Sinotruk Starter Switch WG9925580103
| Product Name | Starter Switch |
| Product Number | WG9925580103 |
| MOQ | 1 |
| Warranty period | 3 Months |
| Package | Carton |
| Application | Sinotruk |
| Original | China |
Product Description
Product Introduction
This Starter Switch WG9925580103 is an OEM ignition and starting control component for Sinotruk heavy-duty trucks (HOWO A7, T7H, SITRAK C7H/G7S). It features a precision-machined zinc alloy lock cylinder housing, a durable key cylinder assembly with matching keys, and a heavy-duty wiring harness with a sealed red OEM connector. Engineered for steering column installation, it adheres to Sinotruk’s strict quality standards for electrical conductivity and structural rigidity, ensuring reliable operation in high-vibration, dusty, and extreme temperature environments.
Core Functions
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Ignition & Start Control: Serves as the core interface for vehicle power management, enabling key-operated control of the ignition on/off sequence and engine cranking function.
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Anti-Theft Protection: The dedicated key cylinder design prevents unauthorized ignition, providing basic anti-theft security for the vehicle.
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Robust Electrical Performance: The heavy-duty internal contacts and wiring harness handle high starting currents without overheating, ensuring stable power transmission to the starter motor.
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Vibration & Corrosion Resistance: The zinc alloy housing resists corrosion and deformation, while the sealed connector and wire loom protect internal circuits from moisture, dust, and long-term chassis vibration.
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OEM Plug-and-Play Fit: Matches the original vehicle’s steering column mounting dimensions and electrical pinouts perfectly, supporting direct replacement without wiring modification or mechanical adjustment.
Sinotruk Starter Switch WG9925580103 – OEM Ignition Control for HOWO & SITRAK Heavy-Duty Trucks
Are you searching for a reliable, OEM-grade Sinotruk Starter Switch WG9925580103 that delivers consistent ignition performance across thousands of engine cycles? Mettlead supplies this critical starting control component directly from our quality-controlled production lines in China — giving procurement managers access to competitive factory pricing, complete traceability, and rapid lead times. Moreover, every unit undergoes strict electrical conductivity and structural rigidity testing before shipment, so you can confidently stock or install this part knowing it meets Sinotruk's original specifications.
Key Features and Benefits of the Sinotruk Starter Switch WG9925580103
When it comes to heavy-duty truck electrical systems, the ignition switch is a mission-critical component. Consequently, the Sinotruk Starter Switch WG9925580103 is engineered with several performance-driven features that translate directly into operational benefits for fleet operators and distributors alike.
- Precision-Machined Zinc Alloy Lock Cylinder Housing: This robust housing resists corrosion, mechanical wear, and vibration fatigue — extending service life even in the harshest operating environments.
- Complete Key Cylinder Assembly with Matching Keys: Each unit ships with factory-matched keys, eliminating compatibility issues and ensuring smooth, reliable ignition engagement from day one.
- Heavy-Duty Wiring Harness with Sealed Red OEM Connector: The sealed connector prevents moisture and dust ingress, which is essential for trucks operating in extreme temperature, humid, or dusty conditions.
- Steering Column Direct-Fit Design: Engineered as a drop-in replacement for Sinotruk HOWO A7, T7H, SITRAK C7H, and G7S models, this switch requires no modifications during installation.
- High-Vibration and Extreme Temperature Tolerance: Validated for continuous performance across wide temperature ranges and intense vibration profiles typical of long-haul and construction-site operations.
In addition to these technical advantages, sourcing the Sinotruk Starter Switch WG9925580103 from Mettlead means you benefit from flexible order quantities, white-label packaging options, and dedicated export documentation support. As a result, you can streamline your procurement process and reduce total landed costs significantly.
Technical Specifications
Below is a detailed specification table for the Sinotruk Starter Switch WG9925580103. These parameters are verified against OEM standards to ensure full compatibility and performance.
| Parameter | Specification |
|---|---|
| OEM Part Number | WG9925580103 |
| Brand Compatibility | Sinotruk HOWO A7, T7H, SITRAK C7H, SITRAK G7S |
| Component Type | Ignition Starter Switch Assembly |
| Housing Material | Precision-Machined Zinc Alloy |
| Connector Type | Sealed Red OEM Connector |
| Wiring Harness | Heavy-Duty, Factory-Terminated |
| Installation Position | Steering Column |
| Keys Included | Yes (Factory-Matched Set) |
| Operating Temperature Range | -40°C to +85°C |
| Vibration Resistance | Heavy-Duty (Meets Sinotruk OEM Standard) |
| Dust/Moisture Protection | Sealed Connector Design |
| Quality Standard | Sinotruk OEM Electrical Conductivity & Structural Rigidity |
| Origin | China |
| Supplier | Mettlead |
OEM/ODM Capabilities
At Mettlead, we understand that different markets have unique requirements. Therefore, we offer comprehensive OEM and ODM services for the Sinotruk Starter Switch WG9925580103 and our entire range of Sinotruk HOWO truck parts.
White-Label and Custom Packaging
Whether you need neutral packaging for your own brand distribution or custom-printed boxes with your company logo, our packaging team accommodates orders of all sizes. Furthermore, we provide multilingual labeling to meet import regulations in your target market.
Strict Quality Control Process
Every Sinotruk Starter Switch WG9925580103 passes through a multi-stage inspection process that includes:
- Raw material verification for zinc alloy composition and connector materials
- Dimensional accuracy checks on the lock cylinder housing
- Electrical continuity and resistance testing on the wiring harness
- Key engagement cycle testing for mechanical durability
- Final visual inspection and sealed packaging
Additionally, we welcome factory visits from international buyers. If you want to audit our production lines and quality systems firsthand, our team will arrange a comprehensive facility tour at your convenience.
Flexible Order and Payment Terms
We support a variety of secure payment methods including T/T, L/C, and trade assurance options. Meanwhile, our logistics team coordinates air freight, sea freight, and express courier shipments to ensure your Sinotruk Starter Switch WG9925580103 order arrives on schedule — regardless of destination.
Frequently Asked Questions
Is the Sinotruk Starter Switch WG9925580103 a genuine OEM-spec part?
Yes. This starter switch is manufactured to meet Sinotruk's original equipment specifications for electrical conductivity, structural rigidity, and environmental resistance. It is a direct-fit replacement for the factory-installed unit on compatible models.
Which Sinotruk truck models does the WG9925580103 fit?
The Sinotruk Starter Switch WG9925580103 is compatible with HOWO A7, T7H, SITRAK C7H, and SITRAK G7S heavy-duty trucks. It installs directly onto the steering column without any modification.
What is the minimum order quantity (MOQ)?
Mettlead offers flexible MOQs to accommodate both small trial orders and large bulk purchases. Please contact us with your quantity requirements for a tailored quotation.
How long does delivery take?
Standard lead time is 3–7 business days for in-stock items. For larger orders or custom-packaged units, production and delivery typically take 10–20 business days depending on destination. Our team provides tracking information for every shipment.
Can I order other Sinotruk electrical parts together?
Absolutely. Mettlead stocks a comprehensive range of Sinotruk electrical system components — including sensors, alternators, wiring harnesses, and control modules. Consolidating your order reduces shipping costs and simplifies your supply chain.
Do you offer warranty coverage?
Yes. All parts supplied by Mettlead, including the Sinotruk Starter Switch WG9925580103, carry a quality warranty. Specific terms depend on order volume and product category — reach out to our sales team for details.
Request Your Quotation Today
Ready to secure competitive factory-direct pricing on the Sinotruk Starter Switch WG9925580103? Mettlead makes procurement simple: send us your part number, required quantity, and delivery destination — and our team will respond with a detailed quotation within 24 hours.
Whether you need a single sample for testing or container-load quantities for distribution, we are your trusted partner for Sinotruk HOWO truck parts and heavy-duty truck components worldwide. Let us help you reduce costs, shorten lead times, and maintain the quality your customers expect.









