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Choosing the right wheel hub assembly for your Mazda CX-30 matters for safety and vehicle feel. A properly functioning hub keeps the wheel secure, maintains correct wheel alignment, and helps prevent noise and premature tire wear. This guide presents the top shortlisted wheel hub assemblies for the CX-30, selected for their fitment reliability and bearing durability. We evaluated each option on build quality and bearing performance to help you identify which units best suit your driving needs. Read on for concise guidance before the product list.
Looking for other parts? See all Mazda CX-30 parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Sawyer Auto Rear Wheel Bearing and Hub Assembly for 2019-2023 Mazda 3 / CX-30 (2.5L AWD) |  |
| Best Quality Built to a higher standard if you want something more solid | MAC Rear Wheel Hub and Bearing Assembly (pair) for Mazda CX-30 AWD 2020–2023 |  |
| Best Value The sweet spot between price and what you get | AM Autoparts Wheel Bearing & Hub Assembly for 2019–2021 Mazda 3 and 2020–2021 CX-30 (Rear) |  |
| Best Budget The cheapest option that still gets the job done reliably | TRQ Wheel Bearing & Hub Assembly (Rear) for Mazda 3 / CX-30 |  |
| Highest Rated A top-rated pick with lots of positive feedback | Roneeson Rear Left and Right Wheel Bearing Hub Assembly for Mazda 3 / CX-30 AWD |  |
| Most Popular A crowd favorite that many people choose with confidence | PartCatalog Rear Wheel Bearing and Hub Assembly for Mazda CX-30 (Rear) |  |
| Best Seller A high-volume bestseller chosen again and again | LDGSUPH Front Wheel Hub Bearing Compatible with Mazda 3 / CX-30 (2018- ) |  |
1. Sawyer Auto Rear Wheel Bearing and Hub Assembly for 2019-2023 Mazda 3 / CX-30 (2.5L AWD)
| Location | Rear |
|---|---|
| Fitment | 2019-2023 Mazda 3, CX-30 (2.5L 4 Cylinder) AWD |
| Manufacturer | Sawyer Auto |
| Manufacturer Part Number | PAT-579577 |
This rear wheel bearing and hub assembly from Sawyer Auto is a direct-fit replacement intended for the rear axle of 2.5L AWD Mazda 3 and CX-30 models from 2019 through 2023. It replaces the complete hub and bearing in one unit, so installation is straightforward for shops or experienced DIYers replacing a worn hub. The listing emphasizes modern tooling and higher-grade materials versus the original part, and the unit is preassembled which saves time compared with pressing in a separate bearing. That preassembly and factory-aligned fitment help restore wheel alignment and ABS tone ring function without extra machining. The practical benefits are easier installation, reduced downtime, and a like-for-like replacement that should meet daily driving demands. Limitations are the unit is vehicle- and engine-specific so confirm the 2.5L AWD fitment before ordering and you will still need proper torque and wheel-end inspection at install to avoid premature wear.
Best for: Balanced owners seeking a reliable, factory-style replacement hub that restores wheel-end function with minimal fuss and good durability for everyday driving.
Less Ideal for: Those needing a universal or performance-upgraded hub or anyone who does not have the tools or skill to perform wheel-end service should consider professional installation or alternative products.
- Direct-fit, preassembled hub and bearing simplifies installation and replaces the entire wheel hub unit
- Designed with modern tooling and higher-grade materials for improved durability over older designs
- Specifically matched to 2019–2023 Mazda 3 and CX-30 2.5L AWD fitment, preserving factory mounting and ABS tone ring function
- Fitment is limited to the specified model and drivetrain so it is not universal
- Requires proper installation torque and wheel-end inspection by a professional or skilled DIYer to ensure longevity
Verdict: A ready-to-install, factory-style rear hub assembly that restores wheel-end function for 2.5L AWD Mazda 3 and CX-30 models with minimal hassle.
2. MAC Rear Wheel Hub and Bearing Assembly (pair) for Mazda CX-30 AWD 2020–2023
| Brand Name | MAC |
|---|---|
| Part Number | 232412 |
| Manufacturer | Mac Auto Parts |
| Fits | Mazda CX-30 AWD produced in Mexico 2020-2023 |
This MAC rear hub and bearing assembly set replaces the rear wheel hubs on Mazda CX-30 AWD models produced in Mexico between 2020 and 2023. Sold as a pair, the assemblies come pre-mounted and are intended as direct factory-quality replacements to restore wheel bearing function and wheel mounting integrity. They are manufactured in ISO certified facilities and described as meeting or exceeding factory specifications, which should translate to long service life and consistent behavior under spirited driving. Typical use is a like-for-like replacement during a bearing failure or when installing new rear hubs during a suspension or brake job. Practical benefits include simpler installation compared with separate races and bearings and eliminating the need for press-fit operations. Limitations are fitment specificity to AWD CX-30s produced in Mexico and lack of explicit bearing preload or lifetime data from the listing, so buyers should confirm factory reference numbers before ordering and expect to follow torque and alignment procedures during installation.
Best for: Performance-oriented owners who prioritize restoring factory-level wheel-end reliability and want a direct, pre-assembled replacement that supports spirited driving and repeated use.
Less Ideal for: Buyers seeking a universal or low-cost generic hub for non-Mexico production CX-30s or those requiring documented long-term bearing life data and OEM part certification.
- Sold as a matched pair for rear axle replacement, simplifying repairs
- Pre-assembled hub and bearing unit removes need for press-fit installation
- Manufactured in ISO certified factories and marketed to meet or exceed factory specifications
- Designed specifically for Mazda CX-30 AWD models produced in Mexico, improving fit accuracy
- Fitment limited to AWD CX-30s produced in Mexico, not suitable for non-Mexico assemblies
- Listing does not provide bearing preload, manufacturing date, or explicit lifespan information
Verdict: A pre-assembled, factory-fit replacement pair aimed at performance-minded CX-30 AWD owners who want a straightforward way to restore rear wheel bearing reliability.
3. AM Autoparts Wheel Bearing & Hub Assembly for 2019–2021 Mazda 3 and 2020–2021 CX-30 (Rear)
| Brand Name | AM Autoparts |
|---|---|
| Included Components | Wheel Bearing & Hub Assembly |
| Part Number | AM-2496929524 |
| Warranty Description | 2 years |
This AM Autoparts wheel bearing and hub assembly is a pre-assembled replacement intended for the rear positions of 2019–2021 Mazda 3 and 2020–2021 Mazda CX-30 front-wheel-drive models. It replaces the wheel hub, bearing, and seals in one unit, which simplifies installation compared with rebuilding the bearing alone and reduces shop time. The listing cites compatibility with both driver and passenger rear sides and references common OEM cross numbers for fit confirmation. For a practical optimizer looking for value, the factory-style fit and included components mean a straightforward swap that restores wheel alignment and reduces noise or play from a failing hub. Limitations are that this is a vehicle-specific replacement so it must match the exact model year and rear-drive position, and the listing does not include detailed material or performance data beyond basic compatibility. There is a two-year warranty noted by the brand but buyers should still verify vehicle fitment before installing.
Best for: Practical optimizers who prioritize straightforward, cost-effective repairs and want a direct-replacement rear hub for 2019–2021 Mazda 3 or 2020–2021 CX-30 that minimizes installation time.
Less Ideal for: Buyers seeking high-performance or upgraded hub assemblies for racing or heavy-duty use should consider performance-specific alternatives instead of a factory-style replacement.
- Pre-assembled hub and bearing reduces installation time compared with separate components.
- Listed as direct-fit for specified 2019–2021 Mazda 3 and 2020–2021 CX-30 rear positions to simplify replacement.
- Includes wheel bearing and hub assembly so no need to source additional parts.
- Manufacturer lists common OEM reference numbers to aid fit confirmation.
- Product page lacks detailed material or load rating specifications for long-term performance assessment.
- Compatibility is limited to specific model years and rear positions so exact fitment verification is required.
Verdict: A ready-to-install, factory-style rear hub and bearing assembly that restores fit and function for specified Mazda 3 and CX-30 models while keeping repair costs low.
4. TRQ Wheel Bearing & Hub Assembly (Rear) for Mazda 3 / CX-30
| Position | Rear Left, Rear Right |
|---|---|
| Bearing Type | Ball |
| Anti Lock Braking System | Encoder |
| Wheel Stud Quantity | 5 |
This TRQ wheel bearing and hub assembly is a pre-assembled replacement intended for the rear left or right positions on 2019–2021 Mazda 3 and 2020–2021 CX-30 front-wheel-drive models. It arrives with wheel studs installed and is built to match factory mounting points so it can be swapped in without modifications, which simplifies DIY or shop installs. The unit uses a ball-type bearing with an integrated ABS encoder and includes wheel studs but not flange bolts or an ABS sensor. In practice that means quicker installation when the existing hardware is reusable, and the integrated encoder maintains ABS function on compatible vehicles. As a budget pick, it focuses on straightforward compatibility and value rather than premium materials or bundled fasteners. Buyers should confirm fitment for their exact VIN and plan to reuse or separately source flange bolts and an ABS sensor if their vehicle requires new hardware. Overall it is a practical, cost-conscious replacement for owners restoring rear hub function on the specified Mazda models.
Best for: Budget-conscious Mazda owners who prioritize a straightforward, lower-cost factory-style replacement to restore rear hub function without paying for premium-brand options.
Less Ideal for: Owners seeking a fully comprehensive kit with new fasteners and sensors included or those who want high-end performance bearings for track use should consider other options.
- Pre-assembled direct-fit design for 2019–2021 Mazda 3 and 2020–2021 CX-30 rear positions
- Includes wheel studs which reduces steps during replacement
- Integrated ABS encoder preserves anti-lock braking system function
- Ball-type bearing and machined exterior aimed at reliable basic performance
- Flange bolts and ABS sensor are not included so additional parts may be needed
- No explicit warranty information provided in the product details
Verdict: A cost-effective, pre-assembled rear hub assembly that restores rear wheel and ABS function on specified Mazda 3 and CX-30 models with minimal modification.
5. Roneeson Rear Left and Right Wheel Bearing Hub Assembly for Mazda 3 / CX-30 AWD
| Fitment | Mazda 3 2.5L 2019-2025 AWD; CX-30 2.5L 2020-2024 AWD |
|---|---|
| Unit Count | 2.0 Count |
| Included Components | Rear Left and Right Wheel Bearing and Hub Assembly |
| Brand Name | Roneeson |
These Roneeson hub assemblies replace the rear left and right wheel bearings and hubs on AWD Mazda CX-30 and Mazda 3 with the 2.5L engine. They come as a matched pair so both sides are serviced together, which helps restore steering stability and eliminates wheel play and typical bearing noise. Installation follows the same steps as a factory replacement hub and the assemblies include the bearing pre-pressed into the hub to speed up fitment. For reliability-focused buyers the main benefit is returning a solid, factory-style mounting point for the wheel and brake rotor so you regain expected handling and ABS sensor alignment. Be aware this is a direct-fit aftermarket unit rather than a dealer part so paint, coating, or minor finish differences are possible and installation should be done with proper torque and hub press tools to avoid premature issues. The set is best used when both rear hubs show wear or after a service to ensure even performance and longevity.
Best for: Reliability-focused owners seeking a straightforward, factory-style replacement to restore rear wheel stability and ABS function on AWD Mazda CX-30 vehicles.
Less Ideal for: Buyers looking for OEM-sourced parts for warranty or exact finish matching should consider factory-sourced replacements instead.
- Sold as a matched left and right pair for consistent fit and performance
- Pre-assembled bearing and hub reduces installation time compared with separate components
- Specifically listed to fit AWD Mazda 3 (2.5L) 2019–2025 and CX-30 (2.5L) 2020–2024, simplifying vehicle matching
- Aftermarket unit may differ in finish and minor details from factory parts
Verdict: A matched pair of pre-assembled rear hub and bearing units that restore rear wheel stability and handling on AWD Mazda CX-30 and Mazda 3 models.
6. PartCatalog Rear Wheel Bearing and Hub Assembly for Mazda CX-30 (Rear)
| Brand | PartCatalog |
|---|---|
| Model | Wheel Bearing and Hub Assembly |
| Position | Rear |
This PartCatalog rear wheel bearing and hub assembly is a direct-fit replacement designed for the rear of Mazda CX-30 models. It replaces a worn or damaged hub and bearing with a unit manufactured to factory specifications for an exact fit and straightforward installation. The unit ships as a complete assembled hub and bearing, which reduces installation time and eliminates the need to press in a separate bearing. That makes it convenient for DIYers or technicians who want a quick repair without extra machining. Built as an unpainted, vehicle-specific part, it should restore smooth wheel rotation and proper wheel fastening when fitted correctly. Limitations include lack of included hardware or finish options and no visible sensor or ABS wiring in the listing, so confirm fitment and sensor compatibility for AWD CX-30 variants before installation.
Best for: Convenience-driven buyers who prioritize a quick, straightforward repair and want a ready-to-install, vehicle-specific replacement that minimizes shop time.
Less Ideal for: Buyers needing painted or cosmetic-matched parts, or those who require explicit ABS sensor or hardware inclusion should consider other options or verify fitment before purchase.
- Direct-fit design manufactured to factory specifications for easier installation
- Ships as a complete hub and bearing assembly to avoid bearing press work
- Specifically listed for rear position on Mazda CX-30 to simplify parts selection
- Listing does not show included wheel studs or ABS sensor wiring which may vary by vehicle
Verdict: A ready-to-install, factory-spec rear hub and bearing for Mazda CX-30 that lets you replace the assembly quickly and get back on the road.
7. LDGSUPH Front Wheel Hub Bearing Compatible with Mazda 3 / CX-30 (2018- )
| Compatible Models | Mazda 3 (2018-); Mazda CX-30 (2019-) |
|---|---|
| OEM References | BCKE3304X, BDNF3304X, BDTS3304X, BDTS3304XA, BDWK3304X |
| Brand | LDGSUPH |
This LDGSUPH front wheel hub bearing is a factory-replacement style unit intended to fit Mazda 3 (2018-) and Mazda CX-30 (2019-). It replaces the original hub bearing using the listed OEM part numbers so it should install like a standard factory component and maintain wheel alignment and ABS sensor positioning. Typical use is direct swap during front hub servicing or when a worn bearing produces noise or play. The listing highlights durable construction and claims manufacturer testing, which suggests it is built for regular street driving and commuting use. Practical benefits include straightforward fitment for the specified Mazda models and replacement of multiple OEM references to aid verification. Limitations are that the listing provides minimal technical detail about bearing seals or lubricant, and long-term durability depends on installation quality and driving conditions. Buyers should verify exact OEM cross-reference and inspect the vehicle for related wear when replacing the hub bearing.
Best for: Risk-averse mainstream buyers who prioritize a straightforward, factory-style replacement that reinstates quiet operation and proper wheel sensor alignment on Mazda CX-30 models.
Less Ideal for: Drivers seeking performance or heavy-duty upgrade bearings for track use or off-road abuse should consider specialized performance or heavy-duty hubs instead.
- Direct replacement for Mazda 3 (2018-) and Mazda CX-30 (2019-) with listed OEM part numbers to simplify fit confirmation
- Marketed as manufactured and tested by a specialist auto parts maker for routine durability
- Sold as a single front hub bearing unit suitable for direct swap during hub service or repair
- Product page lacks detailed technical specs such as seal type, bearing grease, or torque specifications
Verdict: A direct-fit front hub bearing replacement aimed at restoring factory-style wheel support and ABS alignment on Mazda CX-30 and Mazda 3 models.
Choosing the Right Mazda CX-30 Wheel Hub Assembly: Key Factors to Consider
Exact Fitment to Mazda CX-30
Fitment accuracy matters because the hub must match the vehicle's flange dimensions, bolt pattern, and ABS sensor interface if present. A precise fit preserves wheel alignment and avoids stress concentrations that can cause premature stud or bearing failure.
Choosing a hub specified for the CX-30 reduces the risk of installation issues such as incorrect stud length or improper seating depth. When fitment is correct you maintain factory wheel mounting geometry and reduce the likelihood of vibration or uneven tire wear.
Bearing Type and Durability
The bearing inside the hub bears radial and axial loads and directly affects longevity. Look for bearings rated for the expected load cycles and environmental conditions encountered in daily driving.
Sealed, pre-pressed bearings can simplify replacement and reduce contamination risk. Consider bearing material, preload design, and any known service life expectations when choosing a hub to ensure consistent performance over time.
Sealing and Corrosion Protection
Effective seals and corrosion-resistant finishes protect the bearing from water, dirt, and road salt. Damage from contamination is a common cause of early failure, so a hub with well-designed seals and protective coatings will usually last longer.
Rust-resistant plating or coatings on the hub body and studs also make future removal easier and help preserve torque accuracy at the mounting points, which is important for ongoing safety and serviceability.
ABS Sensor Integration
If the Mazda CX-30 uses an ABS tone ring or integrated sensor, the hub must support that interface accurately. Proper ABS integration ensures reliable wheel speed signals for stability and braking systems.
Hubs that include the correct tone ring profile or mounting provisions reduce the chance of sensor errors and eliminate the need for additional adaptors. Confirming ABS compatibility ahead of installation prevents electrical or diagnostic issues.
Mounting Hardware and Pre-Installation Features
Some hub assemblies come with pre-installed studs, nuts, or pre-pressed bearings that reduce installation steps and potential for error. Pre-assembled units can save time and lower the risk of improper bearing preload during replacement.
Verify which components are included so you can plan for necessary tools and torque procedures. Having the correct mounting hardware simplifies achieving specified torque values and shortens service time.
Maintenance and Serviceability
Consider how the hub assembly will affect future maintenance. Sealed, maintenance-free designs reduce routine attention, while serviceable assemblies may allow bearing replacement without full hub removal.
Ease of access to mounting bolts, typical service life expectations, and the availability of replacement bearings or seals factor into long-term ownership costs and convenience.
How We Chose the Best Mazda CX-30 Wheel Hub Assembly
We focused on factors that directly affect fit, longevity, and drivability for the Mazda CX-30. Primary evaluation criteria included bearing durability under typical driving loads, hub flange and stud integrity, and fitment accuracy to ensure OEM alignment and wheel mounting. We also assessed sealing design to resist contamination and moisture, the robustness of mounting points for safe torque retention, and the presence of pre-installed hardware or ABS tone rings where applicable.To narrow the field we excluded units with ambiguous fitment claims, unclear part specifications, or lack of documented compatibility with the Mazda CX-30. We prioritized parts with verifiable engineering details, consistent dimensional specifications, and workmanship features that reduce maintenance needs. The resulting selections emphasize reliable fit, long-term bearing performance, and straightforward installation for this specific vehicle model.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Mazda CX-30 needs a new wheel hub assembly?
Common signs often include wheel vibration, unusual grinding or rumbling noises from a wheel area, and ABS warning lights in some cases. Symptoms tend to appear progressively and can worsen with speed. If you notice persistent noise or play at the wheel, have the hub and bearing checked by a qualified technician.
Can I replace just the bearing instead of the whole hub assembly?
It depends on the hub construction. Some assemblies have press-fit bearings that can be replaced separately, while many modern units are sold pre-assembled for easier installation. Replacing the entire assembly can be simpler and reduce the risk of improper bearing installation, but either approach may be appropriate depending on serviceability and tools available.
What installation checks should I perform after fitting a new hub?
After installation verify correct torque on mounting bolts and wheel lug nuts, confirm ABS sensor connections if applicable, and check for absence of lateral play. A short road test at varied speeds can reveal any remaining noise or vibration. Re-torque procedures after initial use are recommended per vehicle service guidelines.
Are there common causes of premature wheel hub failure on this vehicle?
Premature failure often results from contamination due to damaged seals, frequent exposure to corrosive environments, impact damage from road hazards, or improper installation torque. Regular inspections and prompt repair of damaged seals or boots can help extend hub life.
Will a bad wheel hub affect braking or ABS performance?
Yes. A failing hub or damaged tone ring can produce incorrect wheel speed signals, which may cause intermittent ABS activation or degraded stability control function. Addressing hub issues promptly helps maintain reliable braking performance and system diagnostics.
What tools or specifications should I have before attempting replacement?
You will typically need the correct socket sizes for hub mounting bolts and wheel studs, a torque wrench to achieve specified torque values, and any special pullers if the bearing is press-fit. Consult the vehicle's service manual for exact torque specs and recommended procedures before starting work.
Conclusion
Prioritize fitment accuracy, bearing durability, and proper sealing when choosing a Mazda CX-30 wheel hub assembly. Those factors most directly influence safety, noise, and long-term reliability. Balance ease of installation and serviceability against expected lifespan to find the right option for your driving conditions.Taking time to confirm ABS compatibility, included hardware, and torque requirements will reduce installation issues and help maintain vehicle performance. Regular inspections and addressing early symptoms can prevent more extensive wheel-end damage.
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