Ford Ranger V 2.2 TDCI 4x4 Front Axle Differential I=3.55 AB39-3B079-AC WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Ford Ranger V 2.2 TDCI 4x4 Front Axle Differential I=3.55 is an original drivetrain component from the Differentials category, designed for the front axle in 4x4 versions with a diesel engine. This used front differential with the maintained I=3.55 gear ratio allows for a technically sound repair or reconstruction of the drivetrain without interfering with the vehicle's factory design. It is a solution for users who expect consistency in the operation of the drive axle with the rest of the 4x4 system and predictable vehicle behavior both off-road and on asphalt.

Specifications and technical data

• SKU: 1806705
• Mark: Ford
• Condition: Used
• OEM Part Number: 1806705
• Substitutable numbers: 1806705, AB393B079AC, AB39-3B079-AC
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Differentials

Purpose and function in the drivetrain

The front differential in the Ford Ranger V 2.2 TDCI 4x4 is responsible for torque distribution between the front wheels, ensuring smooth cornering and stable power transmission in 4x4 mode. The applied I=3.55 gear ratio is crucial for maintaining compatibility with the rear axle and transfer case, which translates into the proper operation of the entire drivetrain in a diesel-powered vehicle.

This component is dedicated to installation at the front of the vehicle, in four-wheel-drive configurations where consistency of gear ratios and operating characteristics with the diesel unit is required. As a result, the driver maintains predictable acceleration, appropriate dynamics, and traction stability both when driving with a load and in off-road conditions.

Benefits of using an original differential

Using an original front differential in the Ford Ranger V offers a number of practical advantages:

• preservation of the factory I=3.55 gear ratio, which reduces the risk of overloads in the 4x4 system,
• consistent cooperation with the diesel engine and the rest of the drivetrain,
• appropriate traction characteristics when driving with a trailer or cargo,
• the ability to restore the factory configuration without the need to modify other components.

For workshops and individual users, this means easier diagnostics, predictable installation, and a lower risk of compatibility issues compared to random replacements with different gear ratios.

Application in 4x4 diesel vehicles

The differential has been designed to work with the 2.2 TDCI diesel unit and four-wheel drive, which is significant for the loads carried by the transmission. The torque characteristics of a diesel engine require a properly selected gear ratio to limit excessive wear of mechanical components and ensure smooth starting, especially when working off-road or with a load.

In practice, this means that with a correctly selected front differential, the 4x4 system maintains stability, and the vehicle handles better on slippery surfaces, in light off-road conditions, and during maneuvers with engaged 4WD. This is particularly important in commercial vehicles, where repeatability and predictability of vehicle behavior are essential.

Gear ratio selection and technical support

When replacing the front differential, it is crucial to match the gear ratio to the existing rear axle and transfer case. To better understand the relationships between gear ratios, driving characteristics, and drivetrain durability, it is worth consulting specialist materials. A detailed discussion of the topic can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which describes practical configuration examples and the most common mistakes when selecting drivetrain components.

Condition, origin, and economic aspect

The offered differential is a used part, which allows for economical repair while maintaining the manufacturer's original specifications. In many cases, using original used parts is a beneficial compromise between cost and durability, especially in vehicles used intensively, such as the Ford Ranger V.

If you are interested in the impact of using original used components on the vehicle's later value, it is worth reading the guide Original used parts and resale value – how not to lose money?, which discusses how selecting the right components translates into the perceived quality of the car when selling.

Expanding repairs within the Ford drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Ford and need other components from the same group, such as axles, transmissions, or other differentials, check the available parts in the Ford Differentials category.