Details

• Brand:

  

  

• SKU:

  W702597-S

• Description:

  This is a genuine Ford rubber O-ring seal used in the engine and fuel-side sealing of the 4.0L V6 application found in the Explorer, Explorer Sport Trac, Mountaineer, Mustang, and Ranger built across the 98-11 window. The O-ring sits in a machined groove and forms a compression seal between two mating components, blocking fluid or vapor from weeping past the joint while allowing the parts to be serviced and reassembled. It appears on Ford timing and fuel-system diagrams for the 4.0L engine family, where a soft, correctly sized elastomer ring is required to keep the connection leak-free. Owners typically replace this seal when they notice a small fluid seep, a fuel or oil odor, or a weeping joint after a component has been removed and reinstalled, since the original ring takes a compression set and will not reseal once disturbed. It is a single-use soft seal: the old ring should always be discarded and a fresh one fitted whenever the joint is opened. Manufactured to Ford material and dimensional specifications, it matches the original cross-section and bore so it seats fully without pinching or rolling. Lubricate the new ring lightly with a compatible assembly lube before installation, seat it squarely in its groove, and avoid nicking it on threads or sharp edges during reassembly. Always verify the groove and mating surface are clean and free of old debris so the new seal can achieve a full, even contact face.

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