Sinotruk Left Combinatory Switch WG9730583117
| Product Name | Left Combinatory Switch |
| Product Number | WG9730583117 |
| MOQ | 1 |
| Warranty period | 3 Months |
| Package | Carton |
| Application | Sinotruk |
| Original | China |
Product Description
Product Introduction
This Left Combinatory Switch WG9730583117 is an OEM control component for Sinotruk heavy-duty trucks (e.g., HOWO 371, 336, T5G). It features a robust black plastic stalk with a raised triangular indicator, a precision internal contact mechanism housed in a zinc alloy base, and a heavy-duty wiring loom with sealed color-coded connectors (red and yellow). Designed for installation on the left side of the steering column, it provides a unified, ergonomic interface for controlling multiple vehicle systems. Manufactured to strict quality standards, it ensures reliable, tactile operation in high-vibration, dusty, and extreme temperature operating environments.
Core Functions
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Multi-Function Control: Integrates control of critical vehicle systems, including turn signals, headlight low/high beam, and daytime running lights, all within easy reach of the driver.
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Ergonomic Operation: The stalk-style design and raised indicator allow for intuitive, safe operation without the driver needing to take their eyes off the road.
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Durable Contact Mechanism: Precision-engineered internal contacts ensure consistent electrical connection and reliable switching, preventing intermittent operation or failure over extended use.
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Sealed & Weather-Resistant: The sealed construction, rubber boot, and color-coded connectors provide excellent resistance to moisture, dust, and vibration, ensuring a long service life in harsh operating conditions.
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OEM Compatibility: Matches the original vehicle’s steering column mounting points and electrical specifications, ensuring a perfect fit and seamless integration with the vehicle’s electrical system.
Sinotruk Left Combinatory Switch WG9730583117 – OEM Steering Column Control for HOWO Heavy-Duty Trucks
The Sinotruk Left Combinatory Switch WG9730583117 is a factory-grade steering column control unit engineered for HOWO 371, HOWO 336, T5G, and other Sinotruk heavy-duty truck models. This multi-function combination switch delivers precise, tactile control of turn signals, headlights, and auxiliary systems through a single ergonomic stalk — built to perform reliably across millions of cycles in the harshest operating conditions. Sourced directly from Mettlead's quality-controlled supply chain in China, this OEM replacement part ships fast and arrives ready for drop-in installation with zero modifications.
Key Features and Benefits of the Sinotruk Left Combinatory Switch WG9730583117
Engineered for Extreme Durability
Heavy-duty trucks operate in high-vibration, dusty, and extreme temperature environments. The WG9730583117 left combinatory switch addresses these challenges with a zinc alloy internal base that resists corrosion and mechanical fatigue, paired with a reinforced black plastic stalk designed to withstand years of daily use without cracking or loosening.
Precision Internal Contact Mechanism
Every actuation of this Sinotruk combinatory switch engages a precision-machined contact mechanism that ensures consistent electrical connectivity. This eliminates intermittent signal failures — a common issue with aftermarket alternatives — keeping turn indicators and lighting systems responsive at all times.
Sealed Color-Coded Wiring Loom
The integrated heavy-duty wiring loom features sealed red and yellow connectors that prevent moisture ingress and simplify installation. Color-coded terminals allow technicians to complete the swap quickly, reducing vehicle downtime and labor costs for fleet operators.
Raised Triangular Indicator for Intuitive Operation
A tactile raised triangular indicator on the stalk allows drivers to locate and operate the switch by touch alone — critical for maintaining eyes-on-road safety during nighttime driving or adverse weather conditions.
Direct OEM Replacement — No Modifications Required
As a genuine OEM-specification part, this Sinotruk left combinatory switch WG9730583117 matches original factory dimensions, connector pinouts, and mounting points. It installs directly onto the left side of the steering column without adapters, brackets, or rewiring.
Technical Specifications
| Parameter | Details |
|---|---|
| OEM Part Number | WG9730583117 |
| Brand Compatibility | Sinotruk (HOWO 371, HOWO 336, T5G, A7) |
| Installation Position | Left side of steering column |
| Function | Multi-function combinatory switch (turn signals, headlights, auxiliary controls) |
| Stalk Material | Reinforced black engineering plastic |
| Base Material | Zinc alloy |
| Connector Type | Sealed color-coded connectors (red and yellow) |
| Wiring | Heavy-duty wiring loom with sealed terminals |
| Operating Temperature | -40°C to +85°C |
| Vibration Resistance | Designed for heavy-duty commercial vehicle environments |
| Quality Standard | OEM-equivalent, strict quality control |
| Packaging Options | Original / White-label / Custom packaging available |
OEM and ODM Capabilities
Factory-Direct Supply with Custom Packaging
Mettlead supplies the Sinotruk Left Combinatory Switch WG9730583117 directly from verified manufacturing facilities in China, eliminating middlemen and delivering competitive factory pricing for bulk procurement. Whether you need 50 units or 5,000, we scale to your order volume with consistent lead times.
White-Label and Custom Branding
Distributors and aftermarket retailers can request white-label or custom-branded packaging for this combinatory switch. We accommodate your brand identity requirements — from printed boxes to labeled connectors — so you can resell under your own marque without compromise.
Strict Quality Control Process
Every batch of WG9730583117 switches undergoes multi-point inspection including electrical continuity testing, connector seal verification, stalk torque measurement, and visual inspection. Defective units are rejected before shipment, ensuring your inventory maintains the reliability your customers expect.
Flexible and Secure Payment
We support multiple secure payment methods tailored to international B2B transactions, including T/T, L/C, and trade assurance options. Our terms are designed to protect both parties and facilitate smooth cross-border procurement.
Explore our full range of Sinotruk HOWO truck parts and spare parts or browse all available electrical system components for Chinese heavy-duty trucks.
Frequently Asked Questions
What trucks does the Sinotruk Left Combinatory Switch WG9730583117 fit?
This switch is designed as a direct OEM replacement for Sinotruk heavy-duty trucks including the HOWO 371, HOWO 336, HOWO T5G, and HOWO A7 series. It mounts on the left side of the steering column and matches the original factory connector pinout.
Is this an original Sinotruk part or aftermarket?
Mettlead supplies OEM-specification parts manufactured to the same standards as original equipment. The WG9730583117 combinatory switch meets original dimensional, electrical, and durability specifications, ensuring full compatibility and long service life.
What is the minimum order quantity?
We accommodate orders from single-unit samples to large bulk shipments. Contact our sales team for specific MOQ details and volume pricing for the Sinotruk left combinatory switch WG9730583117.
How long does delivery take?
Standard orders ship within 3–7 business days from our warehouse. Large custom or white-label orders typically require 15–25 days depending on quantity and packaging requirements. We provide tracking information for all shipments.
Can I visit the factory before placing a large order?
Yes. Mettlead welcomes procurement managers and distributors to visit our facilities in China for on-site inspection. We arrange factory tours, quality process demonstrations, and face-to-face meetings to build long-term supply partnerships.
Do you supply other Sinotruk electrical components?
Absolutely. Beyond the WG9730583117 left combinatory switch, we stock a comprehensive catalog of Sinotruk electrical parts including right combinatory switches, wiper motors, instrument clusters, and wiring harnesses. View our complete electrical parts catalog.
Get a Competitive Quote for the Sinotruk Left Combinatory Switch WG9730583117
Ready to secure reliable supply of the WG9730583117 combinatory switch at factory-direct pricing? Whether you need a sample for testing or bulk quantities for your distribution network, Mettlead delivers quality Sinotruk parts with fast turnaround and flexible terms.
Contact us now
with your required quantity, destination country, and any custom packaging needs. Our team responds within 24 hours with pricing, lead time, and shipping options tailored to your procurement schedule.
