Starter Relay 21FJ-10090
Reliable Electrical Switching for Engine Startup
The Hyundai 21FJ-10090 is a critical electrical component engineered to manage the high-current demands of the engine starting circuit. By acting as an interface between the ignition switch and the starter motor, this relay prevents high electrical loads from damaging the ignition switch circuitry, ensuring reliable engine starting cycles and protecting the integrity of your excavator’s primary power system.
1. Technical Specifications
| Parameter | Detail |
|---|---|
| Part Number | 21FJ-10090 |
| Component Type | Starter Relay (Solenoid Relay) |
| Primary Function | Electrical switching for the starter motor circuit to prevent ignition switch overload |
| Compatibility | Extensive application across Hyundai 7 and 9-series excavator models |
2. Machine Compatibility
Engineered for reliable service in a wide range of machinery:
Hyundai Models: R55, R60, R140, R215, R225, and various other configurations within the Hyundai excavator range.
System Synergy: A fundamental electrical maintenance part that ensures consistent machine availability and startup reliability.
3. Maintenance & Installation Protocols
Service Interval: Replace as needed upon failure, or if you experience intermittent starting issues.
Diagnostic Indicators: Replace if the engine fails to crank, if you hear a single click but the starter does not engage, or if there is visible damage to the relay casing or electrical terminals.
Installation Tip: Check all terminal connections for oxidation or looseness when replacing the relay. A clean, tight connection is essential for the high-amperage flow required by the starter motor.
4. Technical Support & Logistics
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
WhatsApp: +86 13701956981
Email: [email protected]
Technical Note: The 21FJ-10090 is a standard, highly reliable electrical component across your fleet.