Phillips 9004LLC1 Headlight Bulb - High Beam, High Beam and Low Beam or Low Beam

Philips 9004LLC1 Headlight Bulb Overview

The Philips LongerLife headlight bulb is built for drivers who want dependable lighting value in a standard halogen format. This 12-volt bulb uses a clear glass capsule and supports both high beam and low beam applications where 9004 fitment is specified.

Compatible With a wide range of vehicles including Dodge Ram 1500, Nissan Pathfinder, and Volkswagen Jetta applications, the Philips 9004LLC1 is a practical replacement for aging headlamps that have dimmed, burned out, or become inconsistent. It is DOT approved and street legal for road use where the vehicle calls for this bulb type.

Key Features

• Halogen headlight bulb with clear glass construction
• 9004 base type: P29T
• High beam and low beam beam pattern support
• 12-volt electrical system with 65/45 watt rating
• DOT approved and street legal
• Standard capsule bulb design for direct-fit replacement use
• Philips LongerLife line focused on value-oriented replacement lighting

Product Line Details

Philips LongerLife is the brand line for drivers looking for a cost-conscious replacement headlight bulb without changing the original lighting format. The 9004LLC1 follows the same basic halogen capsule layout used in many older domestic, import, and light truck applications, making it a straightforward choice for routine headlight service.

Detailed Description

The Philips 9004LLC1 headlight bulb uses halogen technology with a dual-filament design for high beam and low beam operation. Its clear bulb finish, glass material, and standard capsule shape support OE-style replacement in vehicles that specify the 9004 bulb format. With DOT approval and street-legal status, it is suitable for everyday driving where legal road lighting compliance matters. This part number, 9004LLC1, is commonly searched for replacement needs on vehicles such as Dodge Ram 2500, Isuzu Trooper, and Pontiac Montana.

This part cross-references BBB Industries 13993 and Dixie Electric Ltd 11249 for the same application.

Common Problems This Bulb Can Address

• Burned-out headlight bulb on a 9004-equipped vehicle
• Dim or uneven forward lighting from an aging halogen bulb
• Loss of high beam or low beam function at the headlamp
• Need for a direct replacement during routine lighting maintenance
• Road-legal lighting replacement for older vehicles with 9004 fitment

Installation Notes and Tips

Verify the vehicle uses a 9004/P29T headlight bulb before installation. Confirm whether the application uses a single headlamp setup or a two-headlamp configuration, since fitment notes vary by model and year. Handle the glass bulb carefully and avoid touching the glass surface with bare fingers. After installation, check both beam functions and aim the headlights as needed.

Quality Assurance

Philips manufactures the LongerLife line as a value-focused replacement lighting option for drivers who want a dependable halogen headlight bulb in a familiar OE-style format. The 9004LLC1 is DOT approved and street legal for listed applications.