Details

• Brand:

  

  

• SKU:

  W716490-S450B

• Positions: Left Rear, Right Rear, Front Rear
• Other Names:

  Seat Back Frame Nut, Nut And Washer Assembly Hex

• Description:

  This is a genuine Ford nut and washer assembly, a hex nut with a captive washer built on the HN1 base that Ford dealer catalogs list under several names including Wiper Arm Nut, Wiper Motor Nut, and Seat Back Frame Nut, all referring to the same multi-role fastener. It threads onto a stud and the captive washer spreads clamp load so the nut holds a wiper arm, wiper motor, or seat back frame component firmly in place and resists loosening under vibration. You will find it used across a range of Ford and Lincoln applications including Bronco, F-150, Ranger, Edge, Aviator, Continental, and MKX, with applications spanning a broad range of model years. These are representative examples rather than a complete list, since Ford shares this hardware across more than one position. A loose, missing, or corroded nut lets the wiper arm, motor, or seat component it secures shift, which depending on the location can cause a wiper arm that slips on its splines, a loose wiper motor, or a loose seat back frame fastener, and in the wiper case can stop the blade from sweeping correctly. Because the wiper and seat positions have specific torque requirements, the nut must be installed correctly and torqued to the Ford specification for its position. Confirm the exact fastener required for your specific vehicle and position against your VIN before ordering, since coverage varies by application.

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