Phillips D2SC1 Headlight Bulb - High Beam, High Beam and Low Beam or Low Beam

Phillips Xenon HID Headlight Bulb

The Phillips D2SC1 is a Xenon HID headlight bulb built for drivers who want stronger road visibility with lower power draw than a standard halogen setup. It is DOT approved and street legal, making it a practical replacement for HID-equipped vehicles that need reliable nighttime lighting.

With a 35W design and 85V operation, this bulb is engineered to deliver a brighter HID beam pattern while preserving electrical capacity for other vehicle functions. The D2SC1 is a direct-fit style option for many low beam and high beam HID applications across Acura, BMW, Infiniti, Mazda, Mercedes-Benz, Nissan, and other makes.

Key Features

• Xenon HID headlight bulb for HID-equipped vehicles
• DOT approved and street legal
• 35W power rating with 85V operation
• High beam and low beam applications, depending on vehicle fitment
• Designed to provide stronger forward lighting than halogen bulbs
• Phillips D2SC1 part number for accurate replacement matching

Product Details

The Standard - Single Commercial Pack line is Phillips’ straightforward replacement offering for drivers and repair shops that need a dependable HID bulb without extra packaging complexity. This D2SC1 bulb is used in a wide range of factory HID headlamp systems, including applications on the Nissan 370Z, Infiniti G37, and Acura TL. It also appears in fitments for BMW 330i, Mazda 3, and Mercedes-Benz E-Class and SLK models with HID headlamps.

Cross-reference: This part cross-references PEAK D2S for the same application.

What It Helps Solve

• Dimming or failed HID headlight output
• Reduced nighttime visibility on highway and city roads
• Uneven light output between left and right headlamps
• Need for a street-legal HID replacement bulb
• Loss of lighting performance in HID-equipped vehicles

Installation Notes and Tips

Verify the original bulb type before ordering, especially on vehicles with HID headlamps and multiple bulb options. This bulb is listed for specific low beam and high beam applications only, so match the year, make, model, and position exactly to the fitment data. Handle HID bulbs carefully during installation and avoid touching the glass surface.

Quality Assurance

Phillips manufactures this bulb to DOT-approved standards for street use. The D2SC1 is specified as a mercury-containing product, so follow local disposal requirements when replacing the bulb.