Genuine Mazda Front Wheel Hub & Bearing Assembly • NE51-33-04XA

Genuine Mazda NE51-33-04XA Front Wheel Hub & Bearing Assembly

Replacement Genuine Mazda front wheel hub and bearing assembly for Mazda MX-5 Mk3, Mk3.5 and Mk3.75 / NC models with 1.8L and 2.0L petrol engines from 2005/2006 to 2015 listed in the compatibility table.

The assembly mounts to the front steering knuckle and supports the road wheel and brake disc while allowing the wheel to rotate smoothly. The wheel bearing is incorporated within the hub assembly, providing a complete replacement unit rather than a separate press-fit bearing.

The hub transfers vehicle weight, braking loads and cornering forces between the wheel and front suspension. Accurate bearing clearances and hub-flange alignment are essential for smooth wheel rotation, correct brake-disc positioning and stable wheel support.

The assembly is compatible with the vehicle's ABS system. The ABS wheel-speed sensor itself is a separate component unless specifically shown or stated.

The same assembly fits the front-left and front-right sides. This listing supplies one Genuine Mazda front wheel hub and bearing assembly for one side. Two assemblies are fitted per vehicle.

Replacement may be required where the original bearing develops internal wear, roughness or excessive movement, or where the hub flange, wheel-stud mounting or ABS-related features become damaged. Possible symptoms include humming, droning or rumbling that increases with road speed, wheel play, vibration, brake-disc runout, uneven tyre wear or irregular ABS operation.

• Part type: Front wheel hub and bearing assembly
• Primary use: Supports the front wheel and allows smooth wheel rotation
• Location: Front steering knuckle / wheel hub assembly
• Fitting position: Front left or front right
• Vehicle application: Mazda MX-5 Mk3, Mk3.5 and Mk3.75 / NC
• Engine applications: 1.8L L8-DE and 2.0L LF-VE
• Bearing arrangement: Bearing incorporated within the hub assembly
• ABS compatibility: Suitable for ABS-equipped vehicles
• Quantity per side: One
• Quantity per vehicle: Two
• Quantity supplied: One hub and bearing assembly
• Brand: Genuine Mazda
• Part No.: NE51-33-04XA
• Also referenced as: NE513304XA
• Supersedes: NE51-33-04X / NE513304X

Fitment advice: This assembly fits either front side of the MX-5 NC. Confirm that the vehicle retains the original Mazda steering knuckle, hub mounting and ABS arrangement. Compare the original mounting flange, wheel-stud layout and electrical or magnetic ABS interface before installation.

Other items to consider: When changing this part, you may also want to consider purchasing the hub mounting bolts, front hub nut or retaining hardware where applicable, ABS wheel-speed sensor, brake-disc retaining hardware and any suspension or brake fasteners disturbed during removal.

Useful tools / consumables: Socket set, breaker bar, hub or bearing puller where required, torque wrench, penetrating fluid, wire brush, brake cleaner and suitable lifting and vehicle-support equipment.

Difficulty guide: DIY Difficulty: Moderate to Advanced. Replacement normally requires removal of the front brake components and access to the hub mounting points. Corroded fasteners or a seized hub may require specialist removal equipment.

Why Genuine Mazda? Genuine Mazda hub and bearing assemblies are manufactured to the intended bearing clearances, mounting dimensions, flange runout and ABS compatibility requirements. Using the correct OE assembly helps maintain smooth wheel rotation, secure wheel support and compatibility with the original Mazda steering knuckle, brake disc and wheel-speed monitoring system.

What’s in the box: One Genuine Mazda front wheel hub and bearing assembly, part number NE51-33-04XA. The ABS sensor, mounting bolts, brake disc, brake components and other installation hardware are not included unless specifically shown or stated separately.

Installation notes: Inspect and clean the steering-knuckle mounting surface before installation. Check the ABS sensor and associated wiring for corrosion or damage, and avoid striking or contaminating the magnetic encoder area. Tighten the hub, brake and suspension fasteners to the applicable Mazda specifications. Confirm that the wheel rotates smoothly without play and that no ABS warning light remains after installation.