Ignition Key Assembly 3704910LE010 for JAC N56 N75 N80 N90 N120 — Verified OEM Lock Set with 2 Keys, ISO/TS16949 Certified
Key Attributes
Product Summary
Verified OEM ignition lock assembly 3704910LE010 for JAC N56-N120 trucks. Features die-cast zinc housing, brass contacts tested to 100,000 cycles (<50mΩ), and 50,000 key cycles. ISO/TS16949 certified, includes 2 keys, 98.5% fitment rate. 12-month warranty.
Product Details
Ignition Key Assembly 3704910LE010
,JAC N56 N75 N80 N90 lock set
,OEM ignition lock with 2 keys
The Ignition Key Assembly 3704910LE010 is a verified direct-fit replacement for JAC N-Series light trucks including N56, N75, N80, N90, and N120 models. This ignition lock assembly is a critical component of the vehicle's electrical and starting system, responsible for activating the starter motor, powering the ignition circuit, and securing the vehicle against unauthorized use. The assembly includes the ignition lock cylinder and 2 matching keys.
- Real Bench Test Data: The ignition switch contacts passed 100,000 on/off cycles with contact resistance below 50 mΩ — verified on an electrical endurance test bench according to ISO 16750-4 standards for vehicle electrical components.
- Proven Durability: The lock cylinder mechanism passed 50,000 key insertion/removal cycles with no sticking or key wear failure — based on accelerated life testing simulating 10 years of normal operation.
- Installation Success Rate: 98.5% direct plug-and-play fitment — confirmed across 500+ repair orders for JAC light trucks in West Africa and Southeast Asia.
- OEM Cross-Reference Verified: Replaces JAC OEM 3704910LE010. Manufactured under ISO/TS16949 quality management standards.
- Key turns but engine does not crank (worn ignition switch contacts)
- Key is difficult to insert or remove from the lock cylinder
- Steering wheel does not unlock when key is turned
- Ignition does not return from START to ON position automatically
- Dashboard lights flicker or accessories lose power while driving
| Part Number | 3704910LE010 |
|---|---|
| Product Name | Ignition Key Assembly |
| Car Model | JAC N56, N75, N80, N90, N120 |
| Engine Model | JAC N56, N75, N80, N90, N120 |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Installation | Direct OEM replacement |
| Quality Standard | OEM equivalent / ISO quality control |
| Weight | Standard |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Package | Neutral packing or as requested |
| Warranty | 6 Months |
| Price & Stock | Please contact us for more information |
| Feature | Benefit & Verification Signal |
|---|---|
| Die-cast zinc alloy lock housing | Superior mechanical strength and tamper resistance — verified by 50,000 key cycle test. |
| Brass electrical contacts | Stable electrical conductivity and long service life — verified by 100,000 on/off cycles (resistance <50 mΩ). |
| Precision tumbler mechanism | Smooth key operation and reliable anti-theft protection — verified by 98.5% installation success rate. |
| Complete set with 2 keys | Ready to install, no additional key cutting required — verified by 500+ repair order feedback. |
| ISO/TS16949 certified production | Consistent quality and dimensional accuracy — verified by third-party quality system audit. |
| QC Item | Verification Method |
|---|---|
| Dimension accuracy | CMM inspection against OEM drawing |
| Contact resistance | Milliohm meter (measured <50 mΩ) |
| Electrical endurance | 100,000 on/off cycle test bench |
| Key cycle life | 50,000 insertion/removal cycle test |
| Material hardness | Rockwell hardness tester (HRB 60–75 for zinc alloy) |
| Visual inspection | 100% inspection for casting defects and key matching |
- Disconnect the battery negative terminal.
- Remove the steering column shroud to access the ignition lock.
- Insert the key and turn to ACC position to release the lock cylinder retaining pin.
- Remove the old ignition lock assembly.
- Install the new 3704910LE010 assembly and secure the retaining pin.
- Reconnect the electrical connector to the ignition switch.
- Reconnect battery and test all key positions (ACC, ON, START).
- Inspect key for wear every 20,000 km.
- Apply graphite lubricant to the lock cylinder if key operation becomes stiff.
- Replace the assembly if the key spins freely or the engine fails to crank.
- Each set packed in a neutral box with the ignition lock assembly and 2 keys.
- Suitable for: Auto repair shops, fleet maintenance centers, JAC parts wholesalers.
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