermostat is designed for applicable Mitsubishi Lancer Evolution VI, Evolution VII, and Evolution IX models equipped with the turbocharged 2.0L 4G63 engine. It is an excellent OEM replacement for an aging thermostat and a practical choice for cooling-system maintenance, engine rebuilding, restoration projects, and preventative servicing. Mitsubishi parts references identify MD363571 as a genuine thermostat kit, while Evo-specific parts suppliers list it for Evo 6, Evo 7, and 2006 Evo 9 applications.

The thermostat is a key component of the 4G63 engine cooling system. It regulates coolant flow as the engine warms up and reaches normal operating temperature, helping the cooling system maintain the appropriate temperature range during everyday driving and higher-load operation. Using the correct OEM thermostat helps preserve the original cooling-system design and avoids relying on a generic replacement with an uncertain application or specification.

Mitsubishi OEM Thermostat for Evo 6/7/9

The Mitsubishi OEM Thermostat for Evo 6/7/9 is intended for the specific cooling-system configuration used by these Evolution generations. Evo-specific fitment references identify MD363571 for the 1999–2000 Evolution VI, 2001–2002 Evolution VII, and 2006 Evolution IX.

Firstly, genuine Mitsubishi hardware provides an application-specific replacement for the factory thermostat. Secondly, using the correct OEM component helps maintain the original 4G63 cooling-system configuration during repairs or restoration. Thirdly, replacing an aging thermostat during scheduled maintenance can be a sensible part of refreshing the cooling system, particularly when other components are already being serviced.

Product Features and Specifications

• Product: Engine Coolant Thermostat
• Brand: Mitsubishi Genuine OEM
• OEM Part Number: MD363571
• Part Description: Thermostat Kit
• Engine: 2.0L turbocharged 4G63
• Applications: Mitsubishi Lancer Evolution VI, VII, and IX
• Evo VI: 1999–2000
• Evo VII: 2001–2002
• Evo IX: 2006
• Primary System: Engine cooling system
• Condition: New genuine OEM replacement
• Fitment Type: Vehicle-specific OEM replacement
• Diagram Number: 10110

Mitsubishi’s parts catalog identifies MD363571 as a thermostat kit, and current OEM parts listings confirm the genuine Mitsubishi manufacturer and direct-replacement application.

4G63 Engine Cooling System

The turbocharged 4G63 engine is one of the defining mechanical components of the Mitsubishi Evolution platform, and its cooling system plays an important role in managing engine temperature. The thermostat controls coolant circulation as the engine transitions from a cold start to normal operating temperature.

When the engine is cold, the thermostat restricts coolant flow through the radiator while the engine warms. As coolant temperature rises, the thermostat opens to allow increased circulation through the cooling system. This controlled process helps the engine reach and maintain its intended operating temperature.

A thermostat can therefore have an important role in overall cooling-system operation. An old, damaged, or malfunctioning thermostat may affect coolant circulation and temperature control. Replacing an aging unit with the correct Mitsubishi OEM Thermostat for Evo 6/7/9 is a straightforward way to refresh an important component of the 4G63 cooling system.

Ideal for Evo 6, Evo 7 and Evo 9 Maintenance

The Evolution VI, VII, and IX are popular performance platforms that are now commonly maintained, restored, and rebuilt by enthusiasts around the world. During this work, cooling-system components deserve careful attention because many original vehicles have accumulated significant mileage and years of service.

The MD363571 thermostat is particularly useful for owners who want to maintain an OEM-style engine rather than install a generic or modified cooling component. It can be used during routine thermostat replacement, preventative maintenance, engine rebuilding, cooling-system refurbishment, or an OEM restoration.

For a 4G63 engine undergoing major service, replacing the thermostat can also be considered while related cooling-system components are accessible. This may include the water pump, thermostat housing, water pipes, radiator hoses, coolant, and associated seals or gaskets.

Important Evo Fitment Difference

It is important to verify the Evolution generation before ordering because Mitsubishi did not use the same thermostat across every Evo 4G63 application.

The Evo 8 uses MN143463, which is a different thermostat from MD363571. Evo-specific technical references identify MD363571 as the thermostat used across the Evo 6, Evo 7, and Evo 9 configurations, while the Evo 8 has its own cooling-system arrangement.

This distinction is particularly important for Evo 8 owners. Do not select MD363571 simply because your vehicle has a 4G63 engine; verify the exact Evolution model and cooling-system configuration first.

Genuine Mitsubishi OEM Quality

Choosing genuine Mitsubishi hardware can be beneficial when maintaining a vehicle close to its original factory specification. OEM parts are designed around the original vehicle application, which can make them a practical choice for restoration and long-term maintenance.

The MD363571 thermostat is also useful for customers who want to avoid mixing generic cooling-system components with genuine Mitsubishi parts. When combined with the correct water pump, thermostat housing, gasket, hoses, and other cooling components, it can form part of an OEM-focused 4G63 cooling-system refresh.

For Evo owners rebuilding an engine, maintaining an original street car, or restoring a performance vehicle, using the correct OEM part number can also make parts identification easier and reduce the chance of ordering a similar-looking but incorrect component.

Buy Mitsubishi Evo Thermostat Online

If you are searching for genuine Mitsubishi Evo parts, the Mitsubishi OEM Thermostat for Evo 6/7/9 — MD363571 is a practical replacement for applicable 4G63 cooling-system applications. You can shop online and order genuine Mitsubishi components from evomotorparts.com, subject to availability.

Mitsubishi Evolution parts are sourced by enthusiasts across North America, Europe, Australia, Japan, and other international markets. Using the exact OEM part number MD363571 makes it easier to identify the correct component when searching for genuine Evo cooling-system parts internationally.

Before you buy, confirm your Evolution model, model year, and existing cooling-system configuration. This is especially important if the vehicle has an engine swap, aftermarket water pipes, a replacement thermostat housing, or other cooling-system modifications.

Frequently Asked Questions

What is the OEM thermostat part number for the Evo 6/7/9?

The genuine Mitsubishi OEM thermostat part number is MD363571. Mitsubishi parts references identify it as a thermostat kit, with diagram number 10110.

What Evo models use MD363571?

MD363571 is documented for the 1999–2000 Mitsubishi Evolution VI, 2001–2002 Evolution VII, and 2006 Mitsubishi Evolution IX.

Does MD363571 fit the Evo 8?

No, the Evo 8 uses a different thermostat, MN143463, because its cooling-system configuration differs from the Evo 6/7/9 arrangement.

What engine does this thermostat fit?

MD363571 is used with the 2.0L turbocharged 4G63 engine in the applicable Evolution models.

Is MD363571 a genuine Mitsubishi part?

Yes. Current OEM parts listings identify MD363571 as a Genuine Mitsubishi thermostat kit.

What does the thermostat do?

The thermostat regulates coolant circulation as the engine warms up. It helps control the transition between the engine warming phase and normal cooling-system operation.

Is this thermostat suitable for a 4G63 engine rebuild?

Yes, provided the engine uses the applicable Evo 6, Evo 7, or Evo 9 cooling-system configuration. It is suitable for OEM-style maintenance, restoration, and 4G63 rebuild projects.

Should I replace the thermostat during a water pump service?

Replacing or inspecting the thermostat during major cooling-system service can be practical because the water pump and related cooling components may already be accessible, but the correct thermostat should always be selected according to the exact vehicle application.

Is the thermostat gasket included?

The product should be checked for its exact package contents before ordering. The thermostat and gasket are cataloged as separate components in Evo cooling-system parts references, so do not assume a gasket is included unless the product listing specifically states it.

Can I use this thermostat in an Evo 9?

Yes, MD363571 is documented for the 2006 Mitsubishi Lancer Evolution IX. Evo-specific parts suppliers list the part for the 2006 Evo 9.

Where can I buy the Mitsubishi MD363571 thermostat?

You can shop and order the Mitsubishi OEM Thermostat for Evo 6/7/9 — MD363571 through evomotorparts.com, subject to current availability. For a factory-focused 4G63 cooling-system service, choose the correct genuine Mitsubishi thermostat and shop the Mitsubishi OEM Thermostat for Evo 6/7/9 — MD363571 from evomotorparts.com to maintain the original cooling-system specification of your Evolution.

Buy Mitsubishi OEM Thermostat for Evo 6/7/9 online at Evomotorparts. Genuine MD363571 for 4G63 engines, cooling-system maintenance and OEM restoration.