Details

• Brand:

  

  

• SKU:

  W701706-S900

• Positions: Left, Right
• Other Names:

  Exhaust Manifold Nut, Nut Hex Flanged

• Description:

  The W701706-S900 is a genuine Ford nut from the W701706 service family, cataloged under the dominant name Manifold Nut and used to retain the exhaust manifold to its mounting studs. The W701706 base spans several suffix variants that all serve as manifold nuts, and this S900 variant is cataloged for later applications, with dealer-catalog coverage spanning many recent model years; treat the year coverage as representative rather than a complete vehicle list, because Ford reuses one manifold nut across many engines and model years and does not publish a single finite fitment chart for it. An exhaust manifold nut clamps the manifold flange to its studs against high heat and constant thermal cycling, so it is typically a hardened or coated nut rather than a generic fastener, and a fresh nut is normally used on reassembly to ensure a reliable clamp. When one is loose, seized, corroded or missing, the manifold can leak exhaust, tick on cold start, or warp at the flange, and a buyer resealing a manifold often replaces the full group of nuts along with the studs and gasket. Replacing it with the correct genuine nut restores an even, gas-tight clamp at the flange. Because the suffix code denotes a specific thread size, material and finish, confirm fit for your exact vehicle by VIN before ordering rather than relying on the year coverage above.

• Notes: Part cannot be reused/reinstalled.

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