42450-12051 Rear Wheel Hub Bearing Assembly Unit

Bolt-On Convenience: Fully assembled factory unit reduces mechanic labor time and eliminates the need for complex bearing pressing.
Integrated ABS Sensor: Provides real-time, error-free wheel speed data directly to the vehicle's electronic stability and braking systems.
High-Strength Flange: Forged steel construction resists warping and cracking under heavy payload and cornering stress.
Maintenance-Free: Completely sealed and pre-lubricated for life to withstand severe weather and road conditions.

Technical Data

Technical Parameter	Details
Dimensions	Exact OEM Specification Matching
Flange Type	4-Bolt / 5-Bolt Machined Steel Flange (Application Specific)
Lubrication	Pre-Greased with High-Temp Synthetic Lubricant
Quality Standard	ISO/TS 16949 Compliant

Product Specifications

Specification	Details
Item Type	Wheel Hub Bearing Assembly (Gen 3)
Model Number	42450-12051
Design	Flanged Hub Unit with Integrated Studs
Material	High-Strength Forged Steel & GCr15 Bearings
Sensor Type	Integrated ABS Speed Sensor

Product Introduction

The 42450-12051 is a comprehensive, premium-grade rear wheel hub assembly (often referred to as a Gen-3 hub unit) designed for direct automotive replacement. This highly integrated unit combines a precision double-row bearing, a robust mounting flange, wheel studs, and a built-in ABS sensor into one ready-to-install module. Engineered from high-strength forged steel, it ensures optimal wheel alignment, smooth rotation, and accurate braking signal transmission. It is an indispensable, high-value SKU for global auto parts distributors supplying professional garages and repair networks.

Applications

Rear wheel hub replacements for specific passenger vehicles (e.g., popular Japanese sedans/hatchbacks referencing this OEM number).
Automotive chassis and brake system overhauls.
Professional automotive aftermarket repair chains.

FAQ

Q: Does this assembly come with wheel studs pre-installed?
A: Yes, the 42450-12051 assembly includes pre-pressed, high-tensile wheel studs for a complete bolt-on installation.
Q: Are the ABS sensors tested before shipping?
A: Absolutely. Every hub unit undergoes rigorous electrical and magnetic flux testing to guarantee ABS sensor functionality prior to packaging.

OEM & Custom Service

B2B support includes customized laser etching on the flange, personalized retail box design with specific fitment labeling, and drop-shipping logistics capabilities.

Packing & Delivery

Hub assemblies are secured with protective stud caps and shock-absorbent foam inserts, packed in heavy-duty individual boxes, and palletized for safe ocean freight.