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If your Scion xB feels bouncy, sags in the rear, or handles poorly, the right leaf spring can make a real difference in daily driving and when carrying cargo. You want replacements that restore original ride height, control axle movement, and deliver predictable handling under load. This guide highlights the top shortlisted Scion xB leaf spring options selected for fitment, durability, and ease of installation. Read on to understand the criteria we used and what matters most when choosing a leaf spring for your vehicle.
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 | Dorman 90-203HD Rear Leaf Spring |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman 90-297HD Rear Leaf Spring |  |
| Best Value The sweet spot between price and what you get | Dorman 929-114 Rear Passenger Side Leaf Spring for Select Toyota Models |  |
| Best Budget The cheapest option that still gets the job done reliably | Zone Offroad ZONJ0308 3" Lift Rear Leaf Spring (sold individually) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Dorman 929-400 Leaf Spring (replacement) |  |
| Best Seller A high-volume bestseller chosen again and again | Dorman 929-113 Rear Driver Side Leaf Spring |  |
1. Dorman 90-203HD Rear Leaf Spring
| Model | Dorman 90-203HD |
|---|---|
| Manufacturer | Dorman Products |
| Exterior | Ready To Paint If Needed |
| Compatible Vehicles | Toyota Tacoma: 1998-2000 |
This Dorman rear leaf spring is a direct-replacement suspension part intended to restore load support and ride stability when an original spring is worn, cracked, or damaged. It is typically used as a like-for-like swap during rear suspension repairs to regain factory ride height and handling characteristics. The spring is built to match original fit and mounting points so installation is straightforward for a competent DIYer or a shop with basic suspension tools. Dorman highlights corrosion resistance and fatigue-tested construction, which suggests durable service life compared with generic panels. Because it is a single replacement spring, buyers should check vehicle trim and measurements to confirm fitment before purchasing. This part is focused on restoring original performance rather than increasing payload or changing ride tuning, so it is best when you want a reliable, factory-quality repair rather than a performance upgrade.
Best for: Balanced, all-round buyers who want a reliable, factory-quality replacement to restore normal ride and handling without modifying vehicle behavior.
Less Ideal for: Drivers seeking upgraded payload capacity, modified ride height, or performance-tuned suspension should consider heavy-duty or performance-oriented alternatives instead of this stock-style replacement.
- Direct-replacement design to match factory fit and mounting points
- Engineered for corrosion resistance and fatigue-tested for longer service life
- Manufactured by a large aftermarket supplier with wide parts coverage
- Designed to restore stock performance and not intended for increased load capacity or performance tuning
Verdict: A practical, factory-fit rear leaf spring that restores original ride and handling for straightforward suspension repairs.
2. Dorman 90-297HD Rear Leaf Spring
| Model | Dorman 90-297HD |
|---|---|
| Manufacturer | Dorman Products |
| Exterior | Ready To Paint If Needed |
This Dorman 90-297HD rear leaf spring is a heavy-duty replacement designed to restore suspension support and ride quality when an original leaf is damaged or worn. Installed in place of a failed spring, it holds vehicle weight and payload while maintaining axle position and damping characteristics that affect handling and comfort. The spring is engineered to match factory fit and function and undergoes corrosion resistance and fatigue testing for long service life. Practical benefits include straightforward bolt-in replacement when fitment matches, consistent load support for towing or carrying cargo, and reduced chance of premature failure compared with untested aftermarket pieces. Limitations are that correct fit must be confirmed for the Scion xB using vehicle trim tools because the listing cites compatibility for specific models, and professional installation may be required to ensure shackle and bushing alignment and correct spring sag. This part is best used as a like-for-like factory-quality repair to bring a compromised rear suspension back to spec.
Best for: Performance-oriented owners seeking a factory-quality replacement to restore rear suspension support and handling after a failed spring.
Less Ideal for: Buyers who want an upgraded performance spring with altered rates or lift; this part is intended as a stock-equivalent replacement rather than a tuned upgrade.
- Designed to match factory fit and function for direct replacement
- Built with corrosion resistance and fatigue testing for longer service life
- Provides consistent load support to restore handling and ride quality
- From a well-known aftermarket supplier with wide parts coverage
- Fitment must be confirmed for Scion xB trim before purchase
- May require professional installation to ensure proper alignment and bushings
Verdict: A factory-quality, heavy-duty replacement leaf spring meant to restore original rear suspension support and durability.
3. Dorman 929-114 Rear Passenger Side Leaf Spring for Select Toyota Models
| Manufacturer | Dorman Products |
|---|---|
| Model | 929-114 |
| Manufacturer Part Number | 929-114 |
| OEM Part Number | 48210-04550; 48210-04551; 48210-35A40; 4821004650 |
This Dorman leaf spring is a direct replacement designed to restore rear suspension support and ride height on compatible Toyota models. It installs in place of the original spring and is intended for use when the factory spring is cracked, corroded, or has permanently sagged from age or overload. The part is painted and built to aftermarket specifications to provide reliable service life and consistent load-bearing behavior. Buyers will appreciate that it is matched to factory mounting points so fitment is straightforward when the correct vehicle fit is selected, and it carries multiple OEM part number matches for verification. Real-world notes: some users report small differences in ride height compared with factory springs, so alignment and pairing with the opposite-side spring matter, and professional installation is recommended to ensure correct spring alignment and spring eye hardware torque. This is a practical replacement for restoring suspension function but not a heavy-duty upgrade for higher payload or off-road lift purposes.
Best for: Balanced buyers who want a reliable, factory-style replacement to restore ride quality and suspension support on their Toyota without pursuing aftermarket lift or heavy-load upgrades.
Less Ideal for: Drivers seeking heavy-duty load upgrades, lift kits, or performance off-road springs should choose purpose-built or reinforced replacements instead of this direct-replacement unit.
- Direct-replacement design matches factory mounting points for straightforward fitment on specified Toyota models
- Painted finish for corrosion resistance compared with bare springs
- Manufactured to aftermarket specifications for consistent load-bearing and long service life
- May sit slightly lower than original factory spring height on some vehicles requiring matched pair replacement or shimming
- Not marketed as a heavy-duty or lift spring option for increased payload or off-road use
Verdict: A practical, factory-style rear leaf spring replacement that restores suspension support and fitment for compatible Toyota models.
4. Zone Offroad ZONJ0308 3" Lift Rear Leaf Spring (sold individually)
| Model | ZONJ0308 |
|---|---|
| Manufacturer | Zone Offroad |
| Lift | 3" of lift |
| Pack | 5-leaf |
This Zone Offroad replacement leaf spring is a budget-oriented rear spring designed to add about 3 inches of lift while preserving compression travel. It is a five-leaf pack with anti-friction pads and spacer plates between leaves to reduce internal friction and improve articulation, sold individually with bushings supplied separately. Installation is typical for rear leaf springs and will be most practical for owners who want a simple lift without extensive suspension overhaul. The machined exterior and heavier pack help restore load-carrying feel compared with worn factory springs, but buyers should expect basic materials and finish compared with higher-end or performance-focused options. Because it is sold one spring at a time and does not include bushings, plan for extra parts and labor. Customer feedback is mixed, so confirm fitment and inspect components during install to ensure the expected ride and clearance gains.
Best for: Budget-conscious Scion xB owners who want a straightforward rear lift and improved wheel travel without paying for premium branded springs.
Less Ideal for: Drivers seeking a fully matched set, factory-quality finish, or who prefer a complete kit with included bushings and hardware should consider higher-end replacements or complete suspension kits.
- Provides a 3 inch rear lift to increase ground clearance and accommodate larger tires
- Five-leaf pack with anti-friction pads and spacer plates improves wheel travel and reduces internal binding
- Sold individually so you can replace only the worn side rather than buying a full set
- Bushings are not included so additional purchases or reuse of old bushings are required
- Finish and materials are basic compared with premium or performance aftermarket springs
Verdict: A low-cost 5-leaf rear spring that delivers a 3 inch lift and better wheel travel for Scion xB owners on a tight budget.
5. Dorman 929-400 Leaf Spring (replacement)
| Brand | Dorman |
|---|---|
| Model | 929-400 |
| Manufacturer Part Number | 929-400 |
| OEM Part Number | 48210-04051; 48210-04052; 48210-04053; 48210-04080; 48210-04081; 48220-04020; 48220-04021; 48220-04022; 48220-04030; 48220-04031 |
This Dorman 929-400 leaf spring is a factory-replacement style suspension leaf meant to restore weight support and ride control when an original spring is worn or damaged. It is used as a straightforward swap-in part to replace a failed leaf spring, returning sagging rear ride height and improving handling under load. The unit is painted for corrosion resistance and built to Dorman specifications intended to match original fit and function for listed applications. Practical benefits include simpler installation compared with custom spring packs and predictable load-carrying behavior once installed. Limitations are that fitment must be confirmed for your Scion xB trim and year before purchase and the part is a single spring so replacing one side may still leave slightly uneven wear if the opposite spring is aged. This is a solid, no-frills replacement for owners who need a reliable restored ride rather than upgraded performance.
Best for: Reliability-focused owners who prioritize restoring factory ride and load capacity with a straightforward replacement part rather than performance upgrades.
Less Ideal for: Buyers seeking increased load capacity, ride height lift, or performance-tuned suspension should consider upgraded or custom leaf packs instead.
- Factory-replacement design intended to match original fit and function
- Painted finish for basic corrosion protection
- Built to aftermarket supplier specifications for dependable load support
- Requires verification of exact Scion xB fitment before purchase
Verdict: A dependable, factory-style replacement leaf spring for restoring original ride and load support.
6. Dorman 929-113 Rear Driver Side Leaf Spring
| Model | 929-113 |
|---|---|
| Manufacturer | Dorman Products |
| Exterior | Painted |
| OEM Part Number | 48220-04190; 48220-04191; 48220-35040; 4822004290 |
This Dorman rear driver-side leaf spring is a factory-style replacement meant to restore load-bearing capacity and ride control when a leaf pack is worn, cracked, or corroded. Installed at the rear driver side, it accepts the same mounting points as the original and is used to return sagging suspension to its designed height and handling. Notable features include painted corrosion-resistant exterior and manufacturing to aftermarket specifications by a long-established supplier. In practice the part provides predictable spring rate and alignment with existing hardware so installation and alignment are straightforward for a competent DIYer or a shop. The main limitations are that fitment must be confirmed for a Scion xB and related trims before purchase and that a single spring replaces only one side so matching the opposite side may be necessary to avoid uneven ride. Buyers should also expect a professional alignment after replacement to ensure correct handling.
Best for: Risk-averse mainstream buyers who prioritize a dependable, factory-style repair and want a straightforward replacement that restores original ride and load characteristics.
Less Ideal for: Shoppers looking for performance upgrades, altered spring rates, or a complete axle refresh should consider purpose-built or matched-pair suspension options instead.
- Direct-replacement design for straightforward installation
- Painted finish for corrosion resistance
- Manufactured by an experienced aftermarket supplier with a wide parts catalog
- Sold as a single side unit so you may need to purchase the opposite side to match
- Fitment must be confirmed for Scion xB trim before ordering
Verdict: A straightforward, factory-style rear leaf spring replacement that restores original suspension support and ride height.
Choosing the Right Scion xB Leaf Spring: Key Factors to Consider
Fitment and Mounting Compatibility
Correct fitment ensures the spring mounts, shackles, and bushings align with the Scion xB chassis without modification. Mismatched geometry can cause poor ride height, uneven tire wear, and extra stress on mounting points.
Verify eye-to-eye length, spring arch, and shackle requirements against your vehicle specifications. Properly compatible parts reduce installation time and minimize the need for adapters or fabrication, which preserves structural integrity and safety.
Spring Rate and Load Capacity
Spring rate determines how stiff or compliant the suspension feels under load and during cornering. A rate that is too soft will cause sag and reduced handling precision; too stiff a rate can make the ride harsh and transfer more force to the chassis.
Choose a leaf spring with a load rating and rate suited to how you use the vehicle, whether you frequently carry passengers, cargo, or occasional heavy loads. Aim for a balance that maintains ride height while preserving comfort and control.
Material Quality and Corrosion Protection
Leaf springs endure repeated flex cycles and exposure to moisture, road salt, and debris. High-quality spring steel and proper heat treatment improve fatigue life and help the spring retain its shape over time.
Corrosion-resistant coatings, zinc plating, or powder coatings extend service life by slowing rust. Prioritizing materials and finishes reduces the likelihood of premature failure and lowers long-term maintenance needs.
Bushing and Shackle Design
Bushings and shackles affect noise, vibration, and the precision of axle locating. Durable bushings reduce deflection and unwanted movement, while properly designed shackles ensure smooth articulation as the suspension cycles.
Look for replacement springs that include compatible bushings or specify recommended bushing types. Consider bushing materials that balance compliance and longevity, such as polyurethane for durability or rubber for quieter operation.
Ride Height and Arch Consistency
The spring arch determines static ride height and clearance. Replacements should match or intentionally modify the original arch only if you understand the tradeoffs. Increased arch can restore sag but may change handling characteristics.
Ensure listed arch measurements and tolerance information are available so you can predict how the vehicle will sit and whether additional adjustments, like shock tuning, are needed after installation.
Serviceability and Installation
Some leaf springs are direct-fit assemblies while others require shims, new bolts, or additional hardware. Ease of installation affects total time and whether a professional is required.
Check whether the replacement includes necessary mounting hardware, if alignment adjustments are needed, and whether any special tools are required. Consider how accessible suspension components are on the Scion xB and your comfort level with suspension work.
How We Chose the Best Scion xB Leaf Spring
We compiled options that specifically fit the Scion xB and filtered for parts with documented fitment, consistent manufacturing tolerances, and materials suitable for long-term use. Key evaluation criteria included load capacity and spring rate to ensure correct ride height and handling under typical cargo and passenger loads; material and coating quality for corrosion resistance in varied climates; mounting compatibility and bushing or shackle interfaces to reduce installation challenges; and durability indicators such as heat-treated leaves or fatigue-rated steels.We excluded generic multi-vehicle kits and components that required extensive fabrication or nonstandard mounts. We also set aside options lacking clear fitment documentation or those with inconsistent user feedback about premature sagging. The resulting list focuses on replacements that balance ride quality, longevity, and straightforward installation for Scion xB owners.
Our full evaluation process is outlined in our review methodology.
FAQ
How can I tell if a leaf spring on my Scion xB is failing?
Common signs include a noticeable sag in the rear, uneven ride height, increased bouncing over bumps, or clunking noises from the suspension. You might also notice changes in handling or tire wear. A visual inspection can reveal cracked leaves, heavy rust, or displaced clamps, which often indicate it is time for replacement.
Can I replace just one leaf spring or should I replace both sides?
Replacing only the damaged side can lead to uneven ride height and handling differences. It is usually better to replace both springs on an axle to maintain symmetry in spring rate and arch. If one spring shows significant wear, the other may be near the end of its service life as well.
What is involved in leaf spring installation on a Scion xB?
Installation typically involves supporting the axle, removing mounting bolts or U-bolts, disconnecting shackles and bushings, and swapping the spring assembly. Reassembly requires torquing fasteners to spec and checking ride height. Some installations are straightforward for experienced DIYers, while others benefit from a lift and professional alignment.
Do I need new bushings or hardware when replacing leaf springs?
New bushings and mounting hardware are often recommended because worn bushings or corroded bolts can compromise the new spring's performance. Fresh hardware ensures proper clamping force and alignment, and replacing bushings can reduce noise and improve durability.
Will replacing leaf springs change my Scion xB ride comfort?
Yes, the new spring rate and arch directly affect ride comfort. A correctly matched spring can restore original comfort and handling, while a heavier-duty or stiffer option may make the ride firmer. Consider your typical load and driving conditions when choosing a replacement.
Conclusion
When choosing Scion xB leaf springs, prioritize correct fitment and a spring rate that matches how you use the vehicle. Material quality, corrosion protection, and compatible bushings or shackles will influence longevity and ride quality.Balance the desire to restore original ride height with the handling tradeoffs of stiffer springs. Planning for proper installation and using appropriate hardware will help ensure reliable performance and a safer, more comfortable ride.
Explore More:
- Check out all Scion xB parts & accessories
- Explore Leaf Springs Maintenance & Repair Guides
- Explore Suspension & Steering
- Browse all Auto Parts
