Philips WT21WCP Back Up Light Bulb

Philips WT21WCP Back Up Light Bulb

The Philips WT21WCP is a 12.8V, 21W back up light bulb built for exterior reverse-light applications that require a clear, push-type bulb with a W2,5x16q base. Philips Standard range focuses on practical value and straightforward replacement performance for everyday vehicle lighting service.

Compatible With Ford Bronco Sport, Ford Bronco, Ford F-150, Ford F-250 Super Duty, and Ford F-350 Super Duty applications where the original bulb specification matches this design. The WT21WCP part number is also a useful reference when comparing OE-style reverse light bulb options for Ford back up lamp service.

Key Features

• Philips Standard range back up light bulb for exterior lighting replacement
• Clear bulb color for reverse lamp applications
• 12.8V operating voltage and 21W wattage
• Push-type design with W2,5x16q bulb base
• 2-filament construction with 4 contacts
• WT21WCP part number for accurate catalog matching

Product Details

This Philips WT21WCP back up light bulb is intended for vehicles that use a clear, push-in reverse bulb with the listed electrical and base specifications. It is a direct-fit style service part for Ford rear exterior lighting systems where the original bulb option calls for this configuration. The WT21WCP designation helps confirm the correct bulb type when servicing Ford Bronco Sport, Ford Bronco, and Super Duty truck reverse lamps.

Philips Standard range is positioned as a value-focused lighting line for routine replacement needs, offering a practical option for drivers and technicians who want to match the original bulb format without changing the lamp design. The WT21WCP is a straightforward choice for back up light maintenance on Ford F-150 and Ford Super Duty platforms.

Common Issues This Bulb Can Address

• Dim or non-functioning reverse light output
• Failed back up lamp bulb inspection
• Bulb replacement after filament wear or breakage
• Restoring rear visibility when shifting into reverse
• Replacing a clear push-type bulb with the correct base and wattage

Installation Notes and Tips

Verify the original bulb base, voltage, wattage, and contact layout before installation. Compare the existing bulb to the WT21WCP and confirm the vehicle’s reverse lamp specification, especially on Ford Bronco Sport and Ford Super Duty models where bulb options can vary by application. Handle the bulb carefully during installation and make sure the lamp housing is properly seated after replacement.

Quality Assurance

Philips Standard range is built as an economical replacement line for common lighting service needs. Use the WT21WCP part number to confirm the correct back up light bulb specification for your Ford application before installation.