Details

• Brand:

  

  

• SKU:

  BC3Z-9Y427-C

• Positions: Left
• Other Names:

  Exhaust Heat Shield, Exhaust Manifold Heat Shield, Shield Exhaust Manifold Heat

• Description:

  This genuine Ford heat shield is the stamped-steel exhaust manifold heat shield for the left-hand side of the 6.2L gas V8, catalogued by Ford under base 9Y427 as Shield Exhaust Manifold Heat. It bolts over the driver-side exhaust manifold to reflect radiant heat away from nearby wiring, hoses, and underhood components and to protect against burns during service. The part fits Ford F-250 and F-350 Super Duty trucks with the 6.2L gas engine across the 2011 through 2022 production window on the left side, and it supersedes the earlier AL3Z-9Y427-A and BC3Z-9Y427-B versions. Owners commonly replace this shield when it rattles or buzzes at certain engine speeds because its mounting tabs have cracked from repeated heat cycling, when it has warped or corroded, or when it is missing after prior manifold work and adjacent components are cooking from unshielded exhaust heat. A loose or absent heat shield lets excessive radiant heat reach harnesses and plastic parts, accelerating their failure, and often produces an annoying metallic vibration that is easy to mistake for an exhaust leak. Because the retaining fasteners live in a high-heat, high-corrosion environment, treat them as likely single-use and inspect the mounting studs; apply anti-seize where Ford specifies and torque the fasteners evenly so the shield sits flat without buzzing. Installing this correct genuine left-side shield restores factory heat protection and eliminates the rattle. Confirm the driver-side callout for your engine before ordering, as the opposite bank uses its own shield.

• Replaces:

  al3z9y427a, bc3z9y427b

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