Description

Mitsubishi OEM Water Neck for Evo 7/8/9 Part #MD363251 / 1305A017

Firstly, Buy Mitsubishi OEM Water Neck for Evo 7/8/9, MD363251 / 1305A017. Restore your Mitsubishi Lancer Evolution cooling system with the Mitsubishi OEM Water Neck for Evo 7/8/9 Part #MD363251 / 1305A017. This genuine Mitsubishi replacement water neck is designed for the 4G63 cooling system and provides a direct OEM-style solution for replacing a damaged, worn, or missing factory water outlet fitting.

The water neck is an important part of the engine cooling system. It connects the cooling system components and allows coolant to flow through the correct passages. Replacing a damaged water neck with a genuine OEM Mitsubishi part helps maintain the original cooling-system design and fitment.

Genuine Mitsubishi OEM Water Neck for Evo 7/8/9

The Mitsubishi OEM Water Neck for Evo 7/8/9 is listed by Mitsubishi parts catalogs as a Fitting, Cooling Water Outlet Hose. Both MD363251 and 1305A017 are associated with the same 10113 component designation for Evo 7, Evo 8, and Evo 9 applications.

This makes the part a useful replacement when servicing the cooling system on a CT9A Evolution. It is also a practical choice for owners who want to maintain genuine Mitsubishi components rather than replacing the factory setup with an aftermarket alternative.

Part Numbers

This OEM water neck is identified by the following Mitsubishi part numbers:

• MD363251
• 1305A017
• Mitsubishi reference: 10113
• Genuine Mitsubishi OEM replacement
• Cooling water outlet hose fitting

Mitsubishi parts catalogs show these numbers within the cooling, water pipe, and thermostat assembly for Evo 7, Evo 8, and Evo 9 applications.

Evo 7, Evo 8 & Evo 9 Fitment

The Mitsubishi OEM Water Neck for Evo 7/8/9 Part #MD363251 / 1305A017 is designed for Mitsubishi Lancer Evolution models using the CT9A 4G63 cooling system.

Compatible applications include:

• Mitsubishi Lancer Evolution VII
• Mitsubishi Lancer Evolution VIII
• Mitsubishi Lancer Evolution IX
• CT9A chassis
• 4G63 turbocharged engine applications

STM also lists MD363251 as a genuine OEM Mitsubishi water neck for the Evo 7/8/9 and states that the OEM outlet versions are interchangeable across these models.

OEM Replacement for Your Cooling System

Over time, original cooling-system components can become damaged or require replacement during engine or cooling-system service. Using the correct OEM water neck helps restore the factory configuration without unnecessary modifications.

Firstly, the genuine Mitsubishi design provides the intended factory fit. Secondly, the correct part number makes replacement easier when servicing the cooling system. Thirdly, an OEM replacement is a straightforward choice for Evo owners restoring or maintaining their original 4G63 setup.

This makes the water neck suitable for both maintenance and restoration projects.

Built for the Mitsubishi 4G63 Cooling System

The Evo 7, 8, and 9 use a 4G63 turbocharged engine and share many cooling-system components. Mitsubishi catalogs identify MD363251 and 1305A017 as cooling water outlet hose fittings within the thermostat and water-pipe assembly.

If you are rebuilding an engine, replacing cooling-system components, or restoring an Evo to OEM specification, using the correct water neck helps keep the system consistent with the original Mitsubishi design.

Product Features

• Genuine Mitsubishi OEM component
• Water outlet hose fitting
• Part number MD363251
• Alternate part number 1305A017
• Mitsubishi reference number 10113
• Designed for Evo 7/8/9 applications
• Compatible with CT9A 4G63 cooling systems
• Direct OEM-style replacement
• Ideal for cooling-system maintenance and restoration
• Sold individually

Why Choose an OEM Mitsubishi Water Neck?

The cooling system is critical to maintaining proper engine operating temperature. A damaged or incorrect water outlet component can create fitment problems or contribute to coolant leaks.

Choosing a genuine Mitsubishi water neck gives Evo owners a replacement designed around the original factory application. It is particularly useful when maintaining an OEM engine bay or completing a 4G63 rebuild where factory-style components are preferred.

For enthusiasts restoring an Evo 7, Evo 8, or Evo 9, an OEM cooling-system component can also help preserve the original specification of the vehicle.

Shop Mitsubishi Evo Parts Online

If you are replacing cooling-system components on your Evolution, the Mitsubishi OEM Water Neck for Evo 7/8/9 Part #MD363251 / 1305A017 is a practical OEM replacement for the factory water outlet fitting.

Shop evomotorparts.com for Mitsubishi Evo OEM and performance parts, including 4G63 cooling-system components, water pumps, thermostats, hoses, gaskets, and other Evo 7/8/9 parts. Whether you are maintaining a daily-driven Evo or restoring a performance build, ordering the correct part helps keep your cooling system properly matched to the vehicle.

Frequently Asked Questions

What is the Mitsubishi OEM Water Neck MD363251?

MD363251 is a genuine Mitsubishi Fitting, Cooling Water Outlet Hose, identified as reference 10113 in Mitsubishi parts catalogs. It is used in the cooling-system assembly of Evo 7, Evo 8, and Evo 9 applications.

Is 1305A017 the same part?

1305A017 is another Mitsubishi part number listed for the same cooling water outlet fitting application. Mitsubishi catalogs show both MD363251 and 1305A017 under reference 10113.

Does it fit Evo 7, Evo 8, and Evo 9?

Yes. The part is listed for Evo 7, Evo 8, and Evo 9 applications, and STM identifies the OEM water-neck outlets as interchangeable across these models.

Is this an aftermarket water neck?

No. This listing is for a genuine Mitsubishi OEM water neck/fitting, making it suitable for factory-style replacement and OEM restoration.

Is the gasket included?

The water neck and thermostat-case gasket are separate components in the Mitsubishi parts catalog. If your installation requires a new gasket, verify that the appropriate gasket is ordered separately.

Is this the complete thermostat housing?

No. This product is the cooling water outlet fitting/water neck. The thermostat housing and other cooling-system components are separate parts.

Conclusion

The Mitsubishi OEM Water Neck for Evo 7/8/9 Part #MD363251 / 1305A017 is a genuine factory replacement for the cooling water outlet fitting used on Mitsubishi Lancer Evolution 7, 8, and 9 models. With its OEM design and confirmed CT9A 4G63 application, it is an excellent choice for replacing a worn or damaged component while keeping your cooling system close to the original Mitsubishi specification. Shop this OEM water neck and other genuine Mitsubishi Evo parts at evomotorparts.com.

Buy Mitsubishi OEM Water Neck for Evo 7/8/9, MD363251 / 1305A017, Genuine 4G63 cooling-system replacement for CT9A models.