Details

• Brand:

  

  

• SKU:

  W704942-S437

• Other Names:

  Starter Mount Bolt, Bolt Flanged Hex

• Description:

  The W704942-S437 is a genuine Ford flanged hex head bolt built on the HB2 base, an M8 by 35mm bolt that fastens the starter motor to the engine block and bellhousing. Dealer catalogs carry it under the dominant names Starter Bolt and Starter Mount Bolt, listed for both gas and diesel applications. Documented sample applications where this exact service number is cataloged include the Ford E-150, E-350 and F-350 Super Duty fitted with the 6.7L Power Stroke diesel and the 6.8L and 7.3L gas engines; treat those as representative examples rather than a complete vehicle list, because Ford reuses one starter bolt across related engines and model years and does not publish a single finite fitment chart for it. The integral flange spreads clamp load and resists loosening under the heat and vibration around the starter. The bolt threads into the block or bellhousing and is torqued to hold the starter rigidly so its drive gear engages the flywheel ring gear in correct alignment. When it is loose, stretched, corroded or missing, the starter can shift, grind on engagement, throw a misalignment fault or work free, leaving hard or no-start conditions. Replacing it with the correct genuine bolt restores secure clamping at the specified torque. Because the suffix code denotes a specific thread, length, grade and finish, confirm fit for your exact vehicle by VIN before ordering rather than relying on the sample applications above.

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