Details

• Brand:

  

  

• SKU:

  W506545-S439

• Positions: Left Lower, Left Upper, Right Lower, Right Upper, Rear Lower Lower, Rear Lower Upper, Rear Upper Lower, Rear Upper Upper, Lower, Lower Upper, Upper Lower, Upper
• Other Names:

  Shock Lower Bolt, Shock Upper Bolt, Shock Bolt, Lower Control Arm Mount Bolt, Mount Bracket Mount Bolt, Suspension Control Arm Bolt, Suspension Shock Absorber Bolt, Shock Mount Bolt, Bolt

• Description:

  This is a genuine Ford standardized service bolt carrying the W506545-S439 service number, built on the HB1 base and cataloged as an upper control arm mounting bolt. It replaces the earlier W506545-S426 and is a hardened suspension bolt Ford pools across control arm and bracket attachments. A real application that shares this exact service number is the Ford F-150, and it appears on other configurations because Ford consolidates common threaded hardware under one number while updating to the current revision. This is a single-use fastener that Ford specifies cannot be reused or reinstalled once loosened, and a fresh one should be fitted on reassembly. Because it clamps an upper control arm, a bolt that is loose, missing or reused past its yield point lets the arm shift in its mount, which shows up as clunking over bumps, changes in alignment, uneven tire wear and vague steering. Suspension fasteners like this are torqued to specific values and are not meant to be reused once loaded. Because Ford lists this single service number against several model years and configurations, confirm the exact fit for your vehicle against your VIN before ordering so the length and grade match your control arm mount.

• Notes: Part cannot be reused/reinstalled.
• Replaces:

  w506545s426

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