Details

• Brand:

  

  

• SKU:

  ML3Z-9448-B

• Positions: Left
• Other Names:

  Exhaust Manifold Gasket, Gasket

• Description:

  This is the genuine Ford left-side driver exhaust manifold gasket for 21-25 F-150, Expedition, and Lincoln Navigator, covering essentially every engine option in the lineup including the 2.7L EcoBoost, 3.0L PowerStroke diesel, 3.3L V6, 3.5L EcoBoost, 3.5L PowerBoost hybrid, 5.0L Coyote V8, and the 5.2L Predator V8. The gasket seals the exhaust manifold flange against the cylinder head mating face and contains the high-temperature, high-pressure exhaust pulses passing into the manifold or turbocharger. A failing gasket typically presents as a cold-start exhaust tick that fades as the engine warms, blackened soot trails along the manifold-to-head joint, a loss of low-end torque, a check engine light with oxygen-sensor or misfire-related codes, or a smell of unburned hydrocarbons in the engine bay. This gasket is single-use and must be replaced any time the manifold is removed for service. Clean both mating surfaces thoroughly of old material and inspect for warpage; resurface the head or manifold if either is outside Ford specification. Follow the published Ford torque sequence and final torque value. Inspect the manifold studs and nuts and replace any that are heat-blued, stretched, or showing signs of thread damage.

• Notes: Part cannot be reused/reinstalled.

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