


The spark plug tube seal seals the spark plug tube area on the engine. It helps prevent engine oil from entering the spark plug wells, helping keep the spark plug installation area clean and supporting stable ignition system operation.
Product name: Ford Mondeo 2.5 spark plug tube seal
Part number: YF1Z6C527AA
Replacement part number: 3M4Z6C527AA
Brand: OEM
Part type: Spark plug tube seal, spark plug tube gasket
Vehicle: Ford Mondeo
Engine: 2.5L V6
Model years: 2003–2007; verify by production date
Installation location: Spark plug tube area on the engine
Component type: Sealing gasket
Condition: New
Ford identifies part number YF1Z6C527AA as a spark plug tube seal. This part number is also listed for 2001–2004 Ford Escape 3.0L V6 models and some other Ford and Mercury models.
Part number YF1Z6C527AA is suitable for 2003–2007 Ford Mondeo 2.5 models. Before ordering, compare the number on the old seal and check the production date and VIN.
Seals the spark plug tube area.
Helps prevent engine oil from leaking into the spark plug wells.
Helps protect the spark plug installation area and ignition system connectors.
Helps keep the spark plug installation area clean and dry.
Part number: YF1Z6C527AA.
Technical names: Spark plug tube seal or spark plug hole seal.
Designed for the sealing location on the engine.
Check the dimensions and part number before replacement.
2003–2007 Ford Mondeo 2.5L V6: verify fitment using the VIN and the part number on the existing seal.
2001–2004 Ford Escape 3.0L V6: listed in the parts catalog for this part number.
If you find oil in the spark plug wells, inspect the spark plug tube seals and valve cover gasket to identify the source of the leak. When replacing the seal, clean the installation area and check the condition of the spark plug tubes before refitting.
Compare part number YF1Z6C527AA with the existing part, or provide your VIN to confirm the correct spark plug tube seal for your Ford Mondeo 2.5.
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