Hyundai Horn Relay 21Q6-20200

Genuine Hyundai 21Q6-20200 Horn Relay. Engineered for reliable warning system performance in R215-9C, R305LC-9, R485LC-9, and other 9-series excavators. Ensure site safety with quality electrical components.

Hyundai 21Q6-20200 Horn Relay | 9-Series Excavator Electrical Parts

Horn Relay 21Q6-20200

Dependable Electrical Control for Critical Safety Signaling Systems

The Hyundai 21Q6-20200 is a specialized electrical relay designed to control the warning horn system in your 9-series excavator. By managing the electrical circuit, it ensures that your warning signals are loud, clear, and responsive whenever the operator engages the switch. This component is essential for site safety, providing the reliable performance required to alert personnel in busy and high-noise construction or mining environments.


1. Technical Specifications

ParameterDetail
Part Number21Q6-20200
Component TypeHorn Relay
Primary FunctionElectrical switching for the machine's warning horn system
CompatibilitySpecifically designed for Hyundai 9-series heavy-duty excavator configurations

2. Machine Compatibility

Engineered for reliable service in professional heavy equipment:

  • Hyundai Models: R215-9C, R265LC-9, R275LC-9T, R275LC-9V, R305LC-9, R305LC-9T, R305LC-9V, R335LC-9T, R485LC-9, R485LC-9T, R485LC-9V, R805LC-9, and related configurations.

  • System Synergy: Provides seamless integration with the machine’s primary electrical harness for dependable warning signal activation.

3. Maintenance & Installation Protocols

  • Service Interval: Replace as needed upon failure or if the horn fails to sound.

  • Diagnostic Indicators: Replace if the horn does not activate when triggered, sounds weak or intermittent, or if the relay clicks without completing the circuit.

  • Installation Tip: When replacing the relay, ensure the harness connector is tight and free from debris or corrosion to guarantee consistent electrical contact.

4. Technical Support & Logistics

  • Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.

  • WhatsApp: +86 13701956981

  • Email: [email protected]

Technical Note: The 21Q6-20200 horn relay is a key safety component for your 9-series fleet. 

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