Sylvania 4257NALL.TP Parking Light Bulb - Front or Rear

Sylvania Long Life Parking Light Bulb

The SYLVANIA Long Life miniature bulb is built for exterior auxiliary lighting where dependable output and reduced maintenance matter. This amber incandescent parking light bulb is a direct choice for turn signal and side marker applications on select Ford trucks and vans, including Ford F-150, F-250 Super Duty, and F-350 Super Duty fitments.

Part number 4257NALL.TP is part of the SYLVANIA Long Life 10 Pack line, a product family focused on standard-performance replacement bulbs with durability in mind. If you are replacing a parking light bulb on a Ford F-150 with LED headlights or a Ford Super Duty front marker light, this bulb line is built for straightforward OE-style service.

Key Features

• Amber incandescent miniature bulb for exterior auxiliary lighting
• Standard-performance replacement for parking light, turn signal, and side marker use
• Long Life product line focused on durability and lower maintenance
• Direct fitment for select Ford F-150, F-250 Super Duty, F-350 Super Duty, and E-350 Super Duty applications
• Part number 4257NALL.TP for accurate ordering and catalog matching

Detailed Description

SYLVANIA Long Life bulbs are engineered for drivers who want a dependable replacement for factory-style exterior lighting. This amber parking light bulb supports visibility in turn signal and side marker positions and is listed for multiple Ford truck and van applications across 2018-2025 model years. Use it when you need a replacement bulb that matches the original auxiliary lighting function without changing the vehicle’s lighting setup.

Compatible With 2023-2025 Ford F-350 Super Duty, front; 2023-2024 Ford F-250 Super Duty; 2023 Ford E-350 Super Duty, front; 2023 Ford F-150 without LED Turn Signal; 2020-2022 Ford F-150; 2022 Ford F-250 Super Duty, front; 2020 Ford F-250 Super Duty, front; 2021 Ford F-350 Super Duty, rear; 2019 Ford F-150, front with LED Headlights; and 2018 Ford F-350 Super Duty, front with Factory Halogen Headlights. Part number 4257NALL.TP is also referenced as Sylvania 4257NALL.TP for the same application.

Common Uses

• Replacing a dim or failed parking light bulb
• Restoring turn signal or side marker illumination
• Addressing exterior auxiliary lighting warnings caused by bulb failure
• Maintaining amber front or rear signal visibility on select Ford trucks and vans
• Servicing OE-style lighting on Ford F-150 and Super Duty models

Installation Notes and Tips

Verify bulb type and socket match before installation, especially on Ford F-150 configurations with LED headlights or without LED turn signal equipment. Handle the bulb carefully during installation and confirm proper operation after replacement. Always compare the existing bulb number and vehicle lighting configuration to the catalog listing for the most accurate application match.

Quality Assurance

The SYLVANIA Long Life line is positioned for durable, lower-maintenance replacement lighting with standard performance for interior and exterior auxiliary applications. Part number 4257NALL.TP is cataloged for select Ford fitments and supports OE-style service expectations for parking light and signal bulb replacement.