Electrical system
Electrical system
Electrical system

As a reliable China Original Heavy Truck Parts Supplier, we provide a full range of truck electrical system parts designed for accuracy, durability, and stable performance in heavy-duty applications.

Our product portfolio focuses on OEM and original electrical components, ensuring precise signal transmission, system control, and safety compliance for modern heavy-duty trucks. We support global distributors, fleet operators, and service providers with consistent supply and verified product quality.

We specialize in China truck electrical system parts supply, covering Sinotruk, Howo, Shacman, FAW, and other Weichai-powered truck platforms.


Complete Range of Truck Electrical System Components

Our electrical system category includes critical components required for vehicle control, monitoring, and safety:

Truck Lighting Systems

High-performance original truck lighting components, including LED marker lights and signal lights, designed for visibility, durability, and long service life in harsh environments.

  • LED side marker lights (e.g., YG9525720042)

  • Full heavy-duty truck lighting systems

Sensors and Emission Control Components

OEM-grade NOx sensors and emission system components designed for accurate monitoring and compliance with emission standards.

  • Nitrogen Oxide (NOx) sensors for diesel engines

  • SCR system integration components

Wiring Harnesses & Electrical Connections

Original truck wiring harnesses ensuring stable electrical transmission and system reliability.

  • SCR system wiring harnesses

  • Heavy-duty electrical connection system

Control Panels & Combination Switches

Precision-engineered control systems and switches for driver operation and vehicle control.

  • Automatic control panels (YG1671821105)

  • Combination switches for cab operation

Instrument Clusters & Monitoring Systems

OEM fuel combination instruments and dashboard components for accurate vehicle data monitoring.

Door Electrical & Control Components

Reliable door lock systems and handle assemblies ensuring safety and functionality.

  • Door lock inner handle assemblies

  • Right door inner handle (YG1671340025)

All components are manufactured to original factory standards, ensuring seamless compatibility and stable long-term performance.


Compatible Truck Models

Our truck electrical system parts are widely used in:

  • Sinotruk HOWO / HOHAN electrical system parts

  • Shacman Delong / X3000 / X5000 electrical components

  • FAW J6 / J7 truck electrical parts

  • Weichai-powered heavy-duty trucks

We provide accurate part matching based on model, VIN, or part number to ensure installation reliability.


Application Scenarios

Our electrical system components are designed for demanding operational environments:

  • Long-Haul Trucks – Stable electrical performance over long-distance transport

  • Mining Trucks – Reliable sensors and wiring under dust and vibration

  • Construction Vehicles – Durable control systems for high-frequency operations

  • Fleet Maintenance & Repair – Fast replacement and consistent system compatibility


Why Choose Us as Your China Truck Electrical System Parts Supplier

Original & OEM Quality Assurance

We emphasize original factory parts and OEM-grade components, ensuring:

  • Accurate signal transmission

  • Stable system control

  • Long service life

  • Compliance with vehicle specifications


Wide Product Coverage

We offer a complete electrical system solution including:

  • Sensors and emission components

  • Wiring harness systems

  • Lighting and signal systems

  • Control panels and switches

  • Instrument clusters

This allows customers to source multiple components from a single supplier.

Strong Inventory & Fast Delivery

  • 20,000㎡ warehouse

  • 30,000+ SKUs

  • Ready stock for fast shipment

Ensuring minimal downtime for fleet maintenance and repair operations.

Global B2B Supply Capability

We support:

  • Parts distributors

  • Fleet operators

  • Maintenance workshops

  • Export traders

Providing stable supply and long-term cooperation support.

Reduced Operational Risk

Using original truck electrical system parts helps:

  • Prevent system failures

  • Ensure accurate diagnostics

  • Maintain emission compliance

  • Reduce maintenance frequency

Supply & Technical Support

We provide complete support for B2B buyers:

  • Flexible MOQ for bulk orders

  • Fast international shipping

  • Export-standard packaging

  • Accurate part number verification

  • Pre-sale and after-sales technical support


Frequently Asked Questions

How can I confirm the correct electrical parts?

You can provide your truck model, VIN, or part number. We will assist with precise matching.

Are these original or aftermarket parts?

We supply original and OEM-quality electrical components, ensuring reliable performance and compatibility.

Do you support bulk orders?

Yes, we specialize in bulk supply for distributors and long-term partners.

What is the delivery time?

Most electrical system parts are available in stock for fast delivery.


Get a Reliable Electrical System Parts Supplier

If you are looking for a professional China truck electrical system parts supplier, we provide:

  • Original factory and OEM-quality components

  • Full compatibility with major truck brands

  • Stable supply and fast delivery

  • Professional B2B service and support

Contact us today to get a quotation and ensure reliable electrical system performance for your heavy-duty trucks.

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Original Truck Spare Parts YG9525720042 LED Right Side Marker Light for All Sinotruk Heavy Truck
Original Truck Spare Parts YG9525720042 LED Right Side Marker Light for All Sinotruk Heavy Truck

Enhanced Vehicle Visibility with Genuine LED Side Marker Lights
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original LED right side marker lights. This essential safety component provides clear side illumination for your vehicle, enhancing visibility to other road users during nighttime operations and low-light conditions, while ensuring compliance with transportation safety regulations.


Heavy-Duty Tractor Truck Parts Genuine Automatic Control Panel YG1671821105
Heavy-Duty Tractor Truck Parts Genuine Automatic Control Panel YG1671821105

Intelligent Control with Genuine Automatic Control Panels
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original automatic control panels. This sophisticated interface serves as the central command hub for your vehicle's electronic systems, enabling precise control and monitoring of various cabin functions through an intuitive, user-friendly design.

Sinotruk HOWO Hohan Heavy Truck Parts Spare Parts Right Door Inner Handle YG1671340025
Sinotruk HOWO Hohan Heavy Truck Parts Spare Parts Right Door Inner Handle YG1671340025

Smooth Cabin Access with Genuine Inner Door Handles
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original right inner door handles. This essential interior component enables convenient and safe operation of the door locking mechanism from inside the cabin, ensuring reliable performance and enhanced driving comfort.


Truck Parts Door Lock Inner Handle Assembly for Sinotruk HOWO Shacman FAW Foton
Truck Parts Door Lock Inner Handle Assembly for Sinotruk HOWO Shacman FAW Foton

Secure and Convenient Access with Genuine Door Lock Handles
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original right door lock outer handles. This essential component provides secure and reliable access to the vehicle cabin while ensuring smooth operation and long-lasting durability under frequent use and harsh weather conditions.


HOWO Weichai Nitrogen Oxide Sensor Nox Sensor Diesen Engine Parts for Heavy Truck
HOWO Weichai Nitrogen Oxide Sensor Nox Sensor Diesen Engine Parts for Heavy Truck

Precise Emissions Monitoring with Genuine NOx Sensors
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original NOx sensors. This advanced emissions control component continuously monitors nitrogen oxide levels in the exhaust system, providing critical data to optimize combustion efficiency and ensure compliance with modern emission standards.


Truck Cabin Parts Right Operating Combination Switch YG9525584125 For Truck Body Spare Parts
Truck Cabin Parts Right Operating Combination Switch YG9525584125 For Truck Body Spare Parts

Centralized Control with Genuine Combination Switches
As the authorized central warehouse in China for SINOTRUK, WEICHAI, SHACMAN, and FAST with over 20 years of industry expertise, we supply 100% original right combination switches. This integrated control unit conveniently groups multiple electrical functions into a single steering-column mounted module, allowing drivers to operate essential systems like wipers, turn signals, and lighting without removing hands from the steering wheel.

Electrical Appliances Parts Genuine SCR System Wiring Harnesses WG1034132037 For SITRAK
Electrical Appliances Parts Genuine SCR System Wiring Harnesses WG1034132037 For SITRAK

Ensure Emission Compliance with Genuine SCR Wiring Harnesses

As the authorized distributor in China for SINOTRUCK, WEICHAI, SHACMAN, and FAST, we supply 100% original SCR system wiring harnesses. This critical component connects all elements of your Selective Catalytic Reduction system, ensuring precise communication between sensors, injectors, and the control unit. Genuine harnesses guarantee proper emissions control, optimal fuel efficiency, and uninterrupted vehicle operation.

Sinotruk HOWO Auto Truck Parts Tail Lamp Combination Rear Light YG9525810001
Sinotruk HOWO Auto Truck Parts Tail Lamp Combination Rear Light YG9525810001

Ensure Vehicle Safety with Genuine Rear Tail Lights
As the authorized distributor in China for SINOTRUK and SHACMAN, we supply 100% original rear tail lights. These essential safety components provide clear visibility for braking signals, turn indications, and nighttime operation, ensuring your heavy-duty truck maintains optimal safety compliance in all weather conditions.

Genuine Truck Cabin Parts Fuel Combination Instruments WG9525580056 for HOWO Accessories
Genuine Truck Cabin Parts Fuel Combination Instruments WG9525580056 for HOWO Accessories

Accurate Data, Intelligent Control: Genuine Fuel Combination Instruments

As the authorized distributor in China for SINOTRUK, WEICHAI, Shacman, and FAST, we supply 100% original fuel combination instruments. This integrated dashboard unit provides real-time monitoring of fuel levels, engine parameters, and vehicle status, delivering critical data to support efficient driving decisions and fleet management. Genuine instruments ensure accurate readings, perfect compatibility, and long-term reliability.

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