M-4026-FA FORD PERFORMANCE Quaife Differential Kit Fiesta

Review FORD PERFORMANCE Quaife Differential Installation Kit for FIESTA ST

Ford Performance Quaife ATB Differential Kit (M-4026-FA) for Fiesta Mk7 & Mk8 (2011-2017)

The Ford Performance Quaife ATB Differential Kit (M-4026-FA) is an excellent upgrade for the Ford Fiesta Mk7 and Mk8 models produced between 2011 and 2017. This kit transforms the standard open differential into a more advanced and capable limited-slip differential, delivering enhanced traction, stability, and performance.

The Quaife ATB Differential is an Automatic Torque Biasing (ATB) unit, which means it provides the benefits of both a limited-slip and an open differential. This design allows power to be distributed efficiently between the wheels according to the current driving conditions. Torque is automatically biased to the wheel with the most traction, ensuring optimal grip and stability.

1. Upgraded internals: The Quaife ATB Differential features stronger internals than the standard differential, capable of handling increased power and torque.

2. Limited-slip performance: The ATB design provides the benefits of a limited-slip differential, allowing power to be distributed evenly between the wheels for improved traction and stability.

3. Automatic biasing: The Quaife ATB Differential automatically adjusts torque distribution based on the current driving conditions, ensuring optimal grip and stability.

4. Easy installation: The Ford Performance Quaife ATB Differential Kit comes with all necessary components for a straightforward installation.

5. Compatibility: This kit is specifically designed for the Ford Fiesta Mk7 and Mk8 (2011-2017) models.

By upgrading to the Ford Performance Quaife ATB Differential Kit (M-4026-FA), Fiesta owners can expect improved handling, better traction, and increased overall performance. This kit is an essential modification for those looking to take their Fiesta to the next level.

The Quaife Automatic Torque Biasing Differential (ATB-DQ) Kit for the Ford Fiesta M-4026-FA is a popular aftermarket upgrade among performance enthusiasts. This differential kit aims to improve traction and handling by automatically distributing engine torque between the wheels. Here are some pros and cons of investing in this kit.

1. Enhanced Traction: The Quaife ATB-DQ differential kit provides a significant improvement in traction, especially during cornering and acceleration. It allows power to be distributed to the wheel with the most grip, reducing wheel slip and improving overall vehicle performance.

2. Improved Handling: With better traction, your Fiesta will experience improved handling. The vehicle will feel more responsive and stable, making it more enjoyable to drive.

3. Reduced Tire Wear: By ensuring that power is delivered efficiently to the wheels, the Quaife ATB-DQ kit can help reduce tire wear. Tires will last longer, saving you money in the long run.

4. Suitable for Various Driving Conditions: The Quaife ATB-DQ kit is suitable for various driving conditions, including dry, wet, and snowy roads. It can help improve traction in all situations, making your Fiesta a more versatile vehicle.

1. Cost: The Quaife ATB-DQ kit can be quite expensive, especially compared to other differential upgrades. The cost may be a significant deterrent for some buyers.

2. Installation Complexity: Installing the Quaife ATB-DQ kit requires a fair amount of mechanical expertise. It is not a DIY job for most people and will likely require professional installation.

3. Potential Noise: Some users have reported increased noise levels after installing the Quaife ATB-DQ kit. This noise can be bothersome for some, but it is generally considered a minor issue.

The Quaife Automatic Torque Biasing Differential Kit for the Ford Fiesta M-4026-FA offers several advantages, including enhanced traction, improved handling, and reduced tire wear. However, it comes with a hefty price tag and requires professional installation. If you are looking for a significant performance upgrade for your Fiesta and have the budget for it, the Quaife ATB-DQ kit is an excellent choice. If the cost is a concern, you may want to consider other, less expensive differential upgrades. Ultimately, the decision to invest in this kit depends on your personal preferences, driving habits, and budget.

Details:

specifications differentialsdepo:

• for models: St, Fiesta
• brand: Ford Performance
• mpn: M-4026-fa

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• # reviews: 2
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• city: baltimore, maryland

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• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

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• started: january 7, 2026
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• sold #: 12
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