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Choosing the right air filter for your Acura TSX matters because it directly affects engine protection, throttle response, and long-term maintenance. A proper filter keeps dirt and debris out of the intake while allowing adequate airflow so your engine can run efficiently. This guide highlights the top shortlisted air filters specifically for the Acura TSX and explains the key factors that influenced our selections. Expect clear information on filtration capability, fitment, and service intervals to help you pick an option that matches your driving patterns and maintenance preferences.
Looking for other parts? See all Acura TSX parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Puroma Cabin Air Filter with Activated Carbon (Replacement CP134) |  |
| Most Popular A crowd favorite that many people choose with confidence | RUITO Cabin Air Filter (replacement for 80292-SDA-A01) |  |
| Best Quality Built to a higher standard if you want something more solid | Dacall Activated Carbon Cabin Air Filter 3-Pack |  |
| Best Budget The cheapest option that still gets the job done reliably | ECOGARD XA6061 Engine Air Filter for 2009–2014 Acura TSX |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Cabin Air Filter with Activated Carbon |  |
| Best Value for Money The sweet spot between price and what you get | FRAM Extra Guard CA9564 Engine Air Filter |  |
| Best Overall The best all-around choice for most situations | Bosch 6029C HEPA Cabin Air Filter |  |
1. Puroma Cabin Air Filter with Activated Carbon (Replacement CP134)
| Brand | Puroma |
|---|---|
| Item model number | CP134 |
| Manufacturer Part Number | HCF134N |
| Compatible vehicles | Acura and Honda models including Acura TSX |
The Puroma Cabin Air Filter is a direct-replacement cabin filter that adds an activated carbon layer to trap odors while filtering dust and airborne contaminants before they enter the TSX cabin. It installs the same way as a factory filter and is intended for simple DIY swaps that typically take under 10 minutes using the arrow on the frame for correct airflow orientation. The multi-layer, non-woven construction increases particulate capture without overly restricting HVAC airflow, so heating and cooling performance stays close to factory levels. Practical benefits include fresher-smelling vents, better protection for the HVAC system from debris, and a rigid frame that seats snugly in the housing to prevent bypass. Limitations are that performance depends on regular replacement intervals—Puroma recommends annual or mileage-based changes—and an aftermarket filter cannot guarantee identical filtration efficiency to a factory-quality part in every pollutant category.
Best for: Reliability-minded owners who prioritize straightforward, maintenance-driven upkeep and want an affordable, easy-to-install cabin filter that helps keep cabin air fresh and HVAC components protected.
Less Ideal for: Buyers seeking the absolute highest OEM-matched filtration certification for specialized pollutants or those who prefer dealer-installed parts and service packages.
- Activated carbon layer reduces cabin odors and volatile smells
- Multi-layer non-woven media captures dust and airborne particles
- Rigid frame and precise shape provide a secure fit with minimal air bypass
- Easy DIY installation with airflow arrow for correct orientation
- Requires routine replacement to maintain filtration performance
- Aftermarket media may not match every factory-spec filtration metric
Verdict A dependable, easy-to-install activated-carbon cabin filter that delivers fresher vents and practical HVAC protection for TSX owners who value maintenance and reliability.
2. RUITO Cabin Air Filter (replacement for 80292-SDA-A01)
| Compatible models | Acura TSX (2004-2014) listed among Honda/Acura fitments |
|---|---|
| Filter media | Five layers with activated carbon |
| Manufacturer part numbers | 80292-SDA-A01, RT134, CF10134, CP134 |
This RUITO cabin air filter replaces the factory cabin filter and uses an activated carbon layer plus a multi-layer media to capture dust, pollen and odors before air reaches the cabin. Typical use is a quick DIY swap behind the glovebox or in the passenger-side filter housing; the listing and many user reports say installation requires no tools and takes only a few minutes. The activated carbon helps knock down outside smells while the five-layer design aims to balance filtration with airflow so ventilation and A/C performance are not noticeably restricted. Users report consistent, factory-quality fit and improved interior air freshness. Limitations are that this is an aftermarket replacement so fit and longevity depend on vehicle conditions and driving environment, and it is a consumable that needs regular replacement as it loads with debris. Also the product listing includes many vehicle fitments so double-check that the TSX year you own matches the part reference before installing.
Best for: Drivers who prioritize convenience and quick DIY maintenance and want an easy, effective way to refresh cabin air without a trip to a shop.
Less Ideal for: Buyers seeking a long-term high-end allergy-specific filter or those who prefer dealer-supplied factory parts for strict OEM provenance.
- Activated carbon layer reduces outside odors and improves cabin comfort.
- Five-layer media balances particle capture with maintained airflow for HVAC performance.
- Designed for easy, tool-free installation in most vehicles for quick DIY replacement.
- Multiple user reports of accurate fit and factory-quality sealing for compatible models.
- Aftermarket unit so fit and lifespan can vary with vehicle and operating conditions.
- Needs periodic replacement as it accumulates dust and loses effectiveness.
Verdict A convenient, easy-to-install activated carbon cabin filter that gives TSX owners fresher interior air without needing professional service.
3. Dacall Activated Carbon Cabin Air Filter 3-Pack
| Fitment note | Replaces CP134, CF10134 and listed Acura/Honda numbers |
|---|---|
| Pack quantity | 3 pieces |
| Filtration | Activated carbon plus microfiber and HEPA-style layers |
| Position | Front |
This Dacall cabin air filter kit uses a four-layer structure combining activated carbon, microfiber and HEPA-like media to capture dust and reduce odors inside the cabin. It is installed in the cabin filter housing and works passively with the vehicle HVAC system to trap airborne particles and volatile organic compounds before they reach passengers. For an Acura TSX the filter’s flexible construction and advertised replacement of CP134/CF10134 mean it fits the factory filter location and slides into the housing like a factory-quality replacement. The carbon layer helps reduce light odors and the fine media targets pollen and road dust, which improves in-cabin air quality and can lighten the load on the blower compared with a heavily clogged filter. Limits to expect are typical for aftermarket carbon filters: odor reduction is moderate rather than complete, and performance depends on correct fit and periodic replacement according to driving conditions. Installation is straightforward but check orientation and seating to avoid gaps.
Best for: Performance-oriented buyers focused on in-cabin air quality who want a higher-filtration aftermarket replacement that supports cleaner airflow and reduced odors during daily driving and spirited use.
Less Ideal for: Buyers who need medical-grade filtration for severe allergies or who prioritize complete odor removal should consider specialty or factory-replacement filters tailored to those needs.
- Multi-layer filtration combining activated carbon and fine media for odor reduction and particle capture
- Sold as a 3-pack so you have multiple replacements on hand
- Flexible construction that fits and slides into the factory cabin filter housing
- Claims to isolate a high percentage of dust and pollen, improving in-cabin air quality
- Carbon layer reduces but does not eliminate strong odors
- Effectiveness depends on correct fit and regular replacement
- Manufacturer performance claims are not independently measured in the listing
Verdict A higher-filtration, flexible aftermarket cabin filter pack that improves in-cabin air quality for performance-minded TSX owners but offers only moderate odor elimination.
4. ECOGARD XA6061 Engine Air Filter for 2009–2014 Acura TSX
| Compatible vehicle | Acura TSX 2.4L 2009-2014 |
|---|---|
| Replaces | Honda 17220-RL5-A00 and common aftermarket equivalents |
| Manufacturer | Ecogard |
| Model | XA6061 |
The ECOGARD XA6061 is a direct-fit engine air filter made for the 2009–2014 Acura TSX with a 2.4L engine. It replaces common OEM part numbers so you can swap it in the factory airbox in minutes with minimal tools or clip removal. The filter restores clean, efficient airflow that helps maintain acceleration response and reduce engine wear from dirt and debris. Buyers get a no-frills, budget-focused option that matches factory fitment and is easy to install as a routine maintenance item every 12,000 miles or per the owner’s manual. The product does not claim upgraded filtration media or extended service life compared with premium performance filters, so expect standard replacement intervals rather than a long-life element. For routine maintenance and cost-conscious owners who want a dependable factory-quality replacement, this filter covers the basics well but is not intended for performance tuning or unusual operating conditions.
Best for: Budget-conscious Acura TSX owners who prioritize low-cost, reliable factory-style replacements for routine engine maintenance.
Less Ideal for: Drivers looking for high-flow performance filters, extended service intervals, or filters for other vehicle models should consider premium or model-specific alternatives.
- Vehicle-specific fit for 2009–2014 Acura TSX 2.4L for straightforward installation
- Matches common OEM part numbers for correct fitment in the factory airbox
- Simple install that typically requires only unclipping the airbox cover and swapping the element
- Affordable, budget-oriented option for routine maintenance
- No claim of extended-life or advanced filtration media compared with premium aftermarket filters
- Limited to the specified Acura TSX fitment and not suitable for other vehicles
Verdict A dependable, low-cost factory-fit replacement air filter for 2009–2014 Acura TSX owners who want straightforward, budget-friendly maintenance.
5. A-Premium Cabin Air Filter with Activated Carbon
| Activated Carbon Included | Yes |
|---|---|
| Location | Behind Glove Box |
| Washable | No |
| Reusable | No |
This A-Premium cabin air filter is a direct-replacement style filter that installs behind the glove box to trap dust, pollen, smoke and common odors using an activated carbon layer. It is intended for routine cabin air maintenance and is sold singly; installation is a simple, tool-free swap in vehicles with a glove-box-mounted filter housing. Notable features include a multi-layer media for higher filtration efficiency and a design that matches factory filter dimensions so it seats into the holder. In practice the filter noticeably reduces interior odors and improves perceived air quality when the HVAC system is running. Some users report the pleat edge requires careful tucking to sit fully under a plastic lip, so take a moment during installation to ensure a proper seal. This is not a washable or reusable part, so expect scheduled replacement rather than cleaning. For cost-conscious owners who prefer a dependable, factory-style swap, this delivers solid performance with minimal fuss.
Best for: Risk-averse mainstream buyers seeking a reliable, low-risk cabin air replacement that mimics factory fit and restores interior air quality without complicated installation.
Less Ideal for: Drivers who want reusable or high-performance particulate filters designed for extreme allergy control or aftermarket performance filtration should consider other options.
- Activated carbon layer helps reduce odors and trapped volatile compounds.
- Multi-layer filtration captures dust, pollen and common airborne pollutants.
- Fits into glove-box-mounted filter housing for straightforward, mostly tool-free replacement.
- Wide vehicle fitment within Honda and Acura lineups increases confidence in compatibility.
- Not washable or reusable so it must be replaced at recommended intervals.
- May require careful seating of the pleat under a plastic lip to achieve a proper fit.
Verdict A budget-friendly, factory-style cabin air filter with activated carbon that restores interior air quality with straightforward installation but requires regular replacement.
6. FRAM Extra Guard CA9564 Engine Air Filter
| Vehicle applications | 2004-2008 Acura TSX 2.4L; 2003-2007 Honda Accord 2.4L |
|---|---|
| Protection interval | Up to 12,000 miles |
| Manufacturer | FRAM |
| Model | CA9564 |
The FRAM Extra Guard CA9564 is a direct-fit replacement engine air filter for 2.4L Acura TSX and Honda Accord models that helps keep combustion air free of dust and debris for up to 12,000 miles. It installs in minutes as a simple DIY swap of the factory air element and uses FRAM's tested filter media intended to capture contaminants while maintaining airflow to avoid throttle lag. In everyday use it reduces the chance of clogged intake passages and declining fuel efficiency between service intervals and should help the engine run cleaner compared with a heavily soiled filter. The filter is vehicle-specific, so fitment and sealing are straightforward, but it is a basic paper-style element rather than a washable or high-performance reusable unit. If you prioritize easy maintenance, reliable contamination control, and low replacement cost, this matches those needs, though drivers looking for lifetime filters or maximum filtration efficiency beyond the manufacturer's stated testing may want to consider premium or performance-oriented alternatives.
Best for: Practical optimizers who want a low-cost, reliable replacement that restores factory-level airflow and protection with minimal fuss and maintenance.
Less Ideal for: Drivers seeking a washable reusable filter or the absolute highest filtration efficiency for performance applications should consider aftermarket premium options instead.
- Vehicle-specific fit for Acura TSX and Honda Accord 2.4L models ensures straightforward installation and proper sealing
- Rated to provide up to 12,000 miles of protection, reducing the frequency of replacements
- Engineered filter media tested to offer improved particulate capture compared with standard retail filters
- Simple DIY installation can be completed in minutes without special tools
- Conventional disposable element rather than reusable or high-performance media
- Not marketed as the highest-efficiency or premium performance filter available
Verdict A budget-friendly, vehicle-specific replacement that restores clean airflow for up to 12,000 miles and suits owners who prioritize practical, low-effort maintenance.
7. Bosch 6029C HEPA Cabin Air Filter
| Model | 6029C |
|---|---|
| Filtration efficiency | 99.97% at 0.3 microns |
| Compatibility note | Fits select Acura and Honda models including TSX (verify trim/year) |
The Bosch 6029C is a HEPA-style cabin air filter intended to replace the factory cabin filter in compatible vehicles such as the Acura TSX. It uses a dense melt-blown electrostatic layer plus an additional static cotton layer to capture very small particles and allergens, and Bosch states a 99.97% efficiency at 0.3 microns based on HEPA testing standards. In everyday use this filter installs in the glove-box/filter housing like a stock unit and noticeably reduces pollen, dust and many exterior odors while keeping cabin air feeling cleaner. Structural ribs help the filter keep its shape and prevent collapse across the pleats, which supports consistent airflow during a typical 12,000-mile service interval. Expect a modest reduction in maximum fan output compared with thin paper filters because of the denser media, so drivers in hot climates may need higher fan speeds to compensate. Fit and finish are close to factory-quality for Acura TSX fitment when the correct part is selected.
Best for: A balanced all-round buyer who wants a factory-quality replacement that prioritizes consistent in-cabin air cleanliness and allergy relief without specialty additives.
Less Ideal for: Drivers who prioritize maximum HVAC airflow or peak cooling performance in very hot climates may prefer a lower-density cabin filter instead.
- HEPA-rated filtration captures fine particulates and allergens down to 0.3 microns.
- Multi-layer media with electrostatic and cotton layers increases dust-holding capacity.
- Structural ribs maintain filter shape for reliable airflow over the service interval.
- Designed to match factory fit and installs the same way as the original cabin filter.
- Denser HEPA media can slightly reduce maximum fan velocity compared with thinner filters.
- May produce a brief new-filter odor on first use that some users vent before installation.
Verdict Choose this Bosch HEPA cabin filter for proven, near-HEPA particulate protection in the Acura TSX when cleaner cabin air is the priority.
Choosing the Right Acura TSX Air Filter: Key Factors to Consider
Filtration Efficiency
Filtration efficiency describes how well an air filter captures particles of different sizes while letting air pass through. Higher efficiency reduces the amount of dust, pollen, and abrasive particles entering the intake, which helps protect internal engine components and preserve sensor operation.
When reviewing efficiency, look for data on micron retention and percent capture across a range of particle sizes. A balance is important because extremely restrictive media can protect well but may reduce available airflow. For daily driving and mild climates, a medium-efficiency element can offer good protection without noticeable performance loss. For dusty environments, prioritize higher efficiency even if it means more frequent service.
Fitment And Seal
Proper fitment ensures the filter seats correctly in the airbox and forms a tight seal so unfiltered air cannot bypass the media. A poor seal or incorrect dimensions can render even the best media ineffective because contaminants can enter through gaps.
Check that the element matches the Acura TSX’s intake housing dimensions and mounting features. Consider how the filter compresses against the housing and whether it requires additional gaskets or adapters. Fitment also affects installation time and the likelihood of leaks after service, so favor designs that align precisely with the vehicle’s factory specs.
Airflow And Restriction
Airflow characteristics determine how easily the engine can draw air through the filter. Excessive restriction can reduce throttle response and may affect fuel delivery, while overly permissive media could let more contaminants through.
Look for data on pressure drop at realistic airflow rates or manufacturer guidance on expected restriction. Consider your driving style: spirited driving benefits from lower restriction, while urban commute prioritizes filtration. The ideal filter maintains low-to-moderate restriction while still meeting required filtration levels for the Acura TSX.
Material Durability And Maintenance
The filter media and frame material affect how long the element lasts and how it handles routine service. Durable media resists collapse, moisture, and degradation from heat under the hood, which reduces the chance of unexpected failures.
Consider whether the element is disposable or serviceable, how easy it is to inspect, and whether replacement intervals are supported by clear guidance. Materials that resist oil contamination and maintain shape under compression are beneficial, particularly if you plan extended intervals between changes.
Service Interval And Replacement Ease
Service interval influences ongoing cost and convenience. Some filters advertise longer life spans between changes, but longer intervals only help if the filter actually maintains filtration and airflow over time.
Evaluate how often the manufacturer recommends replacement and whether the replacement procedure is straightforward. For many owners, an element that is simple to remove and reinstall reduces the chance of installation error. Also consider access to replacement elements of the same specification to avoid fitment mismatches at service time.
Compatibility With Engine And Cabin Needs
While focusing on the engine intake, it is useful to understand how the engine air filter interacts with other airflow systems in the vehicle. Correct engine filtration helps sensor accuracy and combustion, while cabin filtration affects passenger comfort and air quality.
Ensure the chosen engine element is specified for the Acura TSX engine variant you have, and coordinate service timing with cabin filter changes if both are due. Awareness of the distinction between cabin and engine filters prevents incorrect substitutions and helps maintain both engine health and interior air quality.
FAQ
How often should I change the air filter in my Acura TSX?
Frequency depends on driving conditions, but many owners change the engine air filter every 12,000 to 30,000 miles. In dusty or heavy-traffic environments you may need to replace it more often. Inspect the filter visually during routine service and follow the vehicle manufacturer’s guidance if available.
Can I use a washable or reusable air filter in the Acura TSX?
Washable filters are an option, but they require correct cleaning and re-oiling procedures to maintain filtration performance and avoid intake contamination. If you choose a reusable element, follow the maintenance instructions closely and verify the filter maintains proper fit and seal after servicing.
Does a higher-flow air filter hurt fuel economy in the Acura TSX?
A properly specified higher-flow filter does not normally harm fuel economy and can reduce restriction, but changes are usually small. If a filter sacrifices filtration efficiency for airflow, any long-term engine impact could negate short-term gains. Balance between airflow and filtration is the key factor.
Are OEM filters better than aftermarket options for the Acura TSX?
OEM filters are designed to meet factory fit and filtration targets, while some aftermarket options offer different tradeoffs in efficiency, airflow, or longevity. Evaluate aftermarket products based on documented filtration performance and confirmed fitment for the Acura TSX rather than assuming one type is always superior.
How can I tell if the air filter is causing engine problems?
Symptoms such as reduced throttle response, uneven idling, or a noticeable drop in performance under load can indicate restricted airflow. Visual inspection that shows heavy contamination or a collapsed element also signals replacement. If symptoms persist after changing the filter, further diagnosis of sensors and the intake system is advisable.
How We Chose the Best Acura TSX Air Filter
We focused on options designed to fit the Acura TSX and selected products that demonstrate reliable filtration performance and accurate fitment for that model. Key evaluation criteria included filtration efficiency measured against common particle sizes, dimensional accuracy to ensure a proper seal in the intake housing, and airflow characteristics to avoid undue restriction. We also considered material durability and serviceability, such as how easy the element is to inspect and replace, plus manufacturer guidance on service intervals. Longevity under typical driving conditions and compatibility with routine maintenance procedures were additional filters. We excluded products that lacked clear fitment specifications for the Acura TSX or that did not provide technical filtration data. The result is a list focused on real-world durability, correct fit, and measurable filtration and airflow attributes for this vehicle.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize a filter that balances effective particle capture with minimal airflow restriction and that fits the Acura TSX intake precisely. Tradeoffs are common: higher filtration can mean more restriction and potentially more frequent service, while lower restriction can reduce protection.Focus on verified fitment, documented filtration data, and realistic service intervals when deciding. Coordinating engine filter service with routine inspections helps maintain engine health and consistent performance over time.
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