Phillips H4703C1 Headlight Bulb - Low Beam

Reliable Halogen Headlight Bulb for Select GM and Jeep Models

The Phillips H4703C1 headlight bulb offers dependable low beam lighting designed for a range of vehicles including Buick, Chevrolet, Jeep, and more. This halogen bulb meets DOT and street-legal standards, ensuring safe and compliant nighttime driving.

• Halogen technology with clear glass bulb for consistent illumination
• Standard sealed beam design with a single C-8 filament
• Low beam beam type suitable for street use
• Compatible with multiple makes and models such as Chevrolet Blazer, GMC Jimmy, and Jeep Wagoneer
• Bulb base type: 2 contact lugs for secure fitment
• Voltage rating of 14V and wattage of 55W
• Part number H4703C1 for precise identification

About the Standard - Single Commercial Pack Product Line

The Phillips Standard - Single Commercial Pack line provides reliable, DOT-approved lighting solutions designed for commercial and consumer vehicles. This product line focuses on delivering consistent performance with halogen sealed beam bulbs that meet regulatory requirements. The H4703C1 bulb is part of this line, offering a straightforward replacement option for low beam headlights across various GM and Jeep models.

Product Details and Specifications

The H4703C1 headlight bulb features a clear glass construction with a single C-8 filament designed for low beam applications. Operating at 14 volts and 55 watts, this halogen bulb provides adequate illumination for safe driving conditions. The bulb’s 2 contact lug base ensures compatibility with factory headlight sockets on vehicles such as the Chevrolet C1500, GMC K2500, and Pontiac Firebird. Its sealed beam design helps protect the filament and internal components from environmental factors, contributing to longer service life.

Common Applications and Problem Solving

• Replacement for burnt-out or dim low beam headlights on Buick Century and Oldsmobile Riviera
• Restores proper lighting performance on Chevrolet K3500 and GMC C3500 trucks
• Ensures street-legal lighting compliance for Jeep Wagoneer and Isuzu models
• Improves nighttime visibility on Pontiac Sunbird and Chrysler Imperial vehicles
• Addresses flickering or intermittent headlight issues in Geo Storm and Chevrolet Blazer

Installation Notes and Tips

• Ensure the vehicle is turned off and headlights are cool before installation
• Handle the bulb by the base to avoid contaminating the glass with oils from your skin
• Verify the bulb base type matches the socket to prevent improper fitment
• Consult the vehicle owner’s manual for specific headlight replacement instructions
• Test the headlight operation after installation to confirm proper function

Quality Assurance and Warranty

Phillips H4703C1 headlight bulbs are manufactured to meet DOT standards and are street legal for use in the United States. The halogen sealed beam design ensures durability and consistent performance. While specific warranty details are not provided, Phillips products typically adhere to industry quality controls to ensure reliability in automotive lighting applications.