Ford Transit Custom Rear Axle Suspension Leaf Spring FK21-5560-AC

Ford Transit Custom Rear Axle Suspension Leaf Spring is a component from the Leaf springs and springs category, designed for the rear axle of the popular Ford commercial vehicle. It is a robust suspension component responsible for stable vehicle handling, safe load transfer, and predictable vehicle behavior under load.

Specifications and technical data

• SKU: FK21-5560-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: FK21-5560-AC
• Substitutable numbers: FK21-5560-AC, FK215560AC, 2359769
• Location on the vehicle: Rear
• Part type: Leaf Spring
• Category: Leaf & Coil Springs

Purpose and function in the vehicle

The rear leaf spring in the Ford Transit Custom operates within the rear axle suspension system, where it is responsible for supporting the body, damping deflections, and maintaining proper wheel geometry. The vehicle placement specified as rear means that the component works with the axle beam and suspension mounts in the rear part of the vehicle, stabilizing the vehicle both when driving with a load and when empty.

In practice, a correctly selected leaf spring translates into:

• more predictable vehicle behavior during braking and acceleration,
• even distribution of loads on the frame and body,
• reduction of body roll during maneuvers and on uneven surfaces.

Technical characteristics and fitment

The presented leaf spring is a component dedicated to a specific Ford Transit Custom suspension configuration, which facilitates matching to factory mounting points. Using the original design from the Leaf springs and springs category allows for maintaining performance parameters close to factory specifications, without the need to modify other suspension components.

For correct part selection, it is crucial to pay attention to:

• compatibility with the body version and rear axle configuration,
• type of suspension used (leaf spring on the rear axle),
• placement on the vehicle specified as rear.

A component configured in this way allows for efficient installation in place of a worn-out leaf spring, while maintaining the correct position and operation of the entire system.

Component condition and service application

The leaf spring is offered as a used part, which makes it an attractive service solution in situations where the priority is to reduce repair costs while maintaining functionality. This type of component will work particularly well in:

• post-accident repairs of the rear suspension,
• maintenance service of fleet vehicles,
• quick replacement of a damaged or excessively worn leaf spring.

Using the original Ford design solution allows for maintaining the consistency of the suspension system with other elements, such as mounts, bushings, or the rear axle beam.

Benefits of using a dedicated rear leaf spring

Choosing a rear leaf spring designed for the Ford Transit Custom translates into a number of practical benefits in daily vehicle operation:

• Stability under load – proper leaf spring operation limits excessive deflection when fully loaded, which improves vehicle control.
• Better ride comfort – appropriately selected deflection characteristics help in damping unevenness, which is important when driving with a load frequently.
• Safe handling – maintaining rear axle geometry promotes even tire wear and driving stability.
• Consistency with factory suspension – no need to adapt other system components.

Expansion and modernization of the Ford suspension system

If you are planning a comprehensive repair or modernization of the rear axle suspension zone in your Ford and need other components from the same group, such as additional leaves, leaf springs, or mounting brackets, check the available parts in the Ford Leaf springs and springs category.

Summary

Ford Transit Custom Rear Axle Suspension Leaf Spring is a practical service solution for users and fleets that intensively use this model. Its dedicated design for the rear suspension, compatibility with the factory construction, and the possibility of use in maintenance repairs make it a functional choice for restoring the proper operation of the leaf spring system in the Ford Transit Custom.