Phillips 9055B1 Fog Light Bulb - Front

Phillips 9055B1 Fog Light Bulb Overview

The Phillips 9055B1 is a 12-volt halogen fog light bulb built for clear, street-legal exterior lighting performance. It uses a PZ20d base, blade pin terminals, and a 55-watt output to match the original equipment style used on select Cadillac DTS, Cadillac XLR, and Jeep Grand Cherokee applications.

Phillips Standard - Single Blister Pack is the brand line for OE-quality replacement lighting. It is positioned as a direct-value option for drivers who want factory-style fit and lighting characteristics without changing the vehicle’s original fog lamp setup.

Key Features

• Part number 9055B1 fog light bulb for exterior lighting replacement
• 12V halogen bulb with clear glass construction
• 55W output with a single filament C-6 design
• PZ20d bulb base with 2 blade pin terminals
• DOT approved and street legal
• OE-style replacement for select Cadillac DTS, Cadillac XLR, and Jeep Grand Cherokee models

Detailed Product Description

Phillips 9055B1 is a standard halogen fog lamp bulb engineered to deliver the same original equipment quality associated with Philips lighting supplied to automakers. The clear bulb finish, glass material, and 12-volt electrical rating support consistent fog light operation in factory-style housings. For shoppers searching for a Philips 9055B1 fog light bulb for 2006-2011 Cadillac DTS or a replacement fog lamp bulb for 1999-2002 Jeep Grand Cherokee, this part matches the listed applications and maintains the original bulb format.

Compatible With 2006-2011 Cadillac DTS, front; 2004-2008 Cadillac XLR, for vehicle with Lamp Fog, ECE Requirements; and 1999-2002 Jeep Grand Cherokee, front. This part cross-references no additional part numbers in the provided data.

Common Problems This Bulb Can Address

• Dim or burned-out fog lamp output
• Uneven forward lighting from an aging halogen bulb
• Failed inspection due to nonfunctioning exterior fog lights
• Loss of low-mounted visibility in fog, rain, or snow
• Replacement need for a factory-style PZ20d fog lamp bulb

Installation Notes and Tips

Verify the bulb base, terminal style, and wattage against the existing fog lamp before installation. Handle the glass bulb carefully and avoid touching the glass surface with bare fingers. Confirm the housing is clean and dry, then install the bulb in the original fog light socket and test operation before reassembling trim or access covers.

Quality Assurance

Phillips Standard lighting is positioned as an OE-quality replacement line, using the same type of engineering approach associated with original equipment lighting supplied to automakers. The bulb is DOT approved and street legal for the listed applications.