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If your Scion xB is showing wheel vibration, uneven tire wear, or humming from a wheel area, replacing the hub assembly can return stable handling and quiet operation. Choosing the right wheel hub assembly matters because fit, bearing quality, and proper sealing directly affect safety and drivability.This guide covers seven shortlisted wheel hub assemblies that meet common fitment and durability expectations. We screened options for accurate fit, bearing lifespan, and ease of installation, so you can quickly move from diagnosis to repair.
Looking for other parts? See all Scion xB parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Detroit Axle Front Wheel Hub Bearing Assembly, 2‑Pack (5‑Lug, Front) |  |
| Best Quality Built to a higher standard if you want something more solid | MOOG Wheel Bearing and Hub Assembly for Scion xB |  |
| Best Value The sweet spot between price and what you get | Autoround 512209 Rear Wheel Hub and Bearing Assembly |  |
| Best budget The cheapest option that still gets the job done reliably | Autoround 513257 Front Wheel Hub and Bearing Assembly |  |
| Highest Rated A top-rated pick with lots of positive feedback | FKG 512418 Rear Wheel Hub Bearing Assembly for 2008–2015 Scion xB (5‑lug) |  |
| Most popular A crowd favorite that many people choose with confidence | TRQ Rear Wheel Bearing & Hub Assembly with ABS Sensor for Scion xB (2008–2015) |  |
| Best Seller A high-volume bestseller chosen again and again | Detroit Axle 4‑Piece Front and Rear Wheel Hub and Bearing Assembly Kit for 2008–2015 Scion xB (5‑lug, with ABS) |  |
1. Detroit Axle Front Wheel Hub Bearing Assembly, 2‑Pack (5‑Lug, Front)
| Bearing Number | 513257 |
|---|---|
| Material | Alloy Steel |
| Bearing Type | Wheel Hub Bearing |
| Compatible Lubricant | Grease |
| Specification Met | ISO 9001 |
This Detroit Axle front wheel hub bearing assembly replaces the entire front hub and integrated bearing to restore wheel alignment, smooth rotation, and ABS signal function on compatible Scion xB models. Supplied as a two-piece kit with both left and right assemblies, each hub uses a 5-lug pattern and an encoder-style ABS interface so it plugs into the factory wiring without modification. Installation is typical for hub swaps: remove the wheel and brake components, unbolt the old hub, and press the new assembly into place; having basic tools and a torque wrench makes the job straightforward for a competent DIYer or a local shop. The assemblies are made from alloy steel and are ISO 9001 specified, which suggests consistent manufacturing quality, and the kit includes factory-style lubrication compatibility. Limitations include the need to confirm exact year and drivetrain fitment before ordering and that a press or shop service may be required if studs or corrosion complicate removal. The 10-year warranty adds confidence for long-term ownership.
Best for: Balanced owners who want a reliable, factory-style replacement hub assembly to restore wheel smoothness and ABS function without chasing separate bearings and seals.
Less Ideal for: Drivers seeking a performance or heavy-duty upgrade beyond factory-spec durability or those who need fitment for vehicles outside the specified Scion xB/Toyota/Scion fitment list.
- Sold as a two-piece kit covering both front hubs for a complete axle-end repair
- Integrated encoder-type ABS interface preserves factory ABS function
- Made from alloy steel with ISO 9001 manufacturing specification
- Fits the 5-lug front hub pattern used on Scion xB and similar Toyota/Scion models
- Requires confirming exact vehicle year and configuration to ensure fit
- Removal of corroded original hubs may need a press or professional service
Verdict: A complete, factory-style two-piece front hub and bearing kit that restores wheel rotation and ABS function for Scion xB owners.
2. MOOG Wheel Bearing and Hub Assembly for Scion xB
| Manufacturer | MOOG Hub Assemblies |
|---|---|
| Model | MOOG |
| Item model number | 512209 |
| Exterior | Machined |
| Compatibility | Fits 2000-2005 Toyota Echo; 2004-2006 Scion xA; 2004-2006 Scion xB |
This MOOG hub assembly replaces the front wheel bearing and hub as a service-ready direct-fit for Scion xB applications. It installs like a factory-style unit and is typically used when a worn bearing causes noise, vibration, or ABS faults. Notable design elements include a sealed bearing for quiet operation, a quad-lip seal to keep out water and dirt, and corrosion-resistant wheel studs that simplify torque and removal. In practice the unit restores smooth steering feel and stable wheel rotation, and its protective seals and coated studs help extend service life in daily driving and harsher road conditions. Because it is a full hub assembly there is no need to press bearings, which reduces install time for a performance-oriented DIYer or technician. The main limitations are that fitment is specific to Scion xB model years listed and installation still requires proper torque and alignment to avoid premature wear.
Best for: Performance-oriented buyers seeking a factory-quality replacement that restores precise wheel behavior and reduces drivetrain noise while prioritizing long-term durability and reliable handling.
Less Ideal for: Buyers needing a hub for other vehicles or those looking for a low-cost temporary fix should consider alternatives tailored to their specific car or budget.
- Direct-fit, service-ready replacement that avoids bearing press work
- Sealed bearing design minimizes road noise for smoother driving
- Quad-lip seal and corrosion-resistant studs improve durability in wet or dirty conditions
- Fitment limited to specified Scion xB years so cross-vehicle compatibility is not provided
Verdict: A durable, sealed direct-fit hub assembly engineered to restore quiet, precise wheel rotation and long service life for Scion xB owners.
3. Autoround 512209 Rear Wheel Hub and Bearing Assembly
| Bearing Number | 512209 |
|---|---|
| Bearing Type | Wheel Hub Bearing |
| Material Type | High Carbon Steel |
| Compatible Lubricant | Grease |
This Autoround 512209 rear wheel hub and bearing assembly replaces the factory rear hub on specified Scion xB/xA and Toyota Echo models and is designed for routine street use. It arrives as a preassembled hub with integrated bearing and ABS tone ring so installation is straightforward for a competent DIYer or mechanic. The unit uses high carbon steel and factory-style component matching to provide quiet rolling and stable wheel alignment under normal driving conditions. Protective coating on the wheel studs helps resist corrosion and the assembly is offered for both driver and passenger rear positions. Expect a reliable, budget-friendly replacement that restores wheel function without costly machining or bearing presses. Limitations are that this is a direct replacement aimed at daily driving rather than heavy-duty or performance applications and buyers should verify vehicle fitment before ordering.
Best for: Practical optimizers who want a cost-effective, factory-style replacement that restores rear wheel function on a Scion xB without paying for dealer parts.
Less Ideal for: Drivers who need heavy-duty, performance-grade hubs for racing, towing, or modified suspensions should choose a specialized performance part instead.
- Preassembled hub and bearing simplifies replacement and reduces install time.
- Integrated ABS tone ring for retained ABS functionality.
- Protective coating on wheel studs helps resist rust and corrosion.
- Constructed from high carbon steel for durability.
- Designed for standard daily driving rather than high-load or performance use.
- Fitment limited to the specified vehicle applications so verification is required before purchase.
Verdict: A budget-conscious, preassembled rear hub and bearing built to restore factory-style performance for Scion xB rear axles.
4. Autoround 513257 Front Wheel Hub and Bearing Assembly
| Bearing Number | 513257 |
|---|---|
| Bearing Type | Roller Bearing |
| Material Type | Alloy Steel |
| Compatible Lubricant | Grease |
| Specification Met | Oem Performance Standards |
This Autoround 513257 front wheel hub and bearing assembly replaces a worn hub on compatible Scion xB models and other Toyota-platform cars. It comes preassembled with the bearing integrated, so installation is similar to swapping a factory hub: remove the old unit, mount the replacement to the knuckle, torque the studs, and reconnect the ABS sensor wiring where applicable. The listing highlights a flange and bolt pattern that match the original fitment and states the part was quality tested to meet OEM performance standards. For a budget-focused repair this unit offers a straightforward, ready-to-install option that can quiet wheel noise and restore proper wheel mounting without bearing press work. Expect mixed longevity compared with more expensive aftermarket or dealer parts; some users report good service life while others experienced early failure. Fitment accuracy matters here, so double-check part number and vehicle year before buying. If matched correctly to a 2008–2015 Scion xB, this hub is a cost-effective way to get the car back on the road quickly.
Best for: Budget-conscious owners looking for an affordable, ready-to-install replacement to get a Scion xB back on the road quickly with minimal downtime.
Less Ideal for: Drivers seeking a long-term, high-mileage OEM-level rebuild or those who prefer parts with explicit manufacturer warranty coverage should consider higher-end or dealer options.
- Preassembled hub and bearing simplifies replacement and avoids separate bearing press work.
- Listed flange and bolt pattern intended to match factory fitment for straightforward installation.
- Manufacturer states product tested to meet OEM performance standards.
- Compatible with ABS system and includes the wheel studs for direct swap.
- Quality and longevity appear inconsistent across users, with some reports of early failure.
- Not backed by visible warranty details on the product page.
- Fitment mistakes are possible if vehicle year or part number are not carefully confirmed.
Verdict: A low-cost, preassembled hub that makes a fast repair for the Scion xB but may vary in longevity compared with pricier factory-quality alternatives.
5. FKG 512418 Rear Wheel Hub Bearing Assembly for 2008–2015 Scion xB (5‑lug)
| Brand | FKG |
|---|---|
| Bearing Number | 512418 |
| Position | Rear |
| Lug Pattern | 5 Lugs |
This FKG rear wheel hub bearing assembly is a direct-replacement unit intended for the rear position on 2008–2015 Scion xB models with five lugs. It arrives as a complete hub assembly so you can swap the worn unit without pressing out bearings separately. The listing highlights ISO/TS 16949 certification and claims the design addresses common weaknesses of older hubs, so in practical use you get a factory-quality replacement meant to restore wheel alignment, stop wheel noise, and clear ABS/brake warnings caused by damaged tone rings. Installation is a typical garage or shop job and several DIYers reported straightforward fit and successful resolution of ABS lights. The main limitations are that it is a single hub (you may want a matching unit for the other side) and fitment is specific to the Scion xB rear 5‑lug application, so verify vehicle year and wheel pattern before ordering. The product includes a limited one year support commitment from the seller for replacements or refunds.
Best for: Reliability-focused buyers who prioritize a factory-quality, vehicle-specific replacement to restore safe wheel operation and silence wheel/ABS-related symptoms on their Scion xB.
Less Ideal for: Drivers seeking a universal or multi-vehicle solution or those who prefer to replace hubs in matched pairs bought as a kit may want alternative options.
- Direct rear hub replacement for 2008–2015 Scion xB with 5‑lug pattern, simplifying installation compared with separate bearing presses
- ISO/TS 16949 certified manufacturing which indicates factory-quality production standards
- Integrated hub and tone ring helps resolve ABS and brake light issues caused by damaged rings
- Many user reports of correct fitment and reliable operation after installation
- Sold as a single hub so replacing both sides requires a second purchase
- No detailed installation hardware or torque specs provided in the listing
Verdict: A vehicle-specific, ISO-certified rear hub assembly that restores wheel and ABS function on Scion xB models but is sold individually rather than as a matched pair.
6. TRQ Rear Wheel Bearing & Hub Assembly with ABS Sensor for Scion xB (2008–2015)
| Fitment | Scion xB 2008-2015 Rear Driver/Passenger |
|---|---|
| Bearing Type | Ball Bearing |
| Wheel Stud Quantity | 5 |
| Anti Lock Brake Sensor | Included |
This TRQ rear wheel bearing and hub assembly is a pre-assembled direct-replacement for the Scion xB rear wheel that includes an integrated ABS sensor and wheel studs for a straightforward swap. It is typically used when a worn bearing makes noise, causes vibration, or triggers an ABS/wheel-speed warning; installers can bolt the unit into the knuckle without pressing bearings in and out. Notable features include preinstalled wheel studs, an included ABS sensor, Gen 3 ball-bearing construction, and compatibility listed specifically for 2008–2015 Scion xB rear left and right positions. The practical benefits are quicker installation, reduced need for specialty presses, and restoring quietness and stability to the rear end. Reported limitations are occasional early failures reported by some users and the possibility of difficult removal of a rusted original hub during replacement, which can add time and effort. The part is a convenient option for DIYers and independent shops wanting a near-factory fit with fewer installation steps than a bare bearing.
Best for: Convenience-driven buyers who want a near-factory replacement that minimizes shop time and avoids bearing pressing, ideal for DIYers or small shops prioritizing easier, faster rear hub swaps on a Scion xB.
Less Ideal for: Owners who prefer OE-branded parts or who require a long-term heavy-duty upgrade for extreme-duty use should consider alternative OEM or heavy-duty options.
- Pre-assembled unit with wheel studs and integrated ABS sensor simplifies installation
- Direct-fit design for 2008–2015 Scion xB rear positions reduces need for modifications
- Ball-bearing, Gen 3 construction intended to lower noise and vibration
- Extensive DIY installation videos and guidance from the manufacturer
- Some buyers report premature failures in a minority of units
- Removal of a rusted original hub can be difficult and time-consuming before installation
Verdict: A convenient, pre-assembled rear hub assembly made to restore fit and function on 2008–2015 Scion xB models with faster installation but some reported longevity variability.
7. Detroit Axle 4‑Piece Front and Rear Wheel Hub and Bearing Assembly Kit for 2008–2015 Scion xB (5‑lug, with ABS)
| Fitment | 2008–2015 Scion xB |
|---|---|
| Lug Count | 5 Bolt |
| ABS Type | Encoder front, Sensor cap rear |
| Flange Type | 4‑Bolt Square |
This Detroit Axle kit supplies two front and two rear preassembled wheel hubs and bearings tailored for the 2008–2015 Scion xB. Each assembly arrives as a sealed unit that replaces the factory hub and bearing, so installation is typically done by swapping the old assembly for the new one rather than rebuilding bearings on the car. The kit lists 5‑lug hubs with ABS encoder or sensor cap fitment and 4‑bolt square flanges, which simplifies fit and alignment with the existing brake and ABS components. Detroit Axle highlights hardened bearing steel and a high frequency quenching heat treatment intended to resist wear and corrosion for longer service life. For a risk‑averse buyer this offers a near‑direct factory replacement path and the convenience of complete assemblies rather than individual bearings. Limitations include the need for proper shop tools and torque procedures during installation and the usual caveat that fitment must match the Scion xB configuration exactly before ordering.
Best for: Risk-averse mainstream buyers who prefer factory-style, direct replacement parts and want the reassurance of full assemblies rather than rebuilding components themselves.
Less Ideal for: Buyers seeking an inexpensive individual bearing only or those who want to service hubs on a different vehicle than the Scion xB should look elsewhere.
- Includes two front and two rear preassembled hub and bearing units for a full-axle replacement
- Built for 5-lug Scion xB fitment with ABS encoder/sensor cap to match factory systems
- Manufactured from high-quality bearing steel with high-frequency quenching for improved wear and corrosion resistance
- Installation requires proper tools and mechanical know-how; not a simple plug-and-play for most DIYers
- Fitment is specific to 2008–2015 Scion xB and must be confirmed before purchase
Verdict: A convenient full four-piece hub and bearing assembly kit that provides a factory-style replacement for 2008–2015 Scion xB with ABS.
Choosing the Right Scion xB Wheel Hub Assembly: Key Factors to Consider
Fitment and Mounting Pattern
Correct fitment is the most critical factor because the hub must align exactly with the vehicle's knuckle, axle splines, and wheel studs. A hub with the wrong stud count, bolt pattern, or flange dimensions can prevent installation or create unsafe wheel mounting.
Verify the hub's mounting pattern, stud size, and spline count against your Scion xB specifications. Parts that explicitly state model-year compatibility reduce the chance of returns and additional labor.
Bearing Type and Sealing
The bearing inside the hub determines how well the assembly handles loads and resists contamination. Quality sealed bearings keep lubricant in and water or grit out, which extends service life and reduces the risk of premature failure.
Look for hubs with robust seals and bearings rated for automotive axle loads. Better bearings typically translate to less noise, smoother rotation, and longer intervals between replacements.
Durability and Corrosion Resistance
Hubs are exposed to road grime, salt, and moisture, so durable materials and protective finishes matter for longevity. Corrosion can compromise mounting surfaces and make later removal difficult.
Choose assemblies with corrosion-resistant coatings and durable flange construction. These features help ensure the part stays serviceable and maintains proper torque at the wheel studs over time.
Noise, Vibration, and Harshness Characteristics
Wheel hub quality affects NVH because uneven bearings or poor tolerances create humming, grinding, or vibration that you feel while driving. A precise hub reduces the likelihood of driveability complaints down the road.
Consider parts that emphasize balanced bearings and tight manufacturing tolerances. While NVH can have multiple causes, selecting a well-made hub reduces the chance that the assembly will be the source of noise or steering vibration.
Included Hardware and Ease of Installation
Some hub assemblies come with the necessary studs, bolts, or ABS tone rings, while others expect you to reuse existing hardware. Having the correct hardware included simplifies replacement and reduces installation time.
Also evaluate the hub's access for torqueing and whether the design aligns with common shop procedures for the Scion xB. Easier installation lowers the risk of installation errors that could affect safety.
Serviceability and Long-Term Maintenance
Although many hub assemblies are sealed and not serviceable, understanding expected service life and replacement intervals is important. A part that lasts longer or is easier to replace can reduce total maintenance time.
Check whether the design requires hub removal to service adjacent parts and whether routine maintenance steps, like cleaning mounting surfaces, are straightforward. Prioritize hubs that minimize future labor if you anticipate recurring wheel-end work.
How We Chose the Best Scion xB Wheel Hub Assembly
We prioritized parts that deliver reliable fitment, long bearing life, corrosion resistance, and clear installation compatibility with the Scion xB. Our evaluation emphasized four to six concrete criteria relevant to hub assemblies: axle spline and stud configuration matching the vehicle, sealed bearing quality and service life expectations, hub flange thickness and tolerance for safe wheel mounting, corrosion-resistant finishes and protective seals, and straightforward mounting interfaces that reduce installation errors. We also considered noise and vibration reduction features that stem from precise bearing preloads and consistent manufacturing tolerances.Excluded from consideration were universal fit or vehicle-agnostic hubs that require significant modification, kits that omit essential mounting hardware, and units with unclear fitment documentation. We focused on assemblies intended to replace the original equipment mounting pattern and that specify compatibility with the Scion xB, ensuring the parts meet the mechanical and safety needs of this vehicle.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common symptoms of a failing wheel hub assembly on a Scion xB?
Common signs often include wheel humming or grinding that changes with vehicle speed, noticeable vibration through the steering wheel, and uneven tire wear. In some cases, ABS warning indicators or irregular wheel spin behavior can also appear.
Can I replace just the bearing instead of the whole hub assembly?
That depends on the assembly design; many modern hubs are sealed units meant to be replaced as a whole. Replacing the entire assembly is usually simpler and ensures proper bearing preload and sealing, while bearing-only repairs may be possible on older, serviceable designs.
How long does a typical wheel hub assembly last?
Service life usually depends on driving conditions, maintenance, and exposure to moisture or road salt. Under normal conditions, a well-made hub often lasts many years, but harsh environments or heavy loads can shorten that lifespan.
Will a noisy wheel hub go away if I tighten the axle nut or wheel bolts?
Tightening fasteners will not fix internal bearing wear or damage and could mask symptoms without addressing the cause. Proper torque is important for safety, but persistent noise or vibration typically requires inspection and possible hub replacement.
Are front and rear wheel hub assemblies different for the Scion xB?
Front and rear hubs can differ in stud pattern, bearing design, and whether they integrate steering or drive components. Verify whether the part is specified for the front or rear of the Scion xB before purchasing or installing.
What should I check during installation to ensure a long service life?
Confirm mating surfaces are clean and free of corrosion, use the correct torque values for axle and wheel fasteners, and ensure seals and ABS rings are positioned properly. Proper installation practices reduce the likelihood of premature failure.
Conclusion
When choosing a Scion xB wheel hub assembly, prioritize exact fitment, sealed bearing quality, and corrosion-resistant construction. Those attributes have the largest effect on safety, NVH, and long-term service life.Balance ease of installation and included hardware against durability considerations. By focusing on the factors above, you can select an assembly that restores smooth handling and minimizes return visits for wheel-end repairs.
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