3774-00090 Ignition Switch for KINGLONG, HIGER, ZHONGTONG & GOLD DRAGON Buses
This high-quality ignition switch (OEM part number: 3774-00090) is engineered specifically for compatibility with KINGLONG, HIGER, ZHONGTONG, and GOLD DRAGON buses, including their mainstream coach and city bus models. As a critical component of the bus electrical control system, it enables key-controlled switching of main circuits, ignition coils, and other electrical systems to ensure stable engine startup and reliable operation.
Key Features & Benefits
- Advanced Structural Design: Features base assembly with 6 types of conductive sheets; rotating contact piece enables precise circuit control and stable contact performance
- Multi-Gear Control: Supports OFF-ACC-ON-START positions for flexible control of auxiliary appliances, ignition system, and starting system
- Durable Construction: High-strength engineering plastic housing with high-conductivity alloy contacts provides excellent insulation, corrosion resistance, and wear resistance
- Fully Sealed Protection: Prevents dust, moisture, and road debris ingress, avoiding short circuits and ensuring operation in temperatures from -30°C to +70°C
- Premium Contact Points: High-quality alloy materials with strong conductivity and oxidation resistance reduce contact resistance and prevent poor contact issues
- Extended Service Life: Tested durability of up to 100,000 switching cycles, significantly exceeding industry standards
- Direct OEM Replacement: Perfect fit for original mounting dimensions, interface specifications, and wiring harnesses - plug-and-play installation with no modifications required
Technical Specifications
| Attribute |
Specification |
| Part Number |
3774-00090 |
| Product Name |
Bus Ignition Switch |
| Compatible Brands |
KINGLONG, HIGER, ZHONGTONG, GOLD DRAGON Buses |
| Applicable Models |
Mainstream Coach & City Bus Models of Compatible Brands |
| Application |
Bus Electrical Control System (Main Circuit & Ignition System Control) |
| Construction Materials |
High-Strength Engineering Plastic (Housing), High-Conductivity Alloy (Contacts) |
| Operating Parameters |
Temperature Range: -30°C to +70°C; Service Life: ≥100,000 Switching Cycles |
| Key Features |
Multi-Brand Compatibility, Precise Control, Wear-Resistant, Waterproof, Stable Contact |
| Function |
Multi-Gear Control (OFF-ACC-ON-START), Main Circuit & Ignition System On-Off |
| Quality Testing |
Insulation Test, Contact Performance Test, Durability Test, Waterproof Test |
| Installation |
Direct OEM Replacement (Plug-and-Play, No Modification Required) |
| Condition |
Brand New, High-Quality OEM-Compatible |
| Origin |
China |
Product Images