Details

• Brand:

  

  

• SKU:

  6E5Z-19E889-E

• Positions: Lower, Lower Upper, Lower Front
• Other Names:

  Hose & Tube Assembly O-Ring, A\/C Line O-Ring, Evaporator Tube O-Ring, Tube Assembly O-Ring, Pressure Line O-Ring, Pressure Tube O-Ring, Front Press Hose O-Ring, O Ring, yf37489

• Description:

  This is the genuine Ford air conditioning refrigerant line O-ring, the elastomeric seal that goes at the joints where refrigerant lines, hoses, and tubes bolt or spring-lock together, and it is the single item that keeps a high-pressure refrigerant and oil mixture inside the loop at every connection. The compound is chosen specifically for compatibility with modern refrigerant and refrigerant oil, which is why an ordinary rubber ring from a hardware assortment will swell, harden, and leak within a season. Verified fitment is broad and cross-platform, covering 2014 through 2024 applications including F-150, Mustang, Transit, Explorer, and Lincoln MKX, and dealer catalogs list it as A/C Refrigerant Line O-Ring. It is standard practice to renew every seal that is disturbed rather than reusing any of them, because a seal that has taken a compression set will not seat correctly a second time. Buyers looking for this part are typically dealing with an air conditioning system that slowly loses charge over weeks, a dye trace or electronic leak detector that lights up right at a line fitting, oily residue collecting around a fitting or spring-lock coupling, or a system that has just been opened for a compressor, condenser, evaporator, or accumulator replacement. Lubricate the new seal lightly with the correct refrigerant oil before assembly, never with petroleum grease, seat the coupling fully until it clicks, and evacuate the system deeply before recharging so no moisture remains to attack the new seal.

• Notes: Included with pressure line. Included with pressure tube. Included with evaporator core. Included with evaporator tube. Included with hose & tube assembly. Included with front pressure hose.
• Replaces:

  6e5z19e889b

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