Description

Mitsubishi OEM 4B11 Engine Long Block for Evo X (10105W300P)

Firstly, Buy Mitsubishi OEM 4B11 Engine Long Block Evo X online. Restore the performance and reliability of your Mitsubishi Evolution X with the Mitsubishi OEM 4B11 Engine Long Block for Evo X (10105W300P). Designed as a genuine Mitsubishi factory replacement engine assembly, this OEM 4B11T long block provides a complete foundation for engine replacement, restoration projects, and high-performance builds. Built specifically for the 2008–2015 Mitsubishi Lancer Evolution X, this long block delivers factory-quality engineering, precise fitment, and the durability expected from genuine Mitsubishi Evo parts.

The Mitsubishi Evolution X 4B11T engine is known worldwide for its advanced aluminum construction, turbocharged performance, and strong tuning potential. When an original engine has experienced excessive wear, internal damage, or failure, replacing it with a genuine OEM long block allows enthusiasts to return their Evo X to factory specifications without rebuilding every individual component.

The Mitsubishi OEM 4B11 Engine Long Block Evo X 10105W300P is supplied as a complete long block assembly, including the cylinder head and lower engine assembly from valve cover to oil pan. It is an excellent choice for owners looking for a dependable replacement engine foundation while retaining OEM Mitsubishi quality and compatibility.

Mitsubishi OEM 4B11 Engine Long Block Evo X Replacement Solution

The long block assembly is the heart of the Mitsubishi Evolution X engine system. Unlike a bare block or short block, a complete long block includes the major internal engine components along with the cylinder head assembly, reducing installation time and simplifying the replacement process.

The Mitsubishi OEM 4B11 Engine Long Block Evo X is designed to provide:

• Genuine Mitsubishi OEM construction
• Factory-engineered 4B11T specifications
• Complete long block replacement solution
• Reliable performance for street and performance applications
• Direct compatibility with Mitsubishi Evolution X vehicles

This OEM engine assembly is ideal for owners who want a factory-style replacement instead of rebuilding a damaged engine from separate components.

Designed for 2008–2015 Mitsubishi Evolution X 4B11T

The Mitsubishi OEM 4B11 Engine Long Block 10105W300P was developed specifically for the Mitsubishi Evolution X CZ4A platform. The Evo X uses the 2.0L turbocharged 4B11T engine, which replaced the previous 4G63T platform found in earlier Evolution models.

Compatible applications include:

• 2008 Mitsubishi Lancer Evolution X
• 2009 Mitsubishi Lancer Evolution X
• 2010 Mitsubishi Lancer Evolution X
• 2011 Mitsubishi Lancer Evolution X
• 2012 Mitsubishi Lancer Evolution X
• 2013 Mitsubishi Lancer Evolution X
• 2014 Mitsubishi Lancer Evolution X
• 2015 Mitsubishi Lancer Evolution X

Engine application:

• Mitsubishi 4B11T 2.0L Turbocharged Engine

Chassis:

• Mitsubishi Evolution X CZ4A

The 10105W300P part number replaced the earlier Mitsubishi reference 1000C982. Always confirm your vehicle VIN and engine specifications before ordering to ensure correct compatibility.

Factory OEM Quality for Evo X Engine Replacement

Choosing the correct engine assembly is critical when restoring or rebuilding a Mitsubishi Evolution X. The engine must maintain proper compression, oil circulation, cooling efficiency, and internal tolerances to deliver reliable performance.

The Mitsubishi OEM 4B11T long block provides a factory-built solution that helps eliminate many uncertainties associated with used engines or incomplete rebuilds.

Benefits include:

• OEM Mitsubishi manufacturing standards
• Correct internal clearances
• Proper cylinder head and block compatibility
• Reduced installation complexity
• Reliable foundation for future upgrades

Firstly, a genuine Mitsubishi long block ensures your Evo X receives an engine assembly designed specifically for the 4B11T platform.

Secondly, replacing the complete long block can save time compared with rebuilding individual worn engine components.

Thirdly, it provides a dependable foundation for enthusiasts looking to maintain OEM reliability while supporting future Mitsubishi Evo performance upgrades.

Ideal for Street, Restoration, and Performance Builds

The Mitsubishi Evolution X has become one of the most popular turbocharged AWD performance platforms worldwide. As these vehicles continue to age, many owners require quality replacement engines to preserve their cars.

The Mitsubishi OEM 4B11 Engine Long Block Evo X is commonly used for:

• Engine replacement projects
• OEM restoration builds
• Failed engine replacements
• High-mileage Evo X repairs
• Street performance vehicles
• Track-focused builds

This long block also works well as a foundation for owners upgrading supporting components such as turbochargers, fuel systems, engine management, cooling systems, and drivetrain upgrades.

Long Block Assembly Features and Specifications

Product Name: Mitsubishi OEM 4B11 Engine Long Block for Evo X
Part Number: 10105W300P
Previous Part Number: 1000C982
Brand: Mitsubishi Genuine OEM
Engine Platform: 4B11T Turbocharged Engine
Displacement: 2.0L
Vehicle Application: Mitsubishi Evolution X
Model Years: 2008–2015
Chassis: CZ4A
Assembly Type: Complete Long Block Engine Assembly

Included:

• Cylinder head assembly
• Engine block assembly
• Internal rotating components
• Valve cover
• Oil pan

Not included:

• Turbocharger
• Intake manifold
• Exhaust manifold
• Alternator
• Starter motor
• External accessories

Why Choose a Genuine Mitsubishi Long Block?

Engine reliability depends on precision manufacturing and correct component compatibility. After years of high-performance driving, modified setups, or increased mileage, replacing an engine with a genuine OEM Mitsubishi assembly can provide peace of mind.

The Mitsubishi OEM 4B11 Engine Long Block Evo X gives enthusiasts the confidence of factory engineering combined with the flexibility to customize supporting systems.

For owners building a reliable Mitsubishi Evolution X, pairing this OEM long block with quality Mitsubishi Evo parts such as cooling upgrades, drivetrain components, turbo systems, and engine management solutions creates a strong and dependable performance platform.

Installation Information

Before installation, always inspect supporting components and verify compatibility with your vehicle.

Recommended checks include:

• Turbocharger condition
• Cooling system components
• Engine wiring connections
• Fuel system components
• Transmission compatibility
• ECU calibration requirements

Professional installation is recommended to ensure correct setup, proper fluid preparation, and reliable engine operation.

Frequently Asked Questions

What Mitsubishi Evo models does the 10105W300P long block fit?

The 10105W300P long block is designed for 2008–2015 Mitsubishi Evolution X models equipped with the 4B11T turbocharged engine.

Is this a complete engine?

This is a long block assembly, not a complete crate engine. It includes the major engine assembly from the cylinder head to the oil pan but does not include external accessories such as the turbocharger, intake, exhaust, starter, or alternator.

What is the difference between a short block and long block?

A short block contains the lower engine assembly, including the block and rotating components. A long block includes the short block components plus the cylinder head assembly.

Can this long block be used for a performance Evo X build?

Yes. The OEM 4B11T long block provides a strong foundation for performance applications when combined with proper supporting modifications and tuning.

Does this replace the original 1000C982 part number?

Yes. The 10105W300P updated the previous 1000C982 reference. Always verify using your VIN before ordering.

Why choose an OEM Mitsubishi long block instead of a used engine?

A genuine OEM long block provides factory specifications, known component quality, and a reliable starting point compared with an unknown used engine history. Give your Mitsubishi Evolution X the factory-quality engine foundation it deserves with the Mitsubishi OEM 4B11 Engine Long Block for Evo X (10105W300P), engineered for reliable replacement, restoration, and performance applications, and shop genuine Mitsubishi Evo parts online from evomotorparts.com today.