Ford Transit Mk8 Rear Axle Differential Diff RWD I=4.10 GK31-4001-FAH WARRANTY

Ford Transit Mk8 Rear Axle Differential Diff RWD I=4.10 is an original drivetrain component designed for rear-wheel drive applications in the vehicle's rear axle. The precisely selected final drive ratio ensures stable torque transmission and predictable vehicle behavior under load. This is a solution for users who expect a proven design and the maintenance of factory traction parameters.

Specifications and technical data

• SKU: 2694074
• Mark: Ford
• Condition: Used
• OEM Part Number: 2694074
• Substitutable numbers: 2694074, NK314001FGB, NK31-4001-FGB
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Technical characteristics and purpose

The presented differential belongs to the Differentials category and is dedicated for installation in the rear part of a rear-wheel drive (RWD) vehicle. The axle design with an I=4.10 ratio has been engineered to maintain a balance between acceleration dynamics and the ability to drive economically at constant speeds. Its placement in the rear axle allows for direct power transmission from the driveshaft to the wheels, while maintaining appropriate system rigidity and durability.

This type of differential is particularly important in commercial vehicles, where consistent traction parameters under varying loads are essential. A properly selected final drive ratio supports smooth starting with a load, stable behavior at low and medium speeds, and predictable drivetrain operation in both urban and extra-urban conditions.

Application in the Ford Transit Mk8 drivetrain

The Rear Axle Differential Diff RWD in the Ford Transit Mk8 is responsible for distributing torque to the rear wheels and compensating for the difference in wheel rotational speed when cornering. In practice, this translates into stable vehicle handling, reduced wheel slip, and lower stress on other drivetrain components.

The axle with an I=4.10 ratio is a beneficial choice for users who operate the vehicle in mixed conditions – both in city traffic and on long-distance routes – expecting predictable throttle response and appropriate flexibility at typical operating speeds. Using a dedicated differential allows for maintaining compliance with the factory vehicle configuration, which is important both in terms of durability and subsequent service diagnostics.

Benefits of using an original differential

Using an original differential in the Ford Transit Mk8 provides a number of practical operational benefits:

• Consistency with the factory drivetrain configuration – maintaining the correct final drive ratio and operating characteristics.
• Reduction of the risk of incorrect part selection – the differential is structurally matched to the rear axle of an RWD vehicle.
• Stable torque transmission under varying loads – essential in commercial and fleet applications.
• Simplified diagnostics – operating parameters remain within the range specified by the vehicle manufacturer.

For users who expect predictable vehicle behavior and want to avoid experimenting with non-standard ratios, choosing this differential is a safe and technically sound solution.

Ratio selection and technical support

When replacing the differential in a Ford Transit Mk8, it is crucial to match the ratio to the existing vehicle configuration to avoid issues with drivetrain operation, speedometer readings, or compatibility with electronic systems. It is worth verifying compatibility with the currently installed axle and considering actual operating conditions – frequency of driving with a load, type of routes, and preferred driving style.

To better understand the impact of axle and differential ratios on vehicle characteristics, it is worth consulting our guide. A detailed discussion on ratio selection, definitions, and practical examples can be found in the article Dismantled drive axles and differentials – how to choose ratios for your driving style, which explains the differences between individual configurations in an accessible way.

Ford rear-wheel drive zone – related components

If you are planning a comprehensive repair or upgrade of the rear-wheel drive zone in your Ford and need other components from the same group, such as axle housings, complete differentials, or additional final drive sub-assemblies, check out the available parts in the Ford Differentials category.

Modernization possibilities with used components

Replacing the differential in a Ford Transit Mk8 can also be part of a broader drivetrain modernization carried out using used components. Properly selected sub-assemblies allow for optimizing service costs while maintaining a high level of safety and functionality. It is worth paying attention to structural compatibility and the operating parameters of individual elements.

If you are considering broader vehicle modifications using used parts, practical tips on safe tuning and rational component selection can be found in the guide Tuning with used parts – how to gain performance without spending a fortune, which discusses how to combine efficiency with a reasonable budget.