OSRAM by ALI
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OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1
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OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1
100% New Genuine OSRAM D4S Type HID/Xenon Headlight bulb with model# 66440
OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1
Item #: 2416973

OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1

Item #: 2416973

€ 53

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100% New Genuine OSRAM D4S Type HID/Xenon Headlight bulb with model# 66440
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What Stands Out

High Brightness
The OSRAM D4S 66440 provides exceptional brightness, significantly enhancing nighttime visibility and driving safety, making it ideal for those seeking improved illumination on the road.
Long Lifespan
Designed with durability in mind, this bulb boasts a long life expectancy, reducing the frequency of replacements and offering excellent value for budget-conscious drivers seeking longevity.
Standard Color Quality
With OEM-standard color consistency, the OSRAM D4S ensures perfect light matching to factory settings, delivering a seamless aesthetic and optimal performance for vehicle enthusiasts wanting a harmonious look.

Product Details

Shop OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1 online at a best price in Ireland. B01B6QWEC8
Light Source TypeXenon
Color Temperature4300 Kelvin
Brightness3200 Lumen
Wattage35 watts
Fit TypeUniversal Fit
Light Output Maximum3200 Lumens
Voltage42 Volts
Package Quantity1
Brand NameOSRAM by ALI
Manufacturer Part NumberOSRAMHIDBULBS
Auto Part PositionFront
ManufacturerOsram by ALI
Unit Count1.0 Count
OEM Equivalent Part Number66440
Model Number66440
BrandOSRAM by ALI
Item Weight0.6 lbs (270 grams)

Who Should Buy?

Suitable For
  • High-Performance Drivers

    Ideal for drivers who require superior visibility and clarity during nighttime driving conditions.

  • Vehicle Upgraders

    Perfect for car enthusiasts looking to upgrade their vehicle's lighting system for a modern, stylish look.

  • Replacement Needs

    Suitable for users needing to replace worn-out headlight bulbs to ensure optimal safety on the road.

Not Suitable For
  • Budget-Conscious Buyers

    May not be the best choice for users seeking a low-cost or highly economical lighting solution.

Product Description

OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1

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Product Buying Guide

The OSRAM Original Xenarc D4S 66440 is a high-quality OEM standard color HID/Xenon headlight bulb, made in Germany. It offers precise light distribution, long life, and consistent performance. This guide provides product specifications, key features, usage scenarios, a comparison with competitors, user reviews, price analysis, and buying considerations to help you make an informed purchase decision.

Product Specifications

  • Brand: OSRAM
  • Model: D4S 66440
  • Country of Manufacture: Germany
  • Color Temperature: 4300K (Standard White Color)
  • Lumen Output: 3200lm
  • Power: 35W
  • Voltage: 42V
  • Compatibility: Direct replacement for D4S HID/Xenon bulbs
  • Legal Use: 100% legal for On/Off road use
  • Security Label: Comes with an 11-digit standard security label

Key Features

  • 100% new and authentic OSRAM product
  • Long life with precise light distribution
  • Consistent performance
  • OEM standard color (not blue)
  • Easy direct replacement for D4S bulbs
  • Legal for on/off road use
  • Comes with 11-digit standard security label

Usage Scenarios

  • Replacement for dim or burnt-out D4S bulbs
  • Upgrade to a high-quality OEM standard color bulb
  • Maintaining original lighting design of the vehicle
  • Optimal performance in various road and weather conditions

Usage Scenarios

  • Philips Xenon Standard D4S
  • GE Lighting Xenon D4S

Some User Review

  • This OSRAM D4S bulb is a perfect replacement for my dim OEM bulb. The light output is bright and the color is exactly what I was looking for.
  • I've tried different brands, but OSRAM always delivers the best performance. The longevity and light distribution are outstanding.
  • I initially thought the bulb was warmer in color compared to my old one, but after a few hours of usage, it matched perfectly. Highly recommended.

Competitors

  • The price of the OSRAM D4S 66440 bulb is competitive compared to other high-quality OEM standard bulbs in the market.
  • Considering the longevity, consistent performance, and ease of installation, this bulb offers great value for its price.

Buying Considerations

  • Ensure compatibility before purchasing. This bulb is designed specifically for D4S applications and will not work with D1S bulbs.
  • If you prefer a cooler or bluer color temperature, look for bulbs with 5000K or higher.
  • Replacing bulbs in pairs is recommended to ensure optimal performance and uniform lighting.
  • Keep in mind that the color of the bulb may appear warmer initially, but it will match the original color over time.
  • If you are upgrading from an OEM replacement bulb to an upgrade bulb, note that this product does not come with a 7-digit TRUST Code.

Conclusion

The OSRAM Original Xenarc D4S 66440 is a reliable and high-performance OEM standard color HID/Xenon headlight bulb. It offers precise light distribution, consistent performance, and an easy direct replacement for D4S applications. With its long life and legal use, this bulb provides optimal lighting for various road and weather conditions. Considering its competitive price and positive user reviews, the OSRAM D4S 66440 is an excellent choice for those looking to replace or upgrade their HID/Xenon headlights.

View Less

The OSRAM Original Xenarc D4S 66440 is a high-quality OEM standard color HID/Xenon headlight bulb, made in Germany. It offers precise light distribution, long life, and consistent performance. This guide provides product specifications, key features, usage scenarios, a comparison with competitors, user reviews, price analysis, and buying considerations to help you make an informed purchase decision. Continue Reading

Customer Questions & Answers

  • Question: What is the OSRAM Original Xenarc D4S 66440 35W bulb type?

    Answer: The OSRAM Original Xenarc D4S 66440 is a high-intensity discharge (HID) bulb used primarily in automotive headlamp applications. This bulb employs xenon gas technology, providing a brighter and more efficient lighting solution compared to traditional halogen bulbs. The D4S designation indicates that it’s designed for use in specific vehicle models, ensuring optimal performance and longevity.
  • Question: How does the OSRAM D4S bulb compare to halogen bulbs?

    Answer: The OSRAM D4S bulb significantly outperforms halogen bulbs in terms of brightness, efficiency, and lifespan. While halogen bulbs typically have a lifespan of around 500-1,000 hours, HID bulbs like the D4S can last up to 2,500 hours or more. This means fewer replacements and better visibility at night, making it an excellent choice for enhancing driving safety.
  • Question: Is the D4S bulb suitable for all vehicle types?

    Answer: The OSRAM D4S bulb is specifically designed for vehicles that require D4S HID lights. Therefore, it is essential to check your vehicle's manual or consult with a professional to ensure compatibility. Vehicles equipped with OEM D4S lamps will benefit from improved visibility and performance when using this bulb, as intended by the manufacturer.
  • Question: What are the benefits of using OSRAM Original Xenarc bulbs?

    Answer: OSRAM Original Xenarc bulbs are known for their high-quality construction and reliable performance. These bulbs provide superior light output and color temperature, enhancing visibility during nighttime driving conditions. The use of premium materials ensures consistent light quality and efficiency, translating to a safer driving experience, particularly in low-light or adverse weather scenarios.
  • Question: How do I install the OSRAM D4S bulb?

    Answer: Installing the OSRAM D4S bulb involves accessing your vehicle's headlight assembly, typically from under the hood. First, disconnect the power supply to ensure safety. Locate the existing bulb, remove it carefully, and replace it with the new D4S bulb, ensuring not to touch the glass with bare hands to prevent discoloration. Once securely in place, reconnect the power supply and test the functionality of the lights.
  • Question: What is the color temperature of the OSRAM D4S bulb?

    Answer: The OSRAM Original Xenarc D4S bulb typically has a color temperature of around 4200 K, producing a bright white light that enhances visibility and contrast on the road. This color temperature is ideal because it mimics natural daylight, reducing eye strain during night driving, and creating a safer driving environment by improving the visibility of road signs and other vehicles.
  • Question: Can I use the OSRAM D4S bulb for off-road use?

    Answer: Yes, the OSRAM D4S bulb is suitable for off-road use, given its robust construction and bright output. However, it’s crucial to adhere to the regulations that govern headlight usage in your area, as using high-intensity lights in illegal circumstances can lead to fines. Many off-road enthusiasts prefer this bulb for its effectiveness in providing enhanced visibility in rugged terrains and dark conditions.
  • Question: What vehicles are compatible with the OSRAM D4S bulb?

    Answer: The OSRAM D4S bulb is compatible with various makes and models of vehicles that use D4S HID systems. Popular brands include Audi, BMW, and Mercedes-Benz, among others. It's advisable to consult your vehicle's owner manual or check compatibility with a professional to ensure that the bulb is a perfect fit for your specific automotive model.
  • Question: What should I do if my D4S bulb is flickering?

    Answer: If your OSRAM D4S bulb is flickering, it typically indicates a problem with the bulb itself or the electrical connections. Start by checking the connections to ensure they are clean and secure. If the problem persists, the bulb may be nearing the end of its life and should be replaced. Regular maintenance of your vehicle's lighting system can help avoid such issues.
  • Question: Where can I buy OSRAM Original Xenarc D4S 66440 35W OEM Standard Color - Pack of 1?

    Answer: You can purchase the OSRAM Original Xenarc D4S 66440 35W OEM Standard Color bulb from Ubuy in Ireland. Ubuy offers a variety of automotive lighting solutions and guarantees a seamless shopping experience, ensuring you receive a high-quality product that meets your needs for optimal vehicle performance.

OSRAM by ALI Lighting 66440 Editorial Review

The OSRAM Original Xenarc D4S 66440 is a high-quality OEM standard color bulb that is designed to provide excellent lighting performance with long-lasting durability. The bulb is easy to install and fits perfectly into the D4S socket, making it a great choice for anyone looking to upgrade their vehicle's lighting system. The OSRAM Original Xenarc D4S 66440 delivers a bright, clear light that enhances visibility and helps drivers see the road ahead. The bulb is also energy-efficient, Consuming less power than conventional bulbs while providing superior performance. Overall, the OSRAM Original Xenarc D4S 66440 is an excellent choice for anyone looking for a reliable and high-performance bulb that delivers outstanding lighting performance with long-lasting durability.

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Pros

  • OEM standard color delivers bright, clear light
  • Easy to install and fits perfectly into D4S socket
  • Energy-efficient, Consuming less power than conventional bulbs

Cons

  • No negative feedback from customers available.

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€ 53

Order now and get it around Sunday, September 06

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Features & Benefits

  • 100% New & Authentic Osram Made in Germany - Pack of 1
  • OEM 4300K (Standard White Color/ NOT BLUE light), 3200lm, Direct replacement - D4S 35W DOT 42V
  • Extremely Long Life with precise light distribution & consistent performance
  • 100% legal for On/Off road use
  • Replace in pairs for optimal performance
  • Friendly Warning! D1S application CANNOT use these D3S although they look identical

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