Details

• Brand:

  

  

• SKU:

  JL3Z-9424-B

• Positions: Lower
• Other Names:

  Engine Intake Manifold, Manifold Assembly Inlet

• Description:

  This is the Genuine Ford lower intake manifold used across a wide span of 11-25 Ford applications on the 3.5L EcoBoost engine family. It is the lower casting that mates to the cylinder heads and provides the runner geometry, injector bosses where applicable, sealing surfaces, and the structural mating face for the upper intake. The part supersedes earlier service numbers including BR3Z-9424-A, BR3Z-9424-F, CL3Z-9424-C, and CL3Z-9424-D, consolidating the service replacement for this casting across the production span. A correct lower intake is essential because runner geometry and sealing surface flatness directly affect cylinder fill and idle stability. Replacement is a substantial service item that includes new manifold gaskets, fresh fasteners where specified, and a careful inspection of related fuel and vacuum lines. Install with clean sealing surfaces, the Ford-published torque sequence, and a scan tool clear of stored trims so the engine adapts cleanly to the freshly sealed intake. Verify there are no vacuum leaks at idle before returning the engine to load.

• Replaces:

  br3z9424a, br3z9424f, cl3z9424c, cl3z9424d

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