Philips 4257NACP Parking Light Bulb - Front or Rear

Philips Parking Light Bulb for Ford F-150

The Philips 4257NACP parking light bulb is a direct-fit exterior lighting replacement built for vehicles that use a dual-filament amber bulb with a W2,5x16q base. It delivers the correct 12.8/14V and 21/7W specifications for parking and signal-light applications, helping maintain proper front lighting performance on Ford F-150 models and the Ford F-150 Lightning.

Key Features

• Philips Standard range exterior lighting bulb
• Part number 4257NACP for easy identification
• Amber bulb color for parking light applications
• Dual-filament design with 21/7W output
• W2,5x16q base with 4-contact, push-type configuration
• 12.8/14V electrical specification for automotive use
• Fits 2020-2022 Ford F-150, front
• Fits 2024 Ford F-150 and 2024 Ford F-150 Lightning, N/A position

Product Details

Philips Standard line lighting products are positioned as practical replacement parts for everyday vehicle maintenance, with a focus on correct fit and dependable function. The 4257NACP is an amber parking light bulb that uses a dual-filament layout, making it suitable for lighting circuits that require separate brightness levels in one bulb. If you are replacing a front parking light bulb on a Ford F-150 or servicing the exterior lighting on a Ford F-150 Lightning, this bulb matches the listed base, contact, voltage, and wattage specifications.

This part number, 4257NACP, is a straightforward choice for drivers and technicians looking for a Philips exterior bulb with the proper OE-style electrical and base configuration. It cross-references Philips 4257A for the same application.

Common Issues This Bulb Can Address

• Dim or non-functioning front parking light output
• Amber exterior bulb failure in the lighting circuit
• Incorrect bulb base or contact configuration during replacement
• Uneven front lighting appearance after bulb wear
• Restoring proper parking light operation on Ford F-150 lighting systems

Installation Notes and Tips

Verify the bulb base type, contact count, and voltage rating before installation to confirm the correct match for the vehicle socket. Handle the bulb carefully during installation and make sure the connector seats fully in the housing. For best results, compare the removed bulb to the new Philips 4257NACP before fitting it to the Ford F-150 or Ford F-150 Lightning.

Quality Assurance

Philips Standard lighting is built around application-specific replacement needs and consistent electrical specifications. The 4257NACP is manufactured to support proper exterior lighting function when the original parking light bulb is worn or no longer operating as intended.