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W21W Halogen Car Bulbs Wholesale

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W21W Halogen Car Bulbs Manufacturers

Using high-quality glass, tungsten filament, and 100% pure krypton gas. The quality reaches the international first-class standard, and the service life is up to 300-400 hours. This model can be used for turn signal lights, providing convenience for the daily use of cars.
With plug and play design, it is easy to finish installation in a few minutes. There is no modification or wiring needed to replace the stocking bulbs. Direct replacement for easy operation.
The packaging method is 10 bulbs per box and offers customization service for logo and package box.
Haining Suez Car Lights Co., Ltd. is China W21W Halogen Car Bulbs Manufacturers and W21W Halogen Car Bulbs factory, specializing in the production of various automotive lighting lamps. Since 2006, we have been committed to the research and development of high-quality automotive bulbs, with rich production technology experience and advanced testing equipment (luminous flux, color temperature, life, high temperature and cold resistance, stroboscopic testing, etc.). After more than ten years of continuous development, the company has become one of the quality exporters in the industry, with an annual output of more than 12 million auto bulbs. We mainly produce various automotive halogen bulbs, automotive LED lights and automotive xenon headlights. The products cover car headlights, turn signals, brake lights, instrument lights, reading lights, license plate lights, etc., to meet customers' one-stop purchase needs. With the tenet of "quality for survival, reputation for development", the company provides customers with consultation, ordering and high-quality after-sales service at any time, so that customers can buy with confidence.

Honor certificate

  • CE-EMC
  • ISO9001
  • ROHS

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Industry Knowledge

W21W Halogen Car Bulbs are typically used as rear turn signal bulbs in cars. When choosing W21W bulbs, consider the following factors:
Wattage: W21W bulbs have a power rating of 21 watts, so it's important to choose a bulb with the correct wattage to ensure that it produces the appropriate level of brightness.
Quality: As with any car bulb, choosing a high-quality W21W Halogen Car Bulb can help ensure that it lasts longer and performs better. Look for bulbs from trusted brands and read reviews from other customers to gauge their performance and durability.
Compatibility: Check your vehicle's owner manual or consult a mechanic to make sure that W21W bulbs are compatible with your vehicle's turn signal housing.
By considering these factors, you can choose the right W21W Halogen Car Bulbs for your vehicle, ensuring that they provide reliable and bright illumination for your rear turn signals.
The W21W halogen car bulb is a type of single filament bulb commonly used in automotive applications, such as reversing lights and turn signals. Here are some benefits of this type of bulb:
High brightness: The W21W bulb uses halogen technology to produce a bright, clear light that is highly visible even in low light conditions.
Energy-efficient: Compared to traditional incandescent bulbs, the W21W bulb uses less energy to produce the same level of brightness, which can result in improved fuel efficiency for the vehicle.
Long lifespan: With proper usage, the W21W bulb can last for many years, making it a reliable and cost-effective option for automotive lighting.
Standard size: The W21W bulb has a standard size and is designed to fit in most automotive lighting sockets that use this type of bulb, which makes it easy to replace when needed.
Wide availability: The W21W bulb is widely available at automotive stores and online retailers, which makes it easy to find a replacement bulb if needed.
Overall, the W21W halogen car bulb provides high brightness, energy efficiency, and a long lifespan, which makes it a reliable and cost-effective option for automotive lighting applications.

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