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If you own a Scion xD, worn ball joints can cause loose steering, uneven tire wear, and a less confident driving experience. Choosing the correct replacement matters because fitment, load rating, and longevity all affect safety and handling. This guide shortlists the top options for Scion xD ball joint replacements and explains the practical factors we used to evaluate them, including fitment accuracy and durability. Read on to see the top picks and the attributes that matter when replacing ball joints.
Looking for other parts? See all Scion xD parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Toyota Genuine Lower Ball Joint (43330-39585) |  |
| Most Popular A crowd favorite that many people choose with confidence | Metrix Premium Chassis Parts Front Left & Right Lower Control Arm with Ball Joint Kit |  |
| Best Quality Built to a higher standard if you want something more solid | TRQ Front Suspension Kit with Control Arms and Sway Bar Links |  |
| Best Budget The cheapest option that still gets the job done reliably | Delphi Suspension Ball Joint (TC2349) |  |
| Most Sold A high-volume bestseller chosen again and again | TRQ Front Lower Driver and Passenger Side Ball Joint Set |  |
| Best Value for Money The sweet spot between price and what you get | Detroit Axle Front Right Lower Control Arm with Ball Joint for Scion xD / Toyota Yaris / Prius C |  |
| Best Overall The best all-around choice for most situations | Detroit Axle Front End 6‑pc Suspension Kit (Lower Control Arms, Sway Links, Outer Tie Rods) |  |
1. Toyota Genuine Lower Ball Joint (43330-39585)
| Manufacturer | Toyota |
|---|---|
| Model | Ball Joint |
| Manufacturer Part Number | 43330-39585 |
| Exterior | Machined |
This is a factory-quality lower ball joint sold by Toyota as a direct-fit replacement. It installs in place of the original front lower ball joint and is intended for use when the ball joint is worn, loose, or failing; typical use is straightforward suspension repair or preventive replacement. The listing emphasizes Toyota OEM form, machined exterior, and the manufacturer part number so installers can match fit and function without modification. Real-world benefits include precise fitment, long service life compared with cheaper aftermarket units, and the peace of mind that comes from using a factory replacement part on a safety-critical steering and suspension component. The main limitations are higher cost compared with aftermarket alternatives and the single-part purchase model which may encourage replacing both sides for balanced wear. Expect routine installation by a mechanic or experienced DIYer with proper tools and alignment afterward.
Best for: Reliability-focused buyers who prioritize factory-fit parts and long-term durability when repairing their Scion xD's front suspension and prefer to avoid repeat repairs.
Less Ideal for: Cost-focused DIYers who want the lowest upfront price or buyers looking for upgraded performance or heavy-duty aftermarket alternatives.
- Factory-quality fit and finish for predictable installation
- Machined exterior and OEM part number ensure correct replacement
- Well-suited for heavy use and off-road duty based on owner reports of longevity
- More expensive than many aftermarket ball joints
- Sold as a single replacement part rather than a paired kit
Verdict Choose this Toyota genuine lower ball joint if you want a direct-fit, long-lasting factory replacement for your Scion xD rather than a cheaper aftermarket part.
2. Metrix Premium Chassis Parts Front Left & Right Lower Control Arm with Ball Joint Kit
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material Type | Carbon Steel |
This Metrix kit supplies both front left and right lower control arms with pre-installed ball joints, intended as a direct vehicle-specific replacement for compatible Scion xD and certain Toyota models. Installation is typical for suspension control arms: removal of the old arms, transfer or replacement of fasteners, and torque to factory specifications. Notable features include pre-greased ball joints for smoother initial movement, steel construction, and claimed manufacture to IATF 16949 and ISO 9001 standards. In practice the parts restore front-end stability and remove play or clunking from worn assemblies, and customer reports indicate good fit and ease of installation for DIYers and professional shops alike. Limitations to consider are that these are complete control arm assemblies with non-serviceable ball joints, so you replace the entire arm if the joint wears; installers should verify regional vehicle fitment before ordering. The kit includes both sides which simplifies repairs compared with buying single arms separately.
Best for: Buyers prioritizing convenience who want a ready-to-install, matched pair that restores front-end stability without sourcing individual components.
Less Ideal for: Drivers who prefer repairable components or want to maintain ball joints long-term through periodic greasing should consider alternatives with serviceable joints.
- Includes both left and right front lower control arms with ball joints for a matched replacement
- Pre-greased ball joints reduce break-in noise and improve initial movement
- Built from steel and produced to recognized quality standards for consistent fitment
- Designed as vehicle-specific fit which simplifies selection and installation
- Ball joints are non-serviceable so the whole arm must be replaced if the joint fails
- No grease fitting for later maintenance of the ball joints
Verdict A convenient, ready-to-install matched pair of steel control arms with pre-greased ball joints that restore front-end stability but require full-arm replacement when the joint wears.
3. TRQ Front Suspension Kit with Control Arms and Sway Bar Links
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Auto Part Orientation | Front |
| Included Components | 2 Front Lower Control Arms with Ball Joints, 2 Front Sway Bar Links |
This TRQ front suspension kit supplies two front lower control arms with press-in ball joints plus two front sway bar links as a direct-fit replacement for the Scion xD. It is designed for straightforward, DIY-friendly installation with pre-assembled components and pre-greased joints to reduce prep time. The control arms are anti-corrosion coated and kitted to restore factory-style handling, so drivers will notice reduced play, firmer steering response, and fewer suspension noises after installation. Including sway bar links helps maintain torsional stiffness and preserves balance during cornering. The kit is vehicle-specific, so no modifications should be necessary when fitted to a Scion xD, and TRQ provides installation videos to guide the process. Potential limitations are that longevity depends on road conditions and driving style, and some buyers report occasional quality control issues with assembly that could require inspection on arrival. For a performance-oriented owner wanting to tighten front-end feel without a full overhaul, this kit is a practical way to refresh critical suspension components.
Best for: Performance-oriented owners who want to restore crisp steering and handling on a Scion xD without replacing the whole suspension, and who prefer a DIY-friendly kit with guidance resources.
Less Ideal for: Drivers seeking a long-term performance upgrade like adjustable or heavy-duty aftermarket arms should consider purpose-built performance parts instead.
- Includes complete front lower control arms with ball joints and matching sway bar links for a coordinated replacement
- Pre-greased, pre-assembled components simplify DIY installation and reduce labor time
- Anti-corrosion coating extends surface life in wet or salty conditions
- Vehicle-specific fit for direct replacement on compatible vehicles to preserve factory alignment and geometry
- Some reviewers report occasional assembly or fitment inconsistencies that may need inspection upon receipt
- Durability will vary with driving conditions and aggressive driving may shorten service life
Verdict A practical, vehicle-specific kit that refreshes front-end control and handling on the Scion xD with minimal installation effort.
4. Delphi Suspension Ball Joint (TC2349)
| Manufacturer | Delphi |
|---|---|
| Model | Suspension Ball Joint |
| Position | Rear |
| Exterior | Machined |
This Delphi rear suspension ball joint is a direct-fit replacement intended to restore steering stability and suspension geometry on compatible vehicles. It is built from forged components machined to tight tolerances and uses a chloroprene rubber boot to keep contaminants out, which helps extend service life in everyday driving. Delphi says the part is tested to endure temperatures from below -40C to over 120C and receives extensive corrosion protection including a cataphoretic coating and 720-hour salt spray exposure, so it should hold up well in wet and salted-road conditions. Installation is typical for a rear ball joint swap and will require basic suspension tools and alignment afterward. Some users report the dust cover may be glued and require careful handling during installation. If you need a budget-friendly, factory-quality replacement to get your Scion xD back to solid handling, this part covers the basics without extra performance features.
Best for: Budget-conscious drivers who prioritize a reliable, factory-quality replacement to restore handling on a Scion xD without paying for premium performance or aftermarket upgrades.
Less Ideal for: Drivers seeking high-performance or heavy-duty suspension upgrades, or those who want parts with extended manufacturer warranty support.
- Manufactured to meet OEM performance standards with forged construction and machined tolerances
- Chloroprene rubber boot improves durability and helps prevent premature failure
- Extensive corrosion protection including cataphoretic coating and 720-hour salt spray test
- Rated to operate across extreme temperatures for reliable performance in harsh climates
- Dust cover may be glued in place and can require careful trimming and reattachment during installation
Verdict A cost-effective, factory-quality rear ball joint that restores Scion xD handling and resists corrosion but lacks premium performance bells and whistles.
5. TRQ Front Lower Driver and Passenger Side Ball Joint Set
| Quantity | 2 Piece |
|---|---|
| Exterior | Machined |
| Model | TRQ PSA63252 2 Piece Ball Joint Set |
This TRQ two-piece ball joint set replaces the front lower driver and passenger side joints and is intended as a direct-fit replacement for compatible Scion models, including the Scion tC and Scion xD fitments covered by the product. Installation is typical of lower ball joint swaps: remove the control arm, press or remove the old joint, and press in the new pre-assembled unit. TRQ highlights machined exterior components and provides DIY installation videos to guide the process, which helps home mechanics who prefer to view steps before starting. In use the joints restore steering response and eliminate play or squeaks when they match vehicle fitment; many buyers report straightforward installation and good fit. Some users have reported fitment variance on certain vehicles that required shims or extra washers to secure the nut properly, so expect to verify fit before final torque and plan for a post-install alignment. This kit is practical for routine suspension repairs but verify compatibility with the Scion xD application and inspect shaft protrusion during mock-up before completing the job.
Best for: Risk-averse mainstream buyers who prioritize straightforward, well-documented replacement parts and prefer parts that aim to match factory fitment for routine suspension repair and maintenance.
Less Ideal for: Drivers seeking heavyweight commercial-grade performance or extended-duty components should consider heavy-duty aftermarket alternatives built for high-mileage or severe-use conditions.
- Direct-fit two-piece kit replacing both front lower ball joints for a single repair job
- Pre-assembled components simplify installation compared with fully serviced aftermarket units
- Machined exterior and available step-by-step DIY videos make the job easier for home mechanics
- Restores steering feel and reduces play or squeaks when fitment is correct
- Some vehicles show slight dimensional differences versus factory parts that can require shimming or additional washers to secure the nut
Verdict A practical, well-documented direct-replacement ball joint kit for routine Scion front lower joint repairs, but check fit carefully for shaft/clearance differences before final installation.
6. Detroit Axle Front Right Lower Control Arm with Ball Joint for Scion xD / Toyota Yaris / Prius C
| Fit Type | Vehicle Specific |
|---|---|
| Auto Part Position | Front Right Lower |
| Auto Part Orientation | Passengers Side |
| Material Type | Alloy Steel |
| Manufacturer Warranty Description | 10-Year |
This Detroit Axle front right lower control arm arrives as a complete passenger-side lower arm with an integrated ball joint, intended to replace a worn or damaged factory unit on compatible Toyota/Scion models such as the Scion xD. It is made from alloy steel and the assembly is built to be a direct fit for vehicle-specific applications, so installation typically involves swapping the old arm for this new unit and tightening factory fasteners, then performing an alignment. Notable features include the pre-assembled ball joint and Detroit Axle's stated durability testing and 10-year warranty, which suggest it is engineered for long service life. In practice this part gives a straightforward restore of steering geometry and eliminates clunking or looseness from a failed control arm or ball joint. Limitations to consider are that some buyers may need to add grease at installation and alignment costs are necessary after replacement; professional installation is recommended if you are not experienced with suspension work. Fitment must be checked against your exact model year before purchase.
Best for: Buyers who prioritize practical, cost-effective repairs and want a ready-to-install, vehicle-specific replacement that restores steering feel and removes suspension play.
Less Ideal for: Drivers seeking performance-tuned suspension upgrades or lightweight aftermarket arms should consider purpose-built alternatives rather than a factory-style replacement.
- Vehicle-specific fit for passenger-side front lower control arm simplifies replacement.
- Pre-installed ball joint saves time compared with separate-ball-joint assemblies.
- Alloy steel construction and stated testing aim to improve durability over worn factory parts.
- Includes a 10-year warranty for longer-term backing from the manufacturer.
- May require lubrication at installation since grease is not pre-applied.
- Professional alignment after installation is required to restore correct steering and tire wear.
Verdict A durable, vehicle-specific replacement lower control arm with integrated ball joint that gives practical, affordable restoration of steering and suspension function.
7. Detroit Axle Front End 6‑pc Suspension Kit (Lower Control Arms, Sway Links, Outer Tie Rods)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Outer |
| Auto Part Orientation | Drivers Side |
| Manufacturer | Detroit Axle |
This Detroit Axle front end 6-piece suspension kit bundles two front lower control arms with preinstalled ball joints, two sway bar end links and two outer tie rod ends to replace worn front-end components in vehicles requiring that fit. It is typically used when the lower control arms and related steering linkages show play or when doing an overhaul while the suspension is apart. The parts are factory-replacement style and arrive with pressed-in bushings and ball joints that simplify installation for a DIYer or an independent shop. Buyers benefit from getting all common wear items together rather than sourcing parts individually, which saves labor and ensures matched geometry. Some customers note differences in supplied fasteners and occasional missing grease fittings, so you may need to source a washer or different nuts during installation. Build quality is generally solid for a value-focused aftermarket kit but a few reports indicate premature rubber bushing degradation on long-term examples, so expect average longevity compared with higher-end brands.
Best for: Practical optimizers who prefer an efficient, lower-cost repair that replaces multiple front-end wear parts at once to minimize shop time and avoid repeated disassembly.
Less Ideal for: Buyers seeking a long-term performance upgrade or premium longevity should consider higher-end replacement arms or performance-oriented brands instead.
- Complete kit that replaces lower control arms plus sway links and outer tie rods in one purchase
- Lower control arms come with ball joints and pressed-in bushings to reduce prep work at installation
- Vehicle-specific fitment reduces trial-and-error fit issues
- Saves time and potentially labor costs by bundling commonly failing front-end parts
- Some fasteners supplied differ from factory nut sizes which can require additional tools or replacement hardware
- Several reviews report missing grease fittings or small hardware pieces in rare cases
- A few long-term reports of bushing rubber cracking suggest durability may lag premium options
Verdict A cost-effective, matched kit for replacing worn front lower control arms and steering links that saves time and upfront cost but may not match premium durability.
Choosing the Right Scion xD Ball Joint: Key Factors to Consider
Fitment and Compatibility
Accurate fitment ensures suspension geometry remains unchanged and steering alignment stays within spec. Ball joints that match the Scion xD’s factory dimensions reduce the need for additional adjustments and help maintain predictable handling.
Compatibility also affects installation time. Units designed for the vehicle minimize modifications and lower the risk of unexpected issues during replacement. Verify part numbers and mounting configurations before purchasing to avoid returns or rework.
Load Rating and Construction
The ball joint must withstand steering and suspension loads without premature deformation. Higher load ratings and solid construction materials contribute to a longer service life and more consistent performance under cornering and braking forces.
Look for cold-forged studs, hardened races, and robust housings that resist wear. These construction choices influence how the joint handles repeated stress and help prevent looseness that can lead to steering vagueness.
Sealing and Corrosion Resistance
Effective seals keep grease in and contaminants out, which preserves joint lubrication and reduces wear. In climates with road salt or frequent moisture, corrosion-resistant coatings and plated components extend service life and reliability.
A well-sealed joint delays the onset of play and helps prevent symptoms such as clunking or erratic steering. Consider units with durable boots and rust-resistant finishes for long-term durability.
Serviceability and Installation
Ease of installation matters for both DIYers and professional mechanics. Some ball joints arrive as press-in units while others are bolt-in; the required approach affects whether you need a ball joint press tool or special hardware.
Availability of replacement hardware or a complete ball joint kit can simplify the job. Clear installation guidance and compatibility with common shop tools reduce labor time and the chance of installation errors.
Impact on Ride Quality and Handling
Ball joints influence steering responsiveness and the overall feel of the front suspension. A properly functioning joint maintains precise control inputs and helps prevent wheel vibration or uneven tire wear.
Select components that preserve factory steering geometry and articulation to retain predictable handling. Consider how stiffness and tolerances affect feedback and comfort for everyday driving.
Longevity and Warranty
Expected service life and any available warranty provide insight into product confidence and long-term value. Longer warranties often indicate higher-quality materials and manufacturing processes.
Factor in expected mileage before replacement and whether the manufacturer offers support for premature failure. A clear warranty and accessible customer support can make future servicing simpler and less risky.
FAQ
How do I know if my Scion xD needs a ball joint replacement?
Common signs include clunking noises when turning or going over bumps, uneven tire wear, or loose steering feel. You may also notice wheel vibration at certain speeds. A visual inspection can reveal torn boots or excessive play, but a professional check is often the safest way to confirm the need for replacement.
Can I replace a Scion xD ball joint myself?
Many owners can perform the replacement if they have mechanical experience and the right tools. Jobs that require pressing out the old joint typically need a ball joint press tool and proper safety precautions. If you are unsure about any step, seeking a technician helps avoid alignment issues or damage to suspension components.
Should I replace upper or front lower ball joint first if only one is worn?
Which joint to replace depends on which one shows wear or play during inspection. Often, the joint with visible boot damage or measurable movement is prioritized. If both joints are aged, replacing them in pairs on the same axle can help ensure balanced handling and even wear.
Will a worn ball joint cause wheel vibration?
A failing ball joint can contribute to wheel vibration, particularly if it allows excessive movement in the suspension. However, vibration has multiple possible causes such as tire imbalance or worn bearings. A thorough diagnosis helps attribute the vibration to the correct source.
What should I consider about warranty or expected lifespan?
Look for products that specify expected mileage or offer a warranty, as these indicate manufacturer confidence. Consider the typical driving conditions you face, since heavy use or harsh environments can shorten lifespan. A clear warranty and documented support channels provide added reassurance if issues arise.
How We Chose the Best Scion xD Ball Joint
We focused on components specifically suited to the Scion xD and prioritized fitment accuracy, load capacity, corrosion resistance, and service life. Our evaluation emphasized correct OEM-style dimensions to maintain suspension geometry, robust materials and coatings for longevity in varied climates, and reliable joint articulation to preserve steering feel. We also considered ease of installation, availability of replacement hardware or a ball joint kit, and compatibility with common tools such as a ball joint press tool. Ride quality and the ability to mitigate wheel vibration were weighed through specification review and installer guidance. Exclusions: we avoided options without explicit fitment data for the Scion xD or products that lacked clear material or warranty information. The final list highlights components that best balance durability, fitment, and straightforward installation for this vehicle.
Our full evaluation process is outlined in our review methodology.
Conclusion
When replacing a Scion xD ball joint, prioritize correct fitment and robust construction to maintain steering geometry and long-term reliability. Pay attention to sealing and corrosion protection to extend service life, and choose components that minimize installation complexity if you plan to do the work yourself. Balancing load capacity, ease of installation, and warranty will help you select a part that restores handling and reduces the chance of repeat repairs. Focus on the factors discussed here to make a practical, safety-minded choice for your vehicle.
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