7 Best Shock Absorbers for Infiniti Q50: Restore Handling And Ride Comfort

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: March 24, 2026

Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.

Replacing worn shock absorbers matters because they directly affect ride quality, braking stability, and how your Infiniti Q50 responds in everyday driving. If shocks are failing you may notice more body roll, longer braking distances, or increased vibration over bumps. This guide presents a shortlist of the top shock absorber options for the Infiniti Q50, chosen for their balance of ride comfort and long-term durability. We evaluated candidates on ride behavior, build quality, and expected longevity to help you pick the right fit. Read on for what to watch for and the factors that guided our selection.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
ZYFONLIX Front Left Shock Strut Assembly for Infiniti Q50 / Q60 Sport (2016–2024)ZYFONLIX Front Left Shock Strut Assembly for Infiniti Q50 / Q60 Sport (2016–2024)
Most Popular
A crowd favorite that many people choose with confidence
A-Premium Rear Shock Strut Assembly, pair (Driver & Passenger)A-Premium Rear Shock Strut Assembly pair (Driver & Passenger)
Best Quality
Built to a higher standard if you want something more solid
Kalmaegee Rear Air Shock Absorber Strut (pair)Kalmaegee Rear Air Shock Absorber Strut (pair)
Best Budget
The cheapest option that still gets the job done reliably
A-Premium Rear Shock Absorber Strut Assembly, 2‑Piece SetA-Premium Rear Shock Absorber Strut Assembly 2‑Piece Set
Most Sold
A high-volume bestseller chosen again and again
FLOVENTIS Front Right Air Strut Assembly for Infiniti Q50/Q60 Sport (2016–2024)FLOVENTIS Front Right Air Strut Assembly for Infiniti Q50/Q60 Sport (2016–2024)
Best Value for Money
The sweet spot between price and what you get
ZYFONLIX Rear Right Shock Strut Assembly for Infiniti Q50/Q60 (2016–2024)ZYFONLIX Rear Right Shock Strut Assembly for Infiniti Q50/Q60 (2016–2024)
Monroe Magnum RV 555010 Shock Absorber and Coil Spring AssemblyMonroe Magnum RV 555010 Shock Absorber and Coil Spring Assembly

1. ZYFONLIX Front Left Shock Strut Assembly for Infiniti Q50 / Q60 Sport (2016–2024)

ZYFONLIX Front Left Shock Strut Assembly for Infiniti Q50 / Q60 Sport (2016–2024)
Best Reviewed
A direct-fit front left shock strut assembly designed to replace factory units on 2016–2024 Infiniti Q50 and Q60 Sport models.
Applicable vehicle model2016-2024 Infiniti Q50 Sport, 2016-2024 Infiniti Q60 Sport
ManufacturerZYFONLIX
Model2S 2417
ExteriorMachined

This ZYFONLIX front left shock strut is a direct replacement for the factory unit on 2016–2024 Infiniti Q50 and Q60 Sport models, intended to restore original handling and ride comfort. It installs like a factory-style strut and is typically used when a worn or damaged front suspension component causes increased vibration, poor braking stability, or uneven tire wear. Notable features include a machined exterior finish, thick rubber boot for protection, and compatibility with multiple OEM part numbers so fitment is straightforward for the specified Sport models. In real-world use the assembly reduces road noise and vibrations, improves steering response, and helps maintain tyre contact and braking performance over rough pavement. Limitations to consider are that this is a single-side assembly so buyers replacing both sides should budget accordingly, and long-term durability versus higher-end branded struts can only be judged after extended driving. Overall it is a practical, reliability-focused factory-replacement option for restoring ride quality on the specified Infiniti Sport models.

Best for: Reliability-focused buyers who prioritize restoring factory handling and a quiet, stable ride on their Infiniti Q50 or Q60 Sport and prefer a like-for-like replacement over performance upgrades.

Less Ideal for: Drivers seeking performance-tuned suspension or aftermarket damping adjustments should consider performance shock options instead.

Pros:
  • Direct-fit replacement for 2016–2024 Infiniti Q50 and Q60 Sport models using listed OEM numbers
  • Machined exterior and robust rubber boot help protect internals from road debris and moisture
  • Designed to reduce road vibration and improve steering response to restore factory handling
  • Reported easy installation and secure electrical plug fitment in user feedback
Cons:
  • Sold as a single front-left assembly so matching the opposite side requires a separate purchase
  • Long-term longevity versus premium suspension brands is not verified beyond initial user reports

Verdict A practical, reliability-oriented front-left strut that restores factory ride and handling for 2016–2024 Infiniti Q50 and Q60 Sport models, sold as a single replacement unit.

2. A-Premium Rear Shock Strut Assembly, pair (Driver & Passenger)

A-Premium Rear Shock Strut Assembly pair (Driver & Passenger)
A-Premium rear shock strut assembly sold as a driver and passenger pair for select Infiniti models to restore rear suspension damping.
Auto Part PositionRear
MaterialMetal
Extended Length19.69 Inches
Reference Number37365

This rear shock strut assembly is a factory-replacement style pair intended to restore rear ride control and damping after worn originals. It is designed to install on the rear left and right positions and includes the matched pair so both sides can be serviced at once. Typical use is direct replacement during a suspension refresh or when symptoms like increased body roll, bottoming, or a bouncy ride appear. Notable features called out by the maker include a one-year unlimited-mileage guarantee and match to the referenced part number for straightforward fitment. In practice the metal construction and factory-style mounting make it a straightforward swap for a competent DIYer or a shop, and selling as a pair helps maintain balanced handling. Limitations are that upper mounts or dust shields may not be included and you should verify the exact Q50 rear mount codes before purchasing to avoid additional parts or unexpected fitment differences. Expect OEM-style performance rather than upgraded sport damping or adjustable tuning.

Best for: Convenience-driven buyers who prioritize an easy, like-for-like rear suspension replacement and want a ready pair to minimize additional ordering or shop visits.

Less Ideal for: Drivers seeking performance-tuned or adjustable rear suspension upgrades, or those who need a complete mount-to-mount hardware kit included.

Pros:
  • Sold as a matched driver and passenger pair for balanced rear damping
  • Factory-replacement mounting and metal construction for straightforward swap-in fitment
  • One-year unlimited-mileage guarantee from the brand
  • References a specific part number for easier vehicle compatibility checks
Cons:
  • May not include upper mount or dust shield, potentially requiring extra parts for full installation
  • Not an adjustable or performance-tuned shock—aimed at restoring factory ride rather than improving handling

Verdict A simple, matched rear strut pair for restoring factory-style ride and handling quickly and conveniently.

3. Kalmaegee Rear Air Shock Absorber Strut (pair)

Kalmaegee Rear Air Shock Absorber Strut (pair)
Best Quality
A pair of rear air shock absorber struts designed as vehicle‑specific replacements for certain Infiniti and Nissan full‑size SUVs.
Auto Part PositionRear
Vehicle Service TypeFor Infiniti QX56 (JA60 Chassis) 2004-2010 4WD; For Nissan Armada (WA60 Chassis) 2005-2015 4WD
MaterialMetal
ManufacturerKalmaegee

These rear air shock absorber struts replace worn rear suspension units and restore ride height control and damping for compatible full‑size SUVs. They install as complete rear assemblies with the air bladder and mounting hardware attached, so they are typically used when the factory rear air shocks have leaked or lost effectiveness. Notable features include higher damping force and reduced internal friction according to the manufacturer, which should improve road control and reduce fatigue over time. Buyers will appreciate the vehicle‑specific fit and included strut assembly for a direct swap without fabricating brackets. Limitations to keep in mind are the aftermarket rubber air bladder quality may not exactly match factory longevity and long‑term durability is still contingent on proper installation and maintenance. Also this part is a rear air strut assembly for larger Infiniti/Nissan SUVs and is not a universal shock for different models or suspension types.

Best for: Performance‑oriented buyers who prioritize restoring firm, controlled rear damping and ride height on older Infiniti SUV platforms and want a ready‑to‑install replacement that targets handling and stability.

Less Ideal for: Shoppers seeking parts for passenger sedans like the Infiniti Q50 or those wanting guaranteed factory‑grade longevity should look for components specified for that vehicle or OEM replacements instead.

Pros:
  • Vehicle‑specific rear air strut assembly for a direct fit on listed models
  • Comes as a complete unit with air bladder and mounting hardware for easier installation
  • Manufacturer states increased damping force and reduced friction for improved ride control
  • Lower cost compared with factory replacement while matching common OEM part numbers
Cons:
  • Air bladder material appears lower grade than factory on some user reports which may affect longevity
  • Fits specific chassis and is not compatible with unrelated Infiniti models such as the Q50

Verdict A vehicle‑specific aftermarket rear air strut that boosts rear damping and ride control for the listed Infiniti/Nissan SUVs but is not suited for the Infiniti Q50.

4. A-Premium Rear Shock Absorber Strut Assembly, 2‑Piece Set

A-Premium Rear Shock Absorber Strut Assembly 2‑Piece Set
Best Budget
A-Premium rear strut assembly designed to replace the factory rear shocks on compatible Infiniti models as a low-cost, direct-replacement option.
Auto Part PositionRear
Upper Mount TypeS1 (10MM)
Lower Mount TypeClevis Bracket Mount
Extended Length21.26 Inches

This two-piece rear shock absorber strut assembly is a budget-focused replacement intended for the rear left and right positions on compatible Infiniti vehicles. It replaces worn rear shocks to restore ride control and damping, and is typically used by DIYers or independent shops when the original units show leakage or loss of damping. Notable features include factory-style upper and lower mounting types, a clevis lower bracket, and a specified stroke and compressed/extended lengths to match fitment needs. In practical terms the assembly provides a cost-effective way to recover ride comfort and handling without paying for a premium brand, and several buyers report straightforward installation when suspension can be fully extended. Limitations are typical for budget aftermarket parts: fitment tolerances may vary versus factory parts, some buyers reported minor alignment or welded-nut positioning issues, and long-term durability is less certain than higher-end replacements. Expect acceptable performance for everyday driving but plan for inspection after initial miles and professional help if alignment or fit problems appear.

Best for: Practical, budget-conscious buyers who prioritize low replacement cost and want a direct rear shock replacement to restore everyday ride and handling on their Infiniti Q50-compatible model.

Less Ideal for: Drivers seeking factory-quality longevity, performance tuning, or guaranteed exact OEM fit should consider higher-end or manufacturer-approved replacements instead.

Pros:
  • Budget-friendly two-piece set that replaces both rear shocks at once
  • Factory-style mounting interfaces for straightforward bolt-in installation on listed Infiniti models
  • Includes specifications (compressed/extended/stroke) to match suspension travel and reduce fitment guesswork
Cons:
  • Fitment and welded-nut alignment can be inconsistent compared with factory parts
  • Dust shield not included which may reduce long-term seal protection
  • Durability and long-term performance are not documented to the same level as premium OE-quality units

Verdict A cost-effective rear shock assembly for Infiniti rear replacements that restores basic ride control but may require careful fit checks and offers less long-term assurance than premium options.

5. FLOVENTIS Front Right Air Strut Assembly for Infiniti Q50/Q60 Sport (2016–2024)

FLOVENTIS Front Right Air Strut Assembly for Infiniti Q50/Q60 Sport (2016–2024)
Most Sold
A direct-replacement front right air strut assembly designed to restore ride quality and handling on 2016–2024 Infiniti Q50 and Q60 Sport models.
Auto Part PositionFront Right
Vehicle Service Type2016-2024 Infiniti Q50 Sport, 2016-2024 Infiniti Q60 Sport
MaterialMetal, Plastic, Rubber
ManufacturerFLOVENTIS
Model2S2418

This FLOVENTIS front right air strut is a vehicle-specific replacement meant to restore the suspension performance on 2016–2024 Infiniti Q50 and Q60 Sport cars. It installs in place of the original front right shock/strut and is intended to reduce vibration, improve ride comfort and support predictable cornering. The unit includes the rubber boot and mounting components typical of a ready-to-fit strut assembly and is presented as a direct in-situ replacement for the factory part numbers listed. For daily driving it should return a firmer, more controlled feel compared with worn components and help eliminate noise associated with degraded struts. Important limitations are that this is a single-side assembly so buyers replacing both sides will need to purchase a matching unit, and compatibility is limited to the specified Sport model years. Expect standard suspension installation procedures and alignment after fitment; any issues from other worn suspension parts will still affect overall handling.

Best for: Risk-averse mainstream buyers looking for a straight factory-style replacement to restore original ride comfort and predictable handling on a Q50/Q60 Sport.

Less Ideal for: Drivers wanting a performance-tuned or adjustable aftermarket suspension should look at purpose-built upgrade kits rather than a factory-style replacement strut.

Pros:
  • Made for the 2016–2024 Infiniti Q50 and Q60 Sport for direct vehicle-specific fit
  • Includes rubber boot and mounting elements for a plug-and-play installation
  • Targets ride quality and vibration reduction to restore handling confidence
Cons:
  • Sold as a single front-right assembly so matching side not included
  • Manufacturer details and long-term durability beyond initial fitment are limited

Verdict A vehicle-specific, plug-and-play front right air strut that restores factory-style ride and handling for risk-averse Infiniti Q50/Q60 Sport owners.

6. ZYFONLIX Rear Right Shock Strut Assembly for Infiniti Q50/Q60 (2016–2024)

ZYFONLIX Rear Right Shock Strut Assembly for Infiniti Q50/Q60 (2016–2024)
Best Value for Money
A rear right replacement shock strut designed to restore ride comfort and handling on 2016–2024 Infiniti Q50 and Q60 Sport models.
PositionRear Right
Applicable vehicle model2016-2024 Infiniti Q50 Sport RWD AWD; 2016-2024 Infiniti Q60 Sport RWD AWD
ManufacturerZYFONLIX
Model2S 2420

This ZYFONLIX rear right shock strut is a direct-replacement assembly intended to match factory fit and function for 2016–2024 Infiniti Q50 and Q60 Sport models. It combines a machined exterior housing with a complete strut design so installers can swap it in place of the factory unit to regain damping performance, reduce road vibration, and improve rear‑end stability and braking feel. Typical use is as a one-for-one repair during worn-shock replacement or when addressing uneven ride height and increased rear bounce. Practical benefits include immediate improvement in ride smoothness, quieter operation, and compatibility with the listed OEM part numbers for straightforward fitment. Limitations are that this is a single-side rear assembly so buyers replacing both sides should budget accordingly, and long-term durability data from wide use is limited compared with established mainstream brands. Buyers should also confirm vehicle and model specifics before installation to ensure the correct position and connector alignment.

Best for: Practical optimizers seeking a budget-conscious, vehicle-specific replacement that restores factory-like ride and handling without paying for premium aftermarket performance upgrades.

Less Ideal for: Drivers who want performance-tuned damping, long-term proven brand pedigree, or those looking for a full set upgrade rather than a single-side replacement should consider other options.

Pros:
  • Factory-fit replacement design for 2016–2024 Infiniti Q50 and Q60 Sport models
  • Machined exterior and complete strut assembly simplifies installation compared with separate shock and mount purchases
  • Claims compatibility with multiple OEM part numbers for easier parts matching
  • Reported to reduce road noise and improve rear stability after installation
Cons:
  • Sold as a single rear-right unit so a full-axle refresh requires buying two
  • Limited long-term track record compared with long-established suspension brands

Verdict A cost-effective, vehicle-specific rear strut that restores comfort and stability for Q50/Q60 owners looking for a practical OEM-style replacement.

7. Monroe Magnum RV 555010 Shock Absorber and Coil Spring Assembly

Monroe Magnum RV 555010 Shock Absorber and Coil Spring Assembly
Best Overall
A vehicle-specific shock and coil spring assembly designed for heavy-duty use with gas-charge damping and reinforced components for extended service life.
Auto Part PositionTop
MaterialIron
Vehicle Service TypeCar, Truck
ModelMagnum OE Replacement

The Monroe Magnum RV 555010 is a complete top suspension assembly that combines a gas-charged shock with a coil spring and reinforced mounting features to restore ride height and control under heavier loads. It is typically used as a direct replacement on vehicles that require a vehicle-specific top assembly, providing nitrogen gas charge to reduce aeration and maintain consistent damping in varied temperatures. Notable features include 10-stage valving tuned for application-specific handling, a larger reserve tube for improved fluid performance, nitrocarburized piston rod for durability, and reinforced bushings and welds to resist wear. In practice this delivers firmer, more consistent control when hauling extra weight and reduces noise and vibration compared with worn components. Limitations are that it is a vehicle-specific assembly so fitment must be confirmed, and its firmer tuning aimed at heavier loads can feel stiffer than comfort-oriented replacements on lighter vehicles. Installation is typical for a top-mount assembly and may require basic suspension tools and alignment after fitment.

Best for: Practical, balanced buyers who prioritize longevity and predictable handling for everyday driving and occasional heavy loads and want a ready-to-install suspension assembly that restores ride height and control.

Less Ideal for: Buyers seeking a softer, comfort-focused shock for a sport-luxury sedan or those who need a stroked performance setup should look elsewhere.

Pros:
  • Complete top-mount assembly simplifies replacement by combining shock and spring in one unit
  • Nitrogen gas-charge and larger reserve tube promote consistent damping and reduced shock fade
  • 10-stage valving tuned for application-specific handling improves control under varying road conditions
  • Reinforced bushings, arc welds, and nitrocarburized piston rod increase durability and service life
Cons:
  • Designed for heavier recreational/commercial load handling so ride feels firmer on lighter passenger cars

Verdict Choose this robust, vehicle-specific top assembly when you want a durable, load-capable replacement that restores ride height and consistent handling.

Choosing the Right Infiniti Q50 Shock Absorber: Key Factors to Consider

Damping Characteristics

Damping controls how quickly the suspension responds to bumps and recovers afterward. Stiffer damping often reduces body roll and improves handling, while softer damping favors comfort by smoothing small bumps. You should choose a damping profile that matches your driving style and typical roads. Consider whether you need variable or progressive damping to handle both city driving and spirited cornering without compromising safety or comfort. Mismatched damping can make the car feel unsettled after hits or cause frequent bottoming out. Look for units designed to provide consistent damping over their service life to avoid gradual degradation in handling performance.

Durability And Sealing

Durable construction and high-quality seals reduce the risk of fluid leaks and loss of damping over time. Exposure to road salt, water, and dirt accelerates wear, so corrosion-resistant coatings and robust piston rods matter. Proper sealing also keeps contaminants out of the hydraulic chamber, maintaining consistent performance. Durable mounts and bushings reduce noise and harshness introduced to the cabin as components age. Prioritizing long-lasting materials will lower the frequency of replacements and keep handling consistent across seasons.

Fitment And Mounting

Correct fitment ensures the shock absorber interfaces properly with the Infiniti Q50 suspension geometry and mounting points. Vehicle-specific length, travel, and mounting orientation affect ride height and suspension kinematics. Poor fitment can change alignment angles or cause binding during articulation, creating uneven tire wear or unusual handling. Consider whether the unit includes necessary top mounts or dust boots, and whether it maintains factory ride height. Choosing shocks designed for your vehicle avoids installation headaches and preserves intended handling characteristics.

Heat Resistance And Fade Control

Shock absorbers convert kinetic energy into heat, so resistance to overheating affects performance during repeated or aggressive use. Units with better heat dissipation maintain damping consistency during long drives or repeated bumps, reducing the chance of fade where the shock loses effectiveness. Heat-resistant fluids and internal valving designed to prevent aeration keep feel stable under stress. If you drive in hilly areas or frequently carry heavy loads, prioritize shocks rated for higher thermal endurance to avoid progressive loss of control.

Ride Height And Spring Compatibility

Shock design must work with the vehicle spring rates and any existing ride height setup on the Infiniti Q50. Some shocks are tuned for stock springs while others are matched to firmer or lowered setups. Mismatched springs and shocks can lead to harshness, poor rebound control, or a pogo effect over repeated bumps. Confirm whether the unit preserves factory ride height or is intended for altered suspensions. Proper pairing ensures balanced handling, predictable steering response, and even tire contact with the road.

Noise And Vibration Isolation

Noise and vibration transmitted through worn or improperly mounted shocks affect perceived quality and can mask other vehicle issues. Good dampers minimize clunks, rattles, and high-frequency buzz by isolating suspension forces with proper bushings and mounts. Attention to build quality and the inclusion of dust boots or bump stops reduces the chance of premature noise as components age. Selecting shocks with solid vibration control helps maintain a quieter cabin and makes it easier to detect new suspension problems early.

FAQ

What are common signs that an Infiniti Q50 shock absorber needs replacing?

Common signs include increased bouncing after hitting bumps, noticeable body roll in turns, and uneven or rapid tire wear. You may also hear clunking noises over rough surfaces or feel a soft, floating sensation at higher speeds. These symptoms often indicate reduced damping or leaking fluid and usually warrant inspection.

Can I replace only the front shock absorber and leave the rear in place?

You can replace a single failed unit in an urgent situation, but mismatched damping between front and rear can affect balance and handling. For predictable vehicle control it is usually better to replace shocks in axle pairs, so the front and rear characteristics remain consistent with each other. Matching travel and mounting dimensions is important during replacement.

How long do shock absorbers typically last on a vehicle like the Infiniti Q50?

Shock lifespan depends on road conditions, driving style, and exposure to corrosive elements. Many units provide several years of reliable service under average driving, but harsh roads and heavy use shorten that timeframe. Regular inspections for leaks, seal damage, and reduced damping help identify when replacement is needed rather than relying on an arbitrary mileage interval.

Will replacing worn shocks improve car handling problems?

Replacing worn shock absorbers often restores more consistent handling, reduces body roll, and improves stability under braking. While shocks are not the only factor in handling, returning damping to proper levels helps the suspension control weight transfer and maintain better tire contact. Addressing worn shocks alongside alignment and tire condition gives the best overall improvement.

What causes shock absorber noise and how can I diagnose it?

Noise can come from worn mounts, broken internal components, or missing dust boots that let contaminants in. Clunks and bangs over bumps often point to mount or bushing issues, while a rattling sound may indicate loose hardware. A visual inspection for leaks, damaged seals, and loose fasteners combined with a test drive over varied surfaces usually localizes the source.

Is specialized equipment needed to replace shock absorbers on the Infiniti Q50?

Basic shock replacement may be done with standard hand tools, but some installations require spring compressors or a lift for safety and access. Vehicle-specific torque specs and proper mounting torque are important. If you are not comfortable with suspension work, professional installation reduces the risk of improper fitment or safety issues.

How We Chose the Best Infiniti Q50 Shock Absorber

We prioritized candidates that deliver consistent ride control and long service life on the Infiniti Q50 platform. Key evaluation criteria included damping performance across typical road conditions, material and seal quality that affect longevity, and resistance to heat and fade during repeated use. We also considered ease of installation specific to this vehicle, the availability of compatible mounting hardware, and expected maintenance needs. Exclusions: we excluded options that require significant vehicle modification, units lacking vehicle-specific fitment information, and products with inconsistent durability reports. The final list focuses on shock absorbers that balance comfort and control, install without major changes, and use robust construction and seals to limit leaks and premature wear.

Our full evaluation process is outlined in our review methodology.

Conclusion

When choosing shock absorbers for an Infiniti Q50, prioritize damping characteristics that match how you drive and durable construction that resists leaks and wear. Ensure correct fitment and compatibility with your springs and ride height to preserve handling and tire contact. Balance tradeoffs between comfort and control based on road conditions and intended use. Regular inspections and replacing units in axle pairs when possible will help maintain predictable handling and a comfortable ride over time.

You May Also Like

Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.