Description

Mitsubishi OEM Water Pump Gasket for Evo 8/9 Part #MN137262

Firstly, Buy Mitsubishi OEM Water Pump Gasket for Evo 8/9 (MN137262). Replace your worn or leaking water pump gasket with the Mitsubishi OEM Water Pump Gasket for Evo 8/9 Part #MN137262. This genuine Mitsubishi replacement gasket is designed for the 2003–2006 Mitsubishi Lancer Evolution VIII and IX with the 4G63 engine.

The water pump gasket provides the sealing surface between the water pump and engine. Using the correct OEM gasket helps maintain a proper seal and prevent coolant leaks after water pump installation or cooling-system service.

Genuine Mitsubishi OEM Water Pump Gasket for Evo 8/9

The Mitsubishi OEM Water Pump Gasket for Evo 8/9 uses part number MN137262. It is listed as a genuine Mitsubishi factory replacement gasket for Evolution VIII and IX models.

This gasket is designed to match the original water pump mounting and sealing surfaces. It is a straightforward replacement when installing a new water pump or servicing the existing cooling system.

Important: MN137262 does not fit the Evo 7. Current Evo-specific listings identify it specifically for Evo 8 and Evo 9 applications.

Mitsubishi Part Number MN137262

Key product details include:

• Brand: Mitsubishi OEM
• Part Number: MN137262
• Component: Water Pump Gasket
• Application: Mitsubishi Lancer Evolution VIII & IX
• Chassis: CT9A
• Engine: 4G63
• Model Years: 2003–2006
• Quantity: 1 gasket
• Type: Genuine OEM replacement

Mitsubishi parts catalogs identify MN137262 as a Water Pump Assembly Gasket, while Evo-specific suppliers list it for the Evolution 8/9 cooling system.

Evo 8 & Evo 9 Water Pump Gasket

The water pump gasket is an important sealing component in the 4G63 cooling system. When the water pump is removed, the gasket should be replaced rather than reusing the old sealing surface.

A new gasket helps create the proper seal between the pump and engine. This is particularly important when installing a new water pump during routine maintenance, timing-system service, or an engine rebuild.

The Mitsubishi service documentation identifies the water pump gasket as a separate component in the water-pump assembly.

Designed for the 4G63 Cooling System

The MN137262 water pump gasket is designed around the Evo 8 and Evo 9 4G63 cooling-system configuration. It provides the correct gasket profile for the corresponding water pump installation.

For Evo owners rebuilding or servicing a 4G63 engine, using the correct gasket is a simple but important part of completing the cooling-system installation properly.

Buy Mitsubishi OEM Water Pump Gasket for Evo 8/9 (MN137262), Genuine 4G63 gasket for 2003–2006 CT9A cooling-system service.

Firstly, the gasket provides the required sealing interface. Secondly, replacing the gasket during water pump installation helps avoid reusing an old compressed gasket. Thirdly, a genuine Mitsubishi gasket keeps the replacement installation consistent with the original equipment design.

Ideal for Water Pump Replacement

The Mitsubishi OEM Water Pump Gasket MN137262 is an excellent replacement part to have on hand when installing a new water pump.

It can be used during:

• Water pump replacement
• Timing-belt service
• 4G63 engine rebuilds
• Cooling-system repairs
• Preventative maintenance
• OEM restoration projects
• Coolant leak repairs

Because the gasket is a dedicated sealing component, it is recommended to replace it whenever the water pump is removed.

Product Features

• Genuine Mitsubishi OEM gasket
• Part number MN137262
• Designed for Evo 8 and Evo 9
• Fits 4G63 engine applications
• Direct OEM-style replacement
• Designed for the water pump assembly
• Helps provide a proper coolant seal
• Suitable for water pump replacement
• Sold individually
• Does not fit Evo 7

Current Evo-specific listings confirm that the package contains one gasket.

Evo 8 & Evo 9 Fitment

The Mitsubishi OEM Water Pump Gasket MN137262 is listed for the following applications:

• Mitsubishi Lancer Evolution VIII
• Mitsubishi Lancer Evolution IX
• Evo 8
• Evo 9
• CT9A chassis
• 4G63 2.0L turbocharged engine
• 2003–2006 applications

Evo-specific parts suppliers list MN137262 for both Evolution VIII and Evolution IX models and specifically exclude the Evo 7.

If you are unsure about your vehicle’s build date or cooling-system configuration, verify the part number before ordering.

MN137262 vs. Other Water Pump Seals

The Evo 8/9 water pump assembly uses more than one sealing component. MN137262 is the water pump gasket, while MD030764 is used as the water pump/water-pipe O-ring. These are separate components and should not be confused with one another.

If you are completing a full water pump replacement, checking both sealing components can help ensure you have everything required for the installation.

Shop Mitsubishi Evo Parts Online

If you are replacing the water pump on your Evolution 8 or 9, the Mitsubishi OEM Water Pump Gasket for Evo 8/9 Part #MN137262 provides the correct OEM-style sealing component for the installation.

Shop evomotorparts.com for genuine Mitsubishi Evo parts, 4G63 cooling-system components, water pumps, water necks, O-rings, gaskets, and other OEM and performance parts. Whether you are completing routine maintenance or rebuilding your Evo engine, using the correct gasket helps keep your cooling system properly sealed.

Frequently Asked Questions

What is Mitsubishi part number MN137262?

MN137262 is a genuine Mitsubishi water pump assembly gasket used on the Evolution 8 and Evolution 9 cooling systems.

Does MN137262 fit the Evo 8?

Yes. The gasket is listed for the 2003–2005 Mitsubishi Evolution VIII.

Does MN137262 fit the Evo 9?

Yes. It is also listed for the Evolution IX, including 2006 applications.

Does this gasket fit the Evo 7?

No. Current Evo-specific listings clearly state that MN137262 does not fit the Evo 7.

How many gaskets are included?

The product is sold as one water pump gasket.

Is MN137262 a genuine Mitsubishi gasket?

Yes. MN137262 is listed as a genuine Mitsubishi OEM water pump gasket.

Should I replace the gasket when installing a water pump?

Yes. A new gasket should be used when installing the water pump rather than reusing the old gasket. This helps provide the proper sealing surface between the pump and engine.

Is the water-pipe O-ring included?

No. The MD030764 water-pump/water-pipe O-ring is a separate sealing component.

Conclusion

The Mitsubishi OEM Water Pump Gasket for Evo 8/9 Part #MN137262 is a genuine factory replacement designed to properly seal the water pump on 2003–2006 Mitsubishi Lancer Evolution VIII and IX models. Made for the CT9A 4G63 cooling system, this gasket is an important component when replacing the water pump, performing timing-belt service, rebuilding an engine, or repairing a coolant leak. If you are servicing your Evo 8 or Evo 9 cooling system, shop MN137262 and other genuine Mitsubishi Evo parts at evomotorparts.com.

Buy Mitsubishi OEM Water Pump Gasket for Evo 8/9 (MN137262). Genuine 4G63 gasket for 2003–2006 CT9A cooling-system service.