D3S 6000K HID Xenon Headlight Bulbs 66340 66340HBI 42403 42302 Set of 2

Product Overview

This aftermarket replacement HID xenon headlight bulb set is supplied as a two-piece set and references part numbers 66340, 66340HBI, 42403, and 42302. HID xenon headlight bulbs produce light by energizing xenon gas inside the bulb, which is why they are used in vehicles equipped with HID lighting systems. The bulbs are offered in a 6000K color temperature and a D3S fitment as stated in the listing, and they are not manufactured by or associated with any brand referenced by these part numbers.

Key Features & Performance

• HID xenon bulbs provide illumination for vehicles equipped with HID headlight systems
• Supplied as a set of two bulbs for both headlight housings
• Listed as D3S fitment with a 6000K color temperature
• Reference numbers 66340, 66340HBI, 42403, and 42302 are provided for comparison with the existing bulb

Fitment & Compatibility

• Listed as D3S fitment bulbs

Common Uses

• Replacing a dim, flickering, or failed HID xenon headlight bulb
• Replacing both headlight bulbs at the same time to keep the lighting output consistent side to side
• Servicing the headlight system during routine vehicle maintenance

Technical Specifications

• Product Type: HID Xenon Headlight Bulb Set
• Part Number(s): 66340, 66340HBI, 42403, 42302
• General Application: D3S fitment, 6000K color temperature
• Quantity: 2 bulbs

Frequently Asked Questions

Q: How does an HID xenon headlight bulb work? A: An HID bulb produces light by creating an electrical arc through xenon gas inside the bulb capsule, which is why HID systems use a ballast to regulate the voltage supplied to the bulb.

Q: How do I confirm these bulbs will fit my vehicle? A: Check the complete existing bulb part number and the full vehicle model and year information against the D3S fitment and reference numbers 66340, 66340HBI, 42403, and 42302 listed here before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.