Details

• Brand:

  

  

• SKU:

  JT4Z-8527-C

• Other Names:

  Exhaust Gas Re-Circulation (Egr) Cooler Seal, Ring Sealing

• Description:

  This is a genuine Ford EGR cooler O-ring, catalogued under base number 8527, used in the exhaust gas recirculation system on EcoBoost engines across several Ford and Lincoln applications. The O-ring seals a connection at the EGR cooler, sealing the joint so recirculated exhaust gas and the associated cooling circuit stay sealed where the cooler meets its mating components, preserving proper emissions control. Because the EGR cooler handles hot exhaust gas alongside engine coolant, this seal must withstand heat and pressure cycling while keeping the joint tight. Technicians replace this O-ring whenever the EGR cooler is removed or serviced, or when a leak is found at the cooler joint, since a hardened or cracked O-ring can cause exhaust or coolant leakage and EGR-related faults. Ford supplies it as a service seal to restore the factory joint, and it should be installed clean and properly seated on its mating surface. The 8527 base covers EGR and coolant sealing rings across several engines, with this O-ring matched to the EGR cooler joint on these EcoBoost applications. Built to Ford specifications, it matches the original size and cross-section for a direct fit without modification. Fitment covers EcoBoost engines across the 18-25 span. Confirm the engine and existing part number against the Ford catalog before ordering, and replace this O-ring whenever the EGR cooler joint is opened to ensure a dependable seal.

• Notes: Included with EGR cooler.

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