Phillips 890B1 Back Up Light Bulb - Front or Rear

OE-Style Back Up Light Bulb for Buick Applications

The Phillips 890B1 back up light bulb is a 12.8-volt halogen replacement built for exterior lighting service on select Buick Regal, Buick Century, and Buick Reatta applications. It uses a clear glass bulb design with a PG13 base and C-6 filament for direct-fit service where this bulb type is specified.

Phillips Standard - Single Blister Pack is the brand’s value-focused OE-style line, offering the same level of quality associated with lighting supplied to automakers around the world. The 890B1 part number is a practical choice for drivers replacing a rear or front exterior lamp bulb on confirmed applications.

Key Features

• Part number: 890B1
• 12.8V halogen back up light bulb
• Clear glass bulb with clear finish
• PG13 bulb base type
• Single-filament C-6 design
• DOT approved for road use
• 27-watt output and 2.109375-amp rating
• Standard fog lamp bulb type listed for exterior lighting service

Detailed Product Information

This Phillips 890B1 bulb is designed for exterior lighting replacement where a clear halogen bulb with PG13 base is required. Its compact 2.75-inch length and 0.35-inch diameter support proper fitment in the specified lamp housing, while the glass construction and standard halogen technology provide the familiar lighting characteristics expected in OE-style service parts. For buyers searching for a Buick Regal back up light bulb, Buick Reatta exterior bulb, or Buick Century lighting replacement, this part number is a direct reference point for the listed applications.

This part cross-references Gates 78740 for the same application.

Vehicle Fitment

• Fits 1988-1995 Buick Regal, front.
• Fits 1993-1995 Buick Regal, N/A.
• Fits 1988-1991 Buick Regal, N/A.
• Fits 1993 Buick Century, N/A.
• Fits 1988-1991 Buick Reatta, N/A.
• Fits 1988-1991 Buick Reatta, front.
• Fits 1989 Buick Regal, rear.

Installation Notes and Tips

Confirm the bulb base, voltage, and lamp housing requirements before installation. Handle the glass bulb carefully and avoid touching the glass surface with bare fingers, as residue can shorten bulb life. Verify the lighting position on the vehicle and compare the removed bulb to the 890B1 before installation.

Quality Assurance

Phillips Standard lighting parts are built to meet the expectations of OE-style replacement service and this bulb is DOT approved. The 890B1 is intended for buyers who want a straightforward exterior lighting replacement with established brand support and application-specific fitment.