Phillips 4157LLB2 Tail Light Bulb

Philips LongerLife Tail Light Bulb

The Philips LongerLife tail light bulb is built for drivers who want dependable exterior lighting value with a clear bulb design and OE-style fitment. This Philips 4157LLB2 uses a dual-filament, push-type base for vehicles that call for a W2,5x16q bulb specification.

Philips LongerLife bulbs are part of the LongerLife - Twin Blister Pack line, a product line focused on practical replacement lighting for everyday driving. The 4157LLB2 is a direct-fit exterior lighting bulb for select Ford, Lincoln, Mazda, Mercury, Saab, Saturn, Hummer, and Toyota applications.

Key Features

• Part number: 4157LLB2
• Brand: Philips
• Bulb type: tail light bulb
• Dual-filament design with 2 filaments
• Clear bulb color
• Push-type base with W2,5x16q bulb base type
• 12.8/14 voltage rating
• 28.5/7.5 wattage rating
• Cross-references Bosch 62852 and BP4157LL for the same application

Detailed Description

Philips 4157LLB2 is an exterior lighting replacement bulb engineered for vehicles that use a dual-filament, push-in style tail lamp bulb. The clear glass construction and specified voltage and wattage ratings make it a straightforward OE-style replacement for rear lighting and other listed exterior lamp positions. This part is listed across a broad range of applications, including Ford E-Series vans, Ford Escape, Ford Expedition, Ford Ranger, Lincoln Town Car, Mercury Grand Marquis, and Mazda Tribute models.

For shoppers searching by fitment, this bulb is listed for applications such as Fits 2006-2012 Ford Escape, rear; Fits 2004-2011 Lincoln Town Car, rear; and Fits 2006-2011 Mercury Grand Marquis, rear. It is also listed for select Ford F-250 Super Duty and F-350 Super Duty front inner positions on vehicles with sealed beam headlamps. The Philips 4157LLB2 part number is commonly used when replacing a tail light bulb with the correct base and electrical specification.

What It Helps Address

• Dim or failed tail lamp illumination
• Burned-out rear lighting on listed Ford, Lincoln, Mazda, Mercury, Saab, Saturn, Hummer, and Toyota vehicles
• Incorrect bulb base or filament configuration during replacement
• Exterior lighting service needs on vehicles with sealed beam headlamp or halogen capsule headlight configurations where listed
• Restoring proper rear signal, brake, or tail lamp function where this bulb is specified

Installation Notes and Tips

Verify the bulb base type, filament count, and position against the vehicle’s original bulb before installation. This Philips 4157LLB2 uses a push-type base, so align the contacts carefully and seat the bulb fully in the socket. Confirm the application by year, make, model, and position, especially on Ford E-350 Super Duty, Ford Flex, and Ford Explorer Sport Trac listings where fitment notes vary by lighting configuration.

For best results, handle the bulb with clean hands and avoid touching the glass surface with bare fingers. Check the lamp housing, socket, and connector for corrosion or heat damage before installing the replacement bulb.

Quality Assurance

Philips LongerLife bulbs are positioned as value-focused replacement lighting for drivers who want dependable service from a recognized lighting brand. The 4157LLB2 is built to the published bulb specification and fitment data for the listed applications.