Toyota Wheel Hub Unit | OE: 43550-0R090

Core Part Information

This is a genuine front-wheel hub assembly engineered to Toyota's exact production specifications for Highlander (AXUH70/75) and Sienna (XL40) hybrid models (2020-2024). It integrates a pre-installed double-row angular contact ball bearing, precision-machined wheel hub, integrated magnetic 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: Exclusively designed for Toyota Highlander Hybrid (2020-2024) and Toyota Sienna Hybrid (2021-2024) modelsCondition: Brand New Genuine Toyota PartSold In Quantity: 1 unitManufacturer Warranty: Toyota Factory Limited Warranty (minimum 12 months)Weight: 3.8 kg (8.38 lbs)

Official Vehicle Fitment (Toyota Verified)

Exclusively designed for:

• Toyota Highlander Hybrid (AXUH70/75) (2020-2024 production) - all trim levels
• Toyota Sienna Hybrid (XL40) (2021-2024 production) - all trim levels

Fully compatible with hybrid powertrain configurations only (not for non-hybrid models).

Key Technical Specifications (Toyota 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 Toyota specifications
4. Flange Specifications:
   • Diameter: 136 mm (5.35 inches)
   • Mounting Holes: 4
   • Offset: 53 mm (2.09 inches)
5. Bolt Circle Diameter (PCD): 114.3 mm (5x114.3)
6. Brake Pilot Diameter: 70 mm (2.76 inches)
7. Material Construction: Forged high-strength steel hub and bearing components with corrosion-resistant finish meeting Toyota'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 Toyota'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 (Toyota Service Manual Guidelines)

• For professional installation only, following Toyota workshop service protocols
• Critical Torque Specifications (Toyota Official):
  • Axle Nut: 216-255 Nm (159-188 lb-ft)
  • Wheel Lug Nuts: 103 Nm (76 lb-ft)
• Must be replaced as a complete assembly (non-serviceable as individual components)
• Genuine Toyota parts required to maintain vehicle safety, performance, and manufacturer warranty coverage
• Verify vehicle model, year, and powertrain type before installation to ensure compatibility with 43550-0R090