Industrial 4C4Z-3C602-AA Power Steering Filter

Blue Diamond 4C4Z-3C602-AA is a spin-on power steering filter designed for Ford steering systems, delivering clean hydraulic fluid to protect the steering pump and gear from wear-causing particulates. The unit is identified by the part number 4C4Z-3C602-AA and is listed across multiple catalogs as a Ford power steering filter, with cross-references including Wix 57191 for the 2015 Ford F-650, Fleetguard HF35448, and Luber-Finer LFH4984, indicating broad compatibility with Ford and related International configurations. In heavy‑duty applications such as Ford commercial trucks, this filter is cataloged in references like Sakura Filter PC-57010, underscoring its role as a dedicated Ford power steering filter. The branding and model-code consistency—Blue Diamond and 4C4Z-3C602-AA—reflect its positioning as a genuine-style replacement used to maintain steering performance and extend hydraulic system life by removing contaminants from the power steering fluid.