MITSUBISHI MR587311 Harness

( Manufacturer Part Number: MR587311 ), ( Part Type: Harness ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2004 2005 2006 2007 2008 2009 2010 2011 2012 ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included )

Review MITSUBISHI Genuine Harness fits 2004–2012

The **Mitsubishi MR587311 Harness** is a high-performance, precision-engineered automotive harness designed specifically for Mitsubishi vehicles, offering unmatched reliability and durability for both professional mechanics and DIY enthusiasts. This meticulously crafted harness is built to meet the rigorous demands of modern automotive electrical systems, ensuring seamless connectivity between critical components such as the engine control unit (ECU), sensors, injectors, and ignition systems. Constructed from high-grade, flame-retardant thermoplastic elastomer (TPE) and reinforced with robust, corrosion-resistant copper conductors, this harness delivers exceptional resistance to heat, vibration, and environmental stressors, making it ideal for use in demanding driving conditions or high-mileage vehicles. The MR587311 features a modular design with clearly labeled, color-coded wiring and secure crimp connections, simplifying installation and troubleshooting while minimizing the risk of miswiring or loose connections. Its compact yet flexible construction allows for easy routing through tight engine bays and underhood spaces, ensuring a clean and organized fit without compromising functionality. Whether replacing a damaged original equipment (OEM) harness, upgrading an existing system, or performing a custom vehicle build, this Mitsubishi-specific harness provides the precision and performance needed to maintain optimal electrical performance and vehicle reliability. Backed by Mitsubishi s commitment to quality, this harness is a trusted choice for those seeking a dependable, long-lasting solution for their Mitsubishi vehicle s electrical needs.

### Pros and Cons of buying a Mitsubishi MR587311 Harness

The Mitsubishi MR587311 is a wiring harness designed for certain Mitsubishi vehicles, primarily those with a 4G63 or 4G93 engine (such as the Eclipse, Galant VR4, or Lancer Evolution). Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Compatibility and Reliability**

The MR587311 harness is specifically engineered for Mitsubishi vehicles with the aforementioned engine configurations. This means it is designed to fit seamlessly with the vehicle s electrical system, reducing the risk of compatibility issues that can arise with aftermarket or generic harnesses. Many users report that it resolves wiring-related problems, such as intermittent electrical failures, sensor malfunctions, or poor engine performance.

2. **Improved Electrical Performance**

The harness is often used in performance tuning or restoration projects. It is constructed with high-quality wiring and connectors that can reduce resistance and improve signal integrity. This is particularly beneficial for vehicles where the original wiring may be degraded or damaged over time. Some users also note that it helps stabilize voltage delivery to critical components like the ECU, sensors, and injectors, leading to more consistent engine operation.

3. **Durability and Build Quality**

Mitsubishi s wiring harnesses are generally built to withstand the demands of automotive environments, including heat, vibration, and moisture. The MR587311 harness is no exception, with robust insulation and secure crimping to prevent loose connections. This can extend the lifespan of the harness and reduce the likelihood of short circuits or wire failures.

4. **Support for Performance Modifications**

For enthusiasts who have modified their vehicles with turbocharging, forced induction, or other performance upgrades, the MR587311 harness can be a critical component. It is designed to handle the increased electrical demands of these modifications, providing a more stable foundation for the vehicle s electrical system. This can be especially important for preventing issues like voltage drops or sensor inaccuracies that can occur with stock wiring under stress.

5. **Ease of Installation**

While installation can vary depending on the vehicle and the user s experience, the MR5877311 harness is often designed with modularity in mind. Some versions include color-coded wires and clear labeling, which can simplify the installation process for those who are not experienced with wiring harnesses. Additionally, Mitsubishi provides installation guides or diagrams to help users correctly route and connect the wires.

6. **Warranty and Support**

Purchasing the harness directly from Mitsubishi or an authorized dealer may come with a warranty, offering some level of protection against manufacturing defects. Mitsubishi also has a reputation for providing customer support, which can be helpful if issues arise during installation or use.

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### **Cons**

1. **Cost**

The MR587311 harness is not a cheap component. Depending on the retailer and any additional fees (such as shipping or labor), the cost can be significantly higher than generic or aftermarket alternatives. For budget-conscious buyers, this may be a deterrent, especially if the harness is only needed for a specific issue rather than a comprehensive upgrade.

2. **Limited Availability**

While Mitsubishi harnesses are reliable, they may not be as widely available as aftermarket options. This can make it more difficult to purchase, particularly if you are not located near an authorized Mitsubishi dealership or a reputable online seller. Some users report delays in receiving the harness, which can be frustrating if you are working on a project with a tight timeline.

3. **Potential Overkill for Minor Issues**

If the electrical problem in your vehicle is minor such as a loose connection or a single faulty wire the MR587311 harness might be more than necessary. In such cases, a targeted repair or replacement of the specific faulty component could be a more cost-effective solution. Installing a full harness when only a small section of wiring is problematic can be seen as an unnecessary expense.

4. **Installation Complexity**

While the harness is designed to be user-friendly, installing it still requires a certain level of technical skill and patience. Mismatched connectors, incorrect routing, or improper crimping can lead to electrical issues or even damage to the vehicle s systems. Beginners may find the process overwhelming, and in some cases, professional installation may be recommended to avoid costly mistakes.

5. **Compatibility with Aftermarket Parts**

Some aftermarket components, such as ECUs, sensors, or injectors, may not be fully compatible with the MR587311 harness. This can lead to additional complications, such as the need for adapters or custom wiring modifications. Before purchasing, it is crucial to verify that all aftermarket parts will integrate smoothly with the harness.

6. **Potential for Counterfeit Products**

As with many high-demand automotive parts, there is a risk of purchasing counterfeit or low-quality replicas of the MR587311 harness. Counterfeit products may not meet Mitsubishi s quality standards, leading to poor performance, premature failure, or even safety hazards. Buying from reputable sellers and verifying the authenticity of the product is essential to avoid this issue.

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### **Conclusion**

The Mitsubishi MR587311 harness is a high-quality, reliable component designed to address electrical issues in specific Mitsubishi vehicles with 4G63 or 4G93 engines. Its primary strengths lie in its compatibility, durability, and ability to support performance modifications, making it an excellent choice for enthusiasts and restorers who prioritize reliability and performance. However, the harness is not without drawbacks, particularly its high cost, limited availability, and the potential for overkill in less complex scenarios.

For those who are experiencing persistent electrical problems, have modified their vehicles with performance upgrades, or are undertaking a comprehensive restoration project, the MR587311 harness is a worthwhile investment. It offers peace of mind and long-term reliability, which can outweigh the initial cost. On the other hand, if the issue is minor or the budget is constrained, exploring alternative solutions such as targeted repairs or aftermarket harnesses may be more practical.

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### **Recommendation**

If you are certain that the MR587311 harness is the right solution for your vehicle s electrical needs, proceed with purchasing it from a trusted source, such as an authorized Mitsubishi dealer or a well-reviewed online retailer. Ensure that you have the necessary tools and knowledge for installation, or consider seeking professional assistance if you are unsure.

Before making a purchase, thoroughly research your vehicle s specific requirements and consult with other owners or forums to confirm that the harness will address your issues. Additionally, verify that all other components in your vehicle are compatible with the harness to avoid future complications.

In summary, the Mitsubishi MR587311 harness is a strong choice for those who need a reliable, high-performance wiring solution for their Mitsubishi vehicle, but it is important to weigh the pros and cons carefully against your specific needs and budget.

Details:

Parts must be resalable and in the original packaging. Electrical parts are not returnable. XLS limited. Limited SE.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Sport v6.

part #: mr587311 prices

• $24.27-$43.23

specifications steeringwheelsiiz:

• for makes: Mitsubishi
• for years: 2004-2012
• mpn: Mr587311
• part type: Harness
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2004 2005 2006 2007 2008 2009 2010 2011 2012
• parts included: Only Part Reference 7 On The Diagram Is Included

shipping steeringwheelsiiz:

• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver
• type: Fixed
• class: Standard, Expedited, One-day
• carrier: UPS
• transit: 5-12 Days
• cost: $20.42

seller steeringwheelsiiz:

• city: New Port Richey, Florida
• rating: 98.6%
• # reviews: 365

returns steeringwheelsiiz:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments steeringwheelsiiz:

• other
• credit card: Mastercard
• wallet: Google-pay

offer steeringwheelsiiz:

• availability: In Stock
• options: Ship-to-home
• started: April 3, 2026
• quantity: 3
• sold: 0

general steeringwheelsiiz:

• Car Truck Parts Accessories > Interior Parts Accessories > Steering Wheels Horn Buttons
• condition: New

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