Ford W704277S439 (Spring Nut):

Vehicle Fitment:
This nut fits a wide variety of Ford models ranging from 2008 to 2025.
Common models include:
Ford Expedition (2015-2017, 2022-2024)
Ford Explorer (2011-2023)
Ford F-150 (2015-2023)
Ford F-150 Lightning (2022-2023)
Ford Fiesta (2011-2019)
Ford Flex (2009-2019)
Ford EcoSport (2018-2022)
Ford Edge (2015-2024)
It is used in various positions including front lower, left inner, left front, left upper, right lower, right inner, right front, right upper, front inner, and front upper.
It's commonly included with components such as:
Valance
Air duct
Wheel flare
Lower shield
Fender liner
Reinforcement
Underbody shield

2. Ford W710763S450B (Screw):
Size: This screw is often described as an M4 screw.
Vehicle Fitment:
It fits various Ford models and is used for securing different parts.
Common models include:
Ford Bronco (2018-21, 2024-25)
Ford EcoSport (2018-21, 2024-25)
Ford Edge (2022)
Ford F-250 Super Duty (2021)
Ford E-350 Super Duty (2021)
Lincoln Navigator (2023)
It's used in positions like left lower, left front, right lower, and right front.
Specific applications include:
Securing the fog lamp bezel
Attaching the bumper corner cover
Securing the floor pan splash shield
Used with fender liners
Used on bumper trim