478994G300 Differential Actuator for Hyundai Tucson NX4 Automatic Transmission
- Raw Material Inspection: High-quality aluminum and electrical components checked for purity and reliability.
- Precision Machining: Housing and components machined to exact OEM tolerances.
- Electrical Testing: Connectors, motors, and sensors tested for proper function.
- Functional Testing: Full-cycle operation test to verify actuator performance.
- Final Inspection: Visual and functional check before packaging to ensure defect-free delivery.
- Professional Installation Recommended: This part requires professional AWD system diagnostic and installation skills.
- Calibration: After installation, the vehicle’s AWD system may need to be calibrated using a diagnostic tool.
- Inspection: Before installation, check the wiring harness and connectors for damage to avoid premature failure.
- Packaging: Each unit is packed in anti-static packaging with shockproof foam to prevent damage during transportation. It is then placed in a sturdy standard export carton. Custom packaging is available upon request.
- Shipping: We support worldwide shipping via FEDEX, DHL, UPS, TNT, and EMS, offering door-to-door delivery services.
- Lead Time: In-stock orders are shipped within 1-5 working days after payment confirmation. Bulk orders will be processed according to production schedules.
We are a professional manufacturer & trade integrated company specializing in R&D, production, and sales of automatic transmission and AWD system parts. Our main products include transmission assemblies, differential actuators, valve bodies, solenoids, and repair kits.
We serve global auto parts wholesalers, transmission repair shops, and terminal vehicle maintenance centers, providing competitive pricing, strict quality control, and professional technical support.
Q1: Will this actuator fit my Hyundai Tucson NX4 MK4?
A1: This actuator is designed for Hyundai Tucson NX4 MK4 models. Please confirm your vehicle model and AWD system type before ordering.
Q2: Is this a new or used part?
A2: This is a brand-new differential actuator, manufactured to OEM standards and 100% tested before shipment.
Q3: What issues can this actuator resolve?
A3: It can fix common AWD system problems like warning lights, loss of rear wheel power, and actuator-related fault codes.
Q4: Do you offer wholesale pricing for repair shops?
A4: Yes, we offer discounted wholesale pricing for bulk orders and long-term cooperative partners such as repair shops and parts wholesalers. Please contact us for a detailed quotation.



Hyundai Tucson NX4 differential actuator
,automatic transmission actuator
,478994G300 transmission actuator
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