20 Best Osram Xenon D2S 35W 66040 of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Osram Xenon D2S 35W 66040 of 2023. Check our ranking below.
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- Replace Only for HID Assembly Bulbs: Replacement for stock D2S led bulbs only, NOT ADAPT if your auto has stock Halogen/LED headlight.
- 350% Brightness: filled with high-purity xenon gas, D2S xenon bulbs are 3.5x brighter than halogen bulbs and 2x brighter than standard HID lights. Built-in high voltage starter, braking response time as fast as 3s to start.
- 3500hrs Longevity: D2S hid bulbs ensure the last 3500hrs lifespan, reducing your bulb replacement frequency. IP67 waterproof design and high-temperature resistance metal base reduce the fog and vaporization damage caused during driving.
- Easy to Install: 1:1 factory HID bulb design optimizes compatibility, you take only 5 minutes to complete the whole replacement process.
- Ways to Check Bulb Size: Amazon filter systems may not be 100% correct or up to date as 85% of cars that use HID bulbs also have halogen versions. If you are not sure which bulb size your vehicle requires, PLEASE Search "automotive bulb finder" or check if your stock bulbs are HID.
- Perfect Beam Quality：D2S Xenon Headlight HID Bulbs ultra-bright light with 99.99% pure xenon gas and APL capsules—no glare, no dark spots. Higher efficiency and pure color for crisp visibility.
- 3,000-Hour Long Life：Lasts over 3 years! UV-resistant quartz glass and airtight seals prevent leaks, ensuring durability for long-term use.
- High-Quality Electrodes：Heat-resistant, evenly dense electrodes reach full brightness in 5 seconds. Precision winding stops xenon gas leaks.
- Durability：Engineered with laser-welded construction to resist shocks, vibrations, and rough terrain. Built to endure all-weather driving while ensuring your headlights stay securely in place—no wobble, no wear.
- 5-Minute Installation：D2S HID Bulbs exact 1:1 OEM size, plug-and-play design works instantly. No tools needed, just 5 minutes to install.
- 2pcs packaged; Replacement part number: 66144 66140 85140 85415 (If there is any problem in the product,please feel free to contact us)
- Extend Lifespan:HID bulbs ensure the last 3500 hours lifespan; Anti-ultraviolet coating can prevent the brightness of the bulb from dimming continuously. IP67 waterproof design and high-temperature resistance metal base reduce the fog and vaporization damage caused during driving.
- Easy to Install: 1:1 factory HID bulb design optimizes compatibility, you take only 5 minutes to complete the whole replacement process.Warm tips：Most car models have more than two assemblies. If you are not sure, please feel free to contact us for detail information.
- High Brightness: 200% brighter than standard HID lights.HID bulb usually uses a lens assembly, the bulb reaches its brightest level after a few seconds of lighting.
- Replace Only HID Bulbs: Those HID bulbs are ONLY Replacement for stock D2S HID headlight bulbs only, NOT ADAPT if your auto has stock Halogen/LED headlight.
- Color Temperature Note - Color temperature 5500K headlight bulbs, including Osram Cool Blue, DO NOT emit a bluish-white light. The actual color is closer to warm white, although it’s whiter than OEM 4300K. Please refer to the images carefully for accurate reference.
- The nature of HID Xenon bulbs is that their color temperature shifts over time, becoming whiter as they age and eventually turning a bluish hue before the end of the bulb's life. However, they also lose brightness in the process. This means a USED 4300K OEM bulb might appear whiter than a brand-new Cool Blue (CB) bulb, even though it’s producing less light.
- Size: D2S
- Base: P32d-2
- Kelvin: Up to 5500K
Last update on 2025-07-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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