Details

• Brand:

  

  

• SKU:

  W704310-S439

• Other Names:

  Screw

• Description:

  This is a genuine Ford brake master cylinder reservoir bolt screw, catalogued in Ford's hardware and fasteners group and used across a broad range of Ford and Lincoln vehicles. It is the small threaded fastener that retains the fluid reservoir to the master cylinder body or its mounting tab, holding the reservoir steady so the feed ports stay aligned and the unit does not vibrate loose. Because it secures a brake-system component, correct retention here is important to keeping the reservoir seated and the hydraulic supply uninterrupted. Owners reach for this screw when the original has been lost or damaged during a master cylinder or reservoir replacement, when corrosion has seized or weakened the old fastener, or when a reservoir is being transferred to a replacement master cylinder and fresh hardware is needed. It is a standard-thread retaining screw used in the brake hardware family, and it installs in the original location with no modification. Manufactured to Ford specifications, it matches the original thread size and head so it seats fully and holds the reservoir at the correct position. Always confirm the threaded hole and reservoir tab are clean and undamaged before installation, and tighten to the value listed in the applicable brake service section so the reservoir is held firmly without cracking the plastic boss. Inspect the reservoir mount and feed ports for debris while the fastener is out so the unit reseats cleanly.

• Replaces:

  w704310s301, w704310s309

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