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Original SINOTRUK HOWO Head Lamp WG9719720002 – Heavy-Duty Right/Left Side Headlight Assembly | OEM-Compatible Sinotruk Spare Parts

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Sinotruk Cabin Parts

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Genuine-spec front headlight assembly for SINOTRUK HOWO trucks. Part number WG9719720002. Durable replacement headlamp for driver or passenger side in fleet and long-haul truck maintenance.

SINOTRUK OEM-Compatible Head Lamp – Model WG9719720002 | For HOWO A7, T7H, T5G Trucks

Maximize nighttime visibility and road safety with this high-performance head lamp (Part No. WG9719720002) , engineered specifically for SINOTRUK HOWO heavy-duty commercial trucks, including HOWO A7, T7H, T5G, ST1, dump trucks, and long-haul freight models. Designed as a complete front headlight assembly, this durable replacement ensures reliable illumination in all weather conditions — making it one of the most essential Sinotruk spare parts for fleet operators, transport companies, and off-road vehicle maintenance teams worldwide.

Constructed with a UV-resistant polycarbonate lensaluminum reflector cup, and impact-resistant ABS housing, the WG9719720002 delivers superior light output while resisting yellowing, vibration, dust, rain, and extreme temperatures. Its aerodynamic design matches original factory contours for seamless integration and wind resistance at highway speeds.

This headlight supports both halogen H4 bulbs (100W high / 70W low) and modern LED retrofit kits (up to 120W) , offering flexibility for performance upgrades without changing the housing. It operates on standard 24V DC truck electrical systems and features a sealed connector to prevent corrosion and short circuits.

The WG9719720002 is designed for universal fitment — compatible with both left (driver-side) and right (passenger-side) positions — ensuring fast, tool-free replacement across multiple HOWO series. It integrates perfectly with existing wiring harnesses and meets basic ECE R112 reference standards for beam pattern consistency.

Trusted by logistics fleets, mining operators, and repair workshops across Africa, Southeast Asia, the Middle East, South America, and Eastern Europe, this component ensures compliance with safety regulations and reduces downtime due to lighting failure.

Technical Specifications:

  • OEM Part Number: WG9719720002
  • Function: Front Head Lamp Assembly (Left or Right Side)
  • Bulb Type: H4 Dual Filament (High/Low Beam)
  • Voltage: 24V DC (Standard for Commercial Trucks)
  • Housing Material: UV-Stabilized ABS + Aluminum Reflector
  • Lens Material: Polycarbonate (Anti-Yellowing & Scratch-Resistant Coating)
  • IP Rating: IP65 (Dustproof & Water Resistant)
  • Mounting Type: 3-Bolt Fixation (M6 Screws)
  • Fitment Models: HOWO A5, A7, T5G, T7H, ST1, Dump Trucks, Cement Mixers
  • Compatibility: Works with Halogen & LED Bulbs (aftermarket friendly)
  • Beam Pattern: Standard Low/High Beam Output
  • Operating Temperature: -40°C to +90°C
  • Certification: ISO 9001, Reference Compliance to ECE R112
  • Packaging: Individually boxed with foam padding; anti-moisture sealed bag

Package Includes:
1 x Head Lamp Assembly (WG9719720002), Rubber Seal Ring (if applicable), Installation Guide (PDF available online)

Ships globally. Trusted by transport operators in Nigeria, Kenya, Pakistan, Indonesia, UAE, Peru, Turkey, and Bangladesh.

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How to Install the WG9719720002 Head Lamp on SINOTRUK HOWO Trucks:

  1. Turn Off Engine & Disconnect Battery: Always disconnect the negative terminal to prevent electrical shorts during installation.
  2. Open Hood & Access Front Grille Area: Support hood with prop rod and locate the back of the headlight housing.
  3. Unplug Wiring Harness: Find the 2–3 pin connector behind the headlamp (for low/high beam and ground). Press the release tab and disconnect carefully.
  4. Remove Mounting Bolts: Use a T25 Torx or M6 socket wrench to remove 2–3 bolts securing the headlight to the radiator support frame.
  5. Extract Old Head Lamp: Gently pull the unit forward from the front panel — avoid forcing to prevent damage to seals or housing.
  6. Inspect New Unit’s Sealing Gasket: Ensure rubber seal is intact and properly seated to maintain water resistance.
  7. Install New Head Lamp (WG9719720002): Align the new headlight into the mounting cavity and insert slowly until fully seated.
  8. Secure with Mounting Screws: Reinstall bolts and tighten evenly to 8–10 Nm — do not over-tighten to avoid cracking.
  9. Reconnect Electrical Connector: Plug in the wiring harness securely; ensure click-lock engagement and moisture protection.
  10. Test Lighting Functions: Restore power and test:
    • Low Beam
    • High Beam
    • Ground Continuity
    • No Flickering or Delay

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