Sinotruk Ignition Switch WG9725580090
| Product Name | Ignition Switch |
| Product Number | WG9725580090 |
| MOQ | 1 |
| Warranty period | 3 Months |
| Package | Carton |
| Application | Sinotruk |
| Original | China |
Product Description
Product Introduction
This Ignition Switch WG9725580090 is an OEM core control component for Sinotruk heavy-duty trucks (e.g., HOWO 371, 336, T5G, A7). It features a precision-machined zinc alloy lock cylinder housing, a durable key cylinder assembly with two 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 primary 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 with unique tumbler configurations prevents unauthorized ignition, providing essential 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 and electrical system.
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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 Ignition Switch WG9725580090 – OEM Key Start Switch for HOWO Heavy-Duty Trucks
The Sinotruk Ignition Switch WG9725580090 is a factory-grade steering column start switch engineered for HOWO 371, HOWO 336, T5G, A7, and other Sinotruk heavy-duty truck models. Built with a precision-machined zinc alloy lock cylinder housing and a sealed OEM red connector, this ignition switch delivers consistent electrical conductivity and structural durability across extreme operating conditions — from high-vibration haul roads to dusty mining sites and temperature extremes.
Mettlead supplies this Sinotruk Ignition Switch WG9725580090 direct from certified production lines in China, giving fleet operators and parts distributors access to genuine OEM-spec quality at factory-direct pricing with fast, reliable global shipping.
Key Features and Buyer Benefits
Precision Zinc Alloy Lock Cylinder Housing
The lock cylinder housing of the Sinotruk Ignition Switch WG9725580090 is CNC-machined from high-density zinc alloy, providing superior corrosion resistance and mechanical rigidity. This ensures the switch maintains precise key engagement even after years of daily start cycles on heavy-duty trucks.
Complete Key Cylinder Assembly with Two Matching Keys
Each unit ships with a fully assembled key cylinder and two factory-cut matching keys, eliminating the need for locksmith services or additional procurement. The tumbler mechanism is calibrated to Sinotruk's anti-theft specifications.
Heavy-Duty Wiring Harness with Sealed Red OEM Connector
The integrated wiring harness features a sealed red connector that matches the original Sinotruk electrical system plug-and-play interface. The sealed design prevents moisture ingress and contact oxidation, maintaining reliable signal transmission in wet or dusty environments.
Engineered for Extreme Operating Environments
This ignition switch is validated for continuous performance under high vibration, wide temperature ranges (-40°C to +85°C), and heavy dust exposure — the exact conditions Sinotruk HOWO trucks face in mining, construction, and long-haul transport applications.
Direct OEM Replacement — Zero Modification Required
The WG9725580090 ignition switch mounts directly to the steering column using original bolt patterns and connector pinouts. Technicians can complete replacement in under 30 minutes without wiring modifications or adapter harnesses.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | WG9725580090 |
| Brand Compatibility | Sinotruk HOWO 371, HOWO 336, T5G, A7 |
| Component Type | Ignition Switch (Key Start Assembly) |
| Housing Material | Precision-Machined Zinc Alloy |
| Connector Type | Sealed Red OEM Connector |
| Keys Included | 2 Matching Keys |
| Installation Location | Steering Column |
| Operating Temperature | -40°C to +85°C |
| Vibration Resistance | Heavy-Duty (Mining/Construction Grade) |
| Electrical Rating | 24V DC System Compatible |
| Quality Standard | Sinotruk OEM Specification |
| Packaging Options | OEM Neutral / White-Label / Custom |
OEM and ODM Capabilities
White-Label and Custom Packaging
Mettlead offers flexible packaging solutions for the Sinotruk Ignition Switch WG9725580090. Whether you need neutral packaging for your own brand distribution or custom-printed boxes with your company logo, part numbers, and barcodes, our packaging team accommodates orders of all sizes.
Strict Quality Control Process
Every Sinotruk Ignition Switch WG9725580090 undergoes multi-stage inspection including dimensional verification, electrical continuity testing, key cylinder engagement testing, and connector seal integrity checks before shipment. Defect rates are maintained below 0.3%.
Factory-Direct Supply Chain Advantage
As a China-based supplier with direct factory relationships, Mettlead eliminates middleman markups on the WG9725580090 and the full range of Sinotruk HOWO truck parts. This means procurement managers get competitive unit pricing, especially on bulk orders, without sacrificing OEM-level quality.
Comprehensive Electrical Parts Catalog
Beyond this ignition switch, Mettlead stocks a complete range of electrical system components for Sinotruk and other Chinese heavy truck brands including SHACMAN, FAW, DONGFENG, and FOTON — simplifying multi-part procurement under a single supplier.
Frequently Asked Questions
Which Sinotruk truck models does the WG9725580090 ignition switch fit?
The Sinotruk Ignition Switch WG9725580090 is a direct-fit replacement for HOWO 371, HOWO 336, HOWO T5G, and HOWO A7 models. It is designed for steering column installation and uses the standard Sinotruk electrical connector interface.
Is this ignition switch an original OEM part or aftermarket?
Mettlead supplies OEM-specification parts manufactured to Sinotruk's original design standards. The WG9725580090 meets the same dimensional, electrical, and durability requirements as factory-installed units.
What is the minimum order quantity for the Sinotruk Ignition Switch WG9725580090?
We support flexible order quantities — from single-piece sample orders to bulk container shipments. Volume pricing is available for procurement managers placing recurring or large-quantity orders.
How long does delivery take?
Standard in-stock items ship within 1–3 business days. Typical international delivery ranges from 7–25 days depending on destination and shipping method. Express air freight options are available for urgent requirements.
Can I visit the factory before placing a large order?
Yes. Mettlead welcomes buyer visits to our facilities in China. We can arrange factory tours, quality inspection sessions, and face-to-face meetings to build long-term procurement confidence.
Do you offer custom packaging with our company branding?
Absolutely. White-label and custom-branded packaging is available for the Sinotruk Ignition Switch WG9725580090 and all products in our catalog. Provide your artwork and specifications, and our team handles the rest.
Get a Competitive Quote for the Sinotruk Ignition Switch WG9725580090
Ready to secure factory-direct pricing on the Sinotruk Ignition Switch WG9725580090? Whether you need a single sample for testing or a bulk shipment for your distribution network, Mettlead's team responds to inquiries within 24 hours with pricing, lead times, and shipping options tailored to your requirements.
Send Your Inquiry Now
— include your target quantity, destination country, and any packaging preferences for the fastest quote turnaround.
Browse our full selection of Sinotruk HOWO truck parts or explore all available electrical system components for Chinese heavy-duty trucks.
