Details

• Brand:

  

  

• SKU:

  ML3Z-8310-D

• Positions: Front Right, Right
• Other Names:

  Deflector Air

• Description:

  This Genuine Ford ML3Z-8310-D is the upper radiator coolant hose for 21-25 F-150 applications. The molded EPDM rubber hose carries hot coolant from the engine thermostat housing to the upper radiator tank, maintaining the cooling circuit flow path under pressurized engine coolant operation across the full temperature range. The molded shape includes the specific bends and length the engine bay routing requires so the hose seats against the engine and radiator end fittings without strain on the spring clamps. Owners replace this hose when a coolant leak appears at one of the clamp ends from a weeping rubber connection, when age and heat cycling have caused the hose to soften and balloon under pressure, when a coolant leak traces to a split or crack along the hose body, when a thermostat replacement service includes the upper hose as a preventive replacement, or when a head gasket repair requires the hose to be removed and the original is hardened beyond reuse. Installation requires the cooling system to be drained, the original spring clamps released and the hose pulled off both fittings, the new hose seated against the same fittings, and fresh clamps applied before the system is refilled with fresh coolant.

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