Details

• Brand:

  

  

• SKU:

  W528207-S437

• Other Names:

  Expansion Plug, Engine Core Plug, Adapter Plug, Plug Engine

• Description:

  The W528207-S437 is a genuine Ford threaded plug built on the HP1 base, an M22 (22mm) plug that seals a drain or service port in the engine. Dealer catalogs carry it under the dominant name Plug, and the most descriptive listings call it the Engine Oil Filter Housing Drain Plug, noting a location on the cylinder block and that it is included with the oil filter adapter; it is shown as a replacement for the earlier W710975-S437. Documented sample applications where this exact service number is cataloged include the Ford Explorer, F-150 and Mustang and the Expedition and Navigator engine block, on engines such as the 3.3L, 3.5L without turbo and 3.7L, along with the Lincoln Continental and MKS and the Mercury Milan and Sable; treat those as representative examples rather than a complete vehicle list, because Ford reuses one plug across many engine families and does not publish a single finite fitment chart for it. A plug like this seals a machined port so oil or coolant stays contained; when it is stripped, cross-threaded or left loose, the port can weep or lose pressure, so replacing it with the correct genuine plug restores a proper seal. Because the suffix code denotes a specific thread size, seat and material, confirm fit for your exact vehicle by VIN before ordering rather than relying on the sample applications above. This is a multi-year service part that fits across the model years of the listed Ford applications.

• Notes: Included with adapter.
• Applications: 3.5L. 3.3L.
• Replaces:

  w710975s437

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