Hella Flasher Unit 12V 21W5W2 (4)

The HELLA Hazard Warning Flasher activates the vehicle’s hazard lights to alert other drivers during emergencies. It is built with weather-resistant materials for durability in various conditions. The flasher ensures consistent light output and reliable operation, compatible with standard vehicle electrical systems for easy installation.

Part Type

Hazard Warning Flasher

Product Overview

The proportion of electronics in vehicles has increased continuously in recent years. A development in which HELLA has long played a special role as an innovation leader in the field of automotive original equipment. The independent aftermarket also benefits in particular from this long-standing original equipment expertise - because HELLA successfully transfers its comprehensive OE know-how to this area and makes optimum use of the existing expert knowledge in this way. Our sensors are manufactured to the highest quality standards and is designed for high performance to ensure a long service life.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• Built to withstand harsh environments, vibration, and temperature extremes—perfect for long-lasting performance in any vehicle.
• Constructed with durable materials, ensuring long-lasting performance and reliability in all environments.
• Efficient operation minimizes battery drain, even during extended hazard use.
• Ensures accurate and consistent flash rates for clear, dependable signaling in all conditions.
• Meets international automotive safety standards, helping ensure regulatory compliance and road safety.

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Product Details

Reference Information

FLASHER UNIT 12V 21W5W2 (4)

Hella relays are ideal for a wide range of automotive uses, such as auxiliary lighting, turn signals, power windows, rear window defogger, and more. They're available in 12 V and 24 V units, with amp ratings from 20 to 50, and numerous terminal options. Hella is one of the most respected names in lighting—and their top-quality accessories and electrical components are an economical choice for universal applications.