Details

• Brand:

  

  

• SKU:

  W712743-S439

• Positions: Front Outer Outer, Front Outer Inner, Front Outer Lower, Outer, Outer Inner, Outer Lower, Inner Outer, Inner, Inner Lower, Lower Outer, Lower Inner, Lower, Front Inner Outer, Front Inner Inner, Front Inner Lower
• Other Names:

  Differential Carrier Bolt, Differential Housing Bolt, Axle Housing Bolt, Bolt

• Description:

  This Genuine Ford differential carrier outer bolt (W712743-S439) is documented for Ford Expedition, F-150 and Lincoln Navigator 4WD across multiple model years. This is a Genuine Ford differential carrier outer bolt, the fastener that secures a front differential carrier or axle housing at its outer mounting position in four-wheel-drive front axle assemblies. It uses the standard Ford W-series bolt base in an M14-class size and is a multi-vehicle driveline service part shared across many platforms rather than one model; it is the outer-position sibling to the inner carrier bolt. Ford lists it as a Differential Carrier Outer Bolt, and dealer parts data also shows it as a differential housing bolt or axle housing bolt. When this bolt is loose or missing the carrier or housing can shift, producing clunks, vibration and front-driveline misalignment. Correct torque keeps the carrier clamped. Ford service procedures specify this fastener as single-use; it is torqued to a yield-controlled spec and must be replaced rather than reused once removed, so plan on a fresh piece any time the joint is disturbed. Ford does not publish a finite vehicle list for this universal hardware item, so confirm the exact application against your VIN before ordering so the thread, length and grade match your front axle.

• Notes: Part cannot be reused/reinstalled.

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