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Audible warning capability is a non-negotiable safety feature for any commercial vehicle operating in complex traffic environments. For SINOTRUK Howo trucks, the WG880 410049 Horn is an essential chassis-mounted electrical component designed to deliver a clear, powerful acoustic signal. This robust horn ensures effective communication with other road users, helping to prevent accidents and enhance situational awareness. When sourcing reliable Sinotruk howo parts, the WG880 410049 unit stands out for its OEM-quality construction and consistent performance. Engineered to withstand harsh weather, vibration, and electrical loads, this horn is a critical investment for fleet safety and regulatory compliance, providing a dependable audible warning for countless journeys.
The WG880 410049 is the standard electric horn assembly for SINOTRUK Howo trucks. It is an electromechanical device that converts electrical energy from the vehicle’s system into loud sound waves. When the driver presses the horn button, current flows through a solenoid, causing a diaphragm to vibrate rapidly. This vibration, amplified by a trumpet or disc design, produces the characteristic warning sound. The horn is typically mounted at the front of the truck, behind the grille, for optimal sound projection. Its primary function is to alert pedestrians and other drivers of the truck’s presence or imminent maneuver. A fully functional horn, like the WG880 410049, is legally required for roadworthiness in most jurisdictions.
This OEM part is designed to match the electrical specifications and mounting points of Howo vehicles precisely. It replaces older, faulty, or damaged horns, restoring the vehicle’s audible signaling capability. The construction uses materials resistant to corrosion from road salt and moisture. This ensures reliable operation in diverse climates, from freezing winters to humid summers. For fleet managers, the WG880 410049 part number represents a guaranteed-fit solution for maintenance and repair needs.
Engineered to produce a loud, distinct tone that cuts through ambient traffic noise. The sound frequency and decibel level are optimized for effective long-range communication, ensuring your warning is heard.
The horn’s casing is built from durable materials like coated steel or high-impact plastic. It is designed to resist water ingress, corrosion, and damage from road debris, ensuring longevity.
Features secure, spade-type or bolt-on terminals that provide a stable connection to the vehicle’s wiring harness. This prevents intermittent operation due to vibration or corrosion at the contacts.
| Parameter | Specification |
|---|---|
| OEM Part Number | WG880 410049 |
| Product Name | Horn |
| Brand | SINOTRUK Howo |
| Type | Electric, Disc or Trumpet Style |
| Operating Voltage | 24V DC (Standard for Howo Trucks) |
| Sound Output | Loud, clear tone meeting common regulations |
| Mounting | Bracket or direct bolt-on |
| Compatible Models | SINOTRUK Howo A7, T5G, T7H, ZZ3257 and other series. |
The horn is a primary active safety device. It allows the driver to warn others of potential danger. This is crucial when changing lanes, approaching blind corners, or avoiding pedestrians.
In emergency situations, a loud, functional horn can prevent collisions. It communicates intent where turn signals and brake lights are not sufficient. A reliable horn is essential for defensive driving.
For commercial trucks, the horn also signals departure from loading bays or worksites. It alerts ground personnel to moving vehicles. The WG880 410049 ensures this communication is always available.
A non-functioning horn can lead to roadworthiness test failure and fines. More importantly, it creates a major safety gap. Regular checks and timely replacement of the WG880 410049 horn are mandatory.
Replacing the WG880 410049 horn is a relatively simple task. First, disconnect the negative terminal of the truck battery. Locate the old horn, usually behind the front grille or bumper.
Disconnect the electrical wire connector from the horn. Remove the mounting bolt(s) that secure the horn bracket. Take out the old unit. Compare it with the new WG880 410049 horn.
Position the new horn in the same location. Secure it with the mounting hardware. Reconnect the electrical connector, ensuring a firm click. Restore battery connection.
Test the horn by pressing the steering wheel button. Listen for a clear, consistent sound. Check for any loose connections or vibrations. Ensure the horn is not obstructed by any part.
For maintenance, periodically clean the horn’s exterior of mud and debris. Check electrical connections for corrosion during routine service. Test the sound output regularly.
The WG880 410049 horn is vital for all SINOTRUK Howo applications. In dense urban traffic, it warns cyclists and pedestrians of the truck’s large blind spots.
On highways, it signals lane changes to other drivers. In construction zones, it alerts workers to vehicle movement. For long-haul trucking, reliable horns are essential for safety.
In mining and logging operations, horns communicate on private roads. They signal approach at intersections with limited visibility. A loud, durable horn is a key safety tool.
The genuine WG880 410049 horn is engineered for exact compatibility. It matches the electrical current draw and resistance of the Howo’s wiring system. This prevents relay or fuse issues.
Aftermarket horns may have different impedance or sound profiles. They could overload circuits or produce an inadequate tone. The OEM part guarantees the correct performance.
Genuine parts also ensure perfect mounting alignment. This prevents stress on the bracket or wiring. It also ensures the horn is oriented correctly for optimal sound projection.
For fleet consistency, using the same WG880 410049 horn across all vehicles simplifies diagnostics. Drivers become familiar with the sound characteristic, aiding recognition.
If the horn is silent, first check the fuse in the vehicle’s fuse box. A blown fuse indicates a possible short circuit. Inspect the wiring for damage before replacing the horn.
If the horn sounds weak or distorted, the internal diaphragm may be damaged. Moisture ingress is a common cause. Replacement with the WG880 410049 unit is the best solution.
If the horn works intermittently, check the electrical connector and the horn button contacts. Corrosion or loose wires can cause this issue. Ensure all connections are clean and tight.
The WG880 410049 Horn is a fundamental safety component for every SINOTRUK Howo truck. Its role in preventing accidents and enabling communication cannot be overstated.
Investing in this genuine, high-quality part ensures reliable performance when it matters most. It supports regulatory compliance and protects drivers, cargo, and other road users.
Regular inspection and prompt replacement of a faulty horn with the WG880 410049 is a simple, cost-effective measure. It upholds the highest standards of vehicle safety and operational readiness.
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