Ford largely stopped using the Integrated Wheel End (IWE) on its mass-market vehicles by around model year 2020. The transition varied by model and region, with some fleets retaining IWE longer.
Integrated Wheel End refers to a pre-assembled wheel-end unit that combines the hub, bearing, and often the ABS tone ring in a single module. Ford adopted IWE to streamline production and service across multiple platforms, but evolving maintenance practices and parts strategies led to a gradual shift toward more modular hub-and-bearing designs. Because timing depended on model design cycles, regional production, and fleet configurations, there isn’t a single universal stop date for all Ford vehicles.
What is IWE and why Ford used it
IWE stands for Integrated Wheel End. In a typical IWE setup, the wheel hub, bearing assembly, and often the ABS sensor or tone ring are combined into one pre-assembled unit. This design aimed to simplify assembly in manufacturing, reduce the number of serviceable parts in the wheel-end, and standardize parts across multiple platforms. Ford implemented IWE across several trucks, SUVs, and commercial vehicles to improve consistency and manufacturing efficiency. However, the design also meant that certain maintenance and replacement steps could be more involved when issues arose in the wheel-end area.
Advantages and challenges
The main benefits cited for IWE included streamlined production costs, quicker wheel-end servicing in some contexts, and uniform parts across platforms. Challenges included repair complexity when a bearing or hub wore out, potential ABS tone-ring damage, and fleet maintenance considerations where modular replacement could be more flexible. These factors helped drive Ford and other manufacturers toward separating hub and bearing components in later designs.
Transition timeline and model notes
Below is a high-level view of how Ford’s use of IWE evolved across its lineup. Timelines varied by region and model, but the pattern reflects a move away from integrated wheel-ends in favor of modular hub/bearing assemblies in newer designs.
- Early to mid-2010s: IWE becomes common on many Ford trucks and some SUVs as part of platform-wide standardization of wheel-end components.
- Late 2010s (roughly 2018–2019): Ford begins migrating several mainstream models to modular hub-bearing assemblies, reducing reliance on IWE for new designs.
- Model year around 2020: Most mass-market Ford vehicles produced for North American markets move away from IWE in new production; remaining IWE-equipped units are typically fleet-focused, commercial, or specialty configurations.
- Post-2020: Some commercial or service-fleet applications may still use IWE variants due to procurement cycles or specific fleet requirements, but modern platforms predominantly use modular wheel-end designs.
In practice, this was a gradual phase-out rather than a single, nationwide cutoff date. Owners and fleets should check their specific vehicle’s service documentation or VIN to confirm whether the wheel-end is an integrated unit or a modular hub/bearing assembly.
Summary
Ford’s shift away from IWE occurred gradually and varied by model, region, and fleet needs, with most mass-market production moving away from integrated wheel ends by around 2020. While some fleet or specialty configurations may still use IWE variants, contemporary Ford platforms generally employ modular hub-and-bearing wheel-ends for new designs. If you own a vehicle with an older IWE setup, consult Ford’s service bulletins or a dealer to confirm the correct parts and replacement procedures for your model year.