Hyundai Wheel Hub Unit | OE: 51730-L4000

Core Part Information

This is a genuine front-wheel hub assembly engineered to Hyundai's exact production specifications for Sonata 10 (DN8) and other compatible models. It integrates a pre-installed double-row angular contact ball bearing, precision-machined wheel hub, integrated 48-tooth ABS encoder ring, wheel studs, and mounting flange into a single service-ready unit for direct factory replacement. The assembly provides stable wheel support, enables precise wheel speed sensing for ABS/ESP systems, and handles both radial and axial loads during driving and cornering.Position: Front Axle (universal fit for both Left and Right sides)Application: Compatible with select Hyundai Sonata DN8 (2020-2024) models (varies by market and trim level)Condition: Brand New Genuine Hyundai PartSold In Quantity: 1 unitManufacturer Warranty: Hyundai Factory Limited Warranty (minimum 12 months)Weight: 3.5 kg (3500 g)

Official Vehicle Fitment (Hyundai Verified)

Exclusively designed for:

• Hyundai Sonata 10 (DN8) (2020-2024 production) - specific trims may apply
• May also be compatible with select Kia K5 (GT1) models (check vehicle VIN for exact fitment)

Fully compatible with both gasoline and hybrid powertrain configurations (verify specific application before installation).

Key Technical Specifications (Hyundai Official Standards)

1. Bearing System: Double-row angular contact ball bearing, permanently sealed and pre-greased for lifetime lubrication (non-serviceable as individual components)
2. ABS Encoder Ring: Integrated magnetic tone ring with 48 teeth for precise wheel speed detection, enabling anti-lock braking system (ABS), traction control (TCS), and electronic stability program (ESP) functionality
3. Wheel Studs: 5 studs with M12×1.5 thread pitch, factory-torqued to Hyundai specifications
4. Flange Specifications:
   • Diameter: 136 mm (official Hyundai specification)
   • Mounting Holes: 4
   • Offset: 53 mm
5. Bolt Circle Diameter (PCD): 114.3 mm (5x114.3)
6. Brake Pilot Diameter: 70 mm
7. Material Construction: Forged high-strength steel hub and bearing components with corrosion-resistant finish meeting Hyundai's rigorous material standards

Core Features & Performance Attributes

1. Integrated OEM Design: Combines all critical hub components into a single unit, eliminating assembly errors and ensuring consistent factory performance
2. Precision Engineered: Manufactured to Hyundai's strict tolerances for optimal rotational balance, minimizing vibration and extending bearing service life
3. Sealed Protection: Advanced labyrinth seals prevent contamination from moisture, dust, and road debris, maintaining bearing integrity in extreme driving conditions
4. Non-Driven Functionality: Specifically designed for front wheels that do not receive torque from the drivetrain, optimized for load-bearing and steering performance
5. Plug-and-Play Installation: Engineered for straightforward professional replacement without requiring specialized modifications or component matching

Important Installation & Safety Notes (Hyundai Service Manual Guidelines)

• For professional installation only, following Hyundai workshop service protocols
• Critical Torque Specifications (Hyundai Official):
  • Axle Nut: 216-255 Nm (159-188 lb-ft)
  • Wheel Lug Nuts: 108-127 Nm (80-94 lb-ft)
• Must be replaced as a complete assembly (non-serviceable as individual components)
• Genuine Hyundai parts required to maintain vehicle safety, performance, and manufacturer warranty coverage
• Verify vehicle model, year, and trim level before installation to ensure compatibility with 51730-L4000