Details

• Brand:

  

  

• SKU:

  N605784-S437

• Other Names:

  Pulley Bolt, Engine Water Pump Pulley Bolt, Pulley Screw, Bolt

• Description:

  This genuine Ford hex bolt with integrated washer secures the power steering pump pulley to the pump shaft, keeping the pulley clamped tight so the serpentine belt can drive the pump without slipping or wobbling. It is a shared service fastener used across a wide range of Ford, Lincoln, and Mercury vehicles, including Explorer and Explorer Sport Trac with the 4.0L, 4.6L, or 5.0L engine, Mustang with the 4.0L V6, Ranger with the 3.0L or 4.0L engine, and Mercury Mountaineer with matching engine options, spanning multiple model generations rather than one specific year range. Owners look for this bolt when the original fastener backs out, strips its threads, or shows corrosion after years of underhood heat cycling, which can let the power steering pulley wobble, squeal, or throw the belt off track and lead to a loss of power steering assist. A loose or failing pulley bolt often shows up as a rattling or clicking noise from the front of the engine at idle, or a squeal that changes pitch with engine speed. Because this is a machine bolt with a captive washer, it is a standard replacement fastener rather than a stretch bolt, though it should still be torqued to factory specification when reinstalling the pulley to keep the belt drive properly aligned. No painting, core exchange, or programming is required for this hardware item.

• Replaces:

  n605784s309, n605784s437m

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