Details

• Brand:

  

  

• SKU:

  HL3Z-6065-A

• Other Names:

  Bolt, Bolt Hex.Head

• Description:

  Genuine Ford OEM cylinder head bolt part number HL3Z-6065-A, a torque-to-yield single-use fastener that secures the cylinder head to the engine block. This head bolt fits 17-18 Ford F-150 trucks equipped with the 3.5L GTDI EcoBoost twin-turbo V6 engine. The bolt is torque-to-yield, meaning it stretches into its plastic deformation range under final torque to maintain clamping force across thermal cycles. Once removed, the bolt cannot be reused and must be replaced with a new fastener. A complete head service requires the full group of head bolts called out in the workshop manual, which specifies the exact bolt count and torque sequence including angular rotation steps. Reusing torque-to-yield bolts commonly causes head gasket failures shortly after service because the bolts do not return to spec under repeated torque cycles. The bolt ships dry without pre-applied thread sealant or lubricant; service technicians should apply clean engine oil to the threads before final torque per the workshop manual. Genuine Ford head bolts maintain the factory thread pitch, head diameter, and material specification. Ships in original Ford packaging with the standard Ford limited parts warranty.

• Applications: 3.5L.

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