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 disclaimer here.
When you drive a Jeep Gladiator you want an air filter that preserves engine performance and blocks dirt without restricting airflow. Picking the right Gladiator air filter matters because the wrong fit or poor filtration can reduce efficiency, increase wear, and complicate maintenance. This guide highlights the top shortlisted options for the Jeep Gladiator and explains the practical tradeoffs we considered, including filtration efficiency and fitment reliability. Read on for a concise look at what matters when choosing your next air filter.
Looking for other parts? See all Jeep Gladiator parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | BDFHYK Engine Air Filter (replaces CA12373) |  |
| Most Popular A crowd favorite that many people choose with confidence | Premium Guard PureFlow Cabin Air Filter PC99454 |  |
| Best Quality Built to a higher standard if you want something more solid | K&N High-Flow Lifetime Engine Air Filter (33-5076) |  |
| Best Budget The cheapest option that still gets the job done reliably | AirTechnik CF12450 Activated Carbon Cabin Air Filter (fits 2018–2025 Jeep Wrangler, 2020–2025 Gladiator) |  |
| Most Sold A high-volume bestseller chosen again and again | K&N Advantage Plus Engine Air Filter (18,000 Mile) – KNA-5076 |  |
| Best Value for Money The sweet spot between price and what you get | HIGHFLOW Pre-Oiled Disposable Engine Air Filter PA99455X (Premium Guard) |  |
| Best Overall The best all-around choice for most situations | RVgolf Engine and Cabin Air Filter Kit for Jeep Gladiator (2018-2026) |  |
1. BDFHYK Engine Air Filter (replaces CA12373)
| Compatible vehicles | Jeep Gladiator 2020-2023 and listed Wrangler models |
|---|---|
| Replaces part numbers | CA12373, XA11675, PA99455 and others |
| Manufacturer | BDFHYK |
| Item model number | BD-05-10038 |
This BDFHYK engine air filter is a replacement element designed to fit Jeep Gladiator (2020–2023) and compatible Wrangler model years, providing basic particulate filtration for the intake system. It installs like a factory replacement and is typically used during routine service intervals to trap dust, pollen, and road debris before they reach the engine. The listing notes a microporous filter media and several cross-reference part numbers, which suggests it is built to match factory fit and function. Real-world benefits include straightforward installation, good fitment across compatible Jeep models, and value compared with dealer parts. Customers report the filter is thicker than some factory units, which can improve dust-holding capacity. Trade-offs are that the listing does not specify detailed filtration efficiency or specialized media beyond a general description, so it is best treated as a reliable, budget-friendly factory-style replacement rather than a high-performance or lifetime filter option.
Best for: Reliability-focused buyers who prioritize straightforward, factory-quality replacements to keep a Jeep Gladiator running cleanly with minimal fuss during regular maintenance.
Less Ideal for: Drivers seeking a washable, long-life performance filter or measurable high-flow upgrade should consider specialty aftermarket options instead.
- Direct-fit for Jeep Gladiator and listed Wrangler applications for simple swap-in replacement
- Microporous filter media designed to trap common contaminants and protect the engine
- Reported thicker construction and consistent fit that can increase dust capacity compared with some factory units
- Clear part-number cross-references make it easy to verify compatibility before purchase
- Manufacturer does not publish specific filtration efficiency or micron ratings
- Not marketed as a reusable or high-performance upgrade compared with aftermarket performance filters
Verdict A practical, value-minded factory-style replacement filter for Gladiator owners who want reliable fit and basic engine protection.
2. Premium Guard PureFlow Cabin Air Filter PC99454
| Compatible vehicles | 2018-2025 Jeep Wrangler, 2020-2025 Jeep Gladiator |
|---|---|
| Material Type | Particulate Media |
| Replaces | Mopar 68301863AA; Ecogard XC11724; Purolator C21423; Wix WP10371 |
The Premium Guard PureFlow cabin air filter is a direct-replacement cabin filter for select Jeep Wrangler and Gladiator models that aims to trap fine dust, pollen, and soot before they enter the passenger compartment. It installs the same way as the factory unit and is thin and flexible enough to slide into the glovebox-access filter slot without tools; instructions are included. The manufacturer advertises up to 99% particle capture and maximized airflow so HVAC performance should stay close to factory levels while improving cabin air quality. Customer feedback highlights a solid, factory-quality fit and noticeably cleaner air after replacement. Some users find the frame slightly stiffer than OEM which can make initial insertion a little snug in tight access openings. If you want a straightforward, convenience-focused replacement that simplifies routine maintenance and refreshes cabin air, this filter delivers practical performance at a lower cost than dealer parts, though it is still a disposable item and will need regular replacement to maintain filtration effectiveness.
Best for: Buyers who prioritize convenience and quick, low-effort maintenance for their Jeep Gladiator and want a ready-fit replacement that improves cabin air quality without fuss.
Less Ideal for: Drivers seeking a permanent or washable solution, or those who prefer specialty charcoal or heavily perfumed odor-removal filters, should consider other options.
- Designed to fit specified Jeep Wrangler and Gladiator model years for a plug-and-play replacement
- Advertised to capture up to 99% of airborne particles including dust and pollen
- Engineered for maximum airflow to avoid noticeable HVAC restriction
- Included installation instructions and a flexible media that eases insertion through tight openings
- Frame can be stiffer than factory filters which may make initial installation snug
- Disposable design requires periodic replacement to maintain filtration
Verdict A convenient, factory-fit replacement that improves cabin air quality for Jeep Gladiator owners who want an easy, no-fuss swap.
3. K&N High-Flow Lifetime Engine Air Filter (33-5076)
| Brand | K&N |
|---|---|
| Model | High-Flow Engine Air Filter |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer Part Number | 33-5076 |
This K&N High-Flow lifetime engine air filter replaces the factory disposable element with a multilayer cotton-gauze media that is pre-oiled and ready to drop into the Gladiator's factory air box. It is typically used as a direct fit replacement to improve throttle response and maintain airflow under everyday and spirited driving. Notable features include the four-layer filter media engineered to boost airflow, washable/reusable construction that eliminates routine filter purchases, and a vehicle-specific fit that installs in minutes. In practice the filter can produce a slightly sharper throttle feel and may help maintain peak engine breathing before and after modifications that increase intake demand. Maintenance is different from paper elements since it requires periodic cleaning and re-oiling rather than simple replacement, and the initial cost is higher than disposable filters. For a performance-minded Gladiator owner who wants long-term airflow gains and reduced consumable waste, this is a strong factory-replacement upgrade; those unwilling to follow the cleaning and re-oiling procedure should factor that into the decision.
Best for: Performance-oriented buyers who prioritize increased airflow and long-term value for their Jeep Gladiator and are willing to perform scheduled cleaning and re-oiling.
Less Ideal for: If you prefer completely maintenance-free, replace-and-forget parts or rarely perform basic upkeep, a disposable paper filter may be a better fit.
- Vehicle-specific fit for Jeep Gladiator makes installation quick and ensures proper sealing
- Washable, reusable media reduces recurring filter purchases and landfill waste
- Multilayer cotton-gauze media is designed to improve airflow and throttle responsiveness
- Pre-oiled and ready to install, saving initial setup time
- Requires periodic cleaning and re-oiling rather than simple swap-and-discard maintenance
- Higher upfront cost versus disposable paper filters
Verdict A durable, vehicle-specific high-flow replacement that gives Gladiator owners improved airflow and reusable longevity if you are willing to maintain it.
4. AirTechnik CF12450 Activated Carbon Cabin Air Filter (fits 2018–2025 Jeep Wrangler, 2020–2025 Gladiator)
| Fits vehicles | Jeep Wrangler 2018–2025; Gladiator 2020–2025 |
|---|---|
| Filtration stages | 3-stage (particulate + activated carbon + reinforcement) |
| Replaces | Chrysler 68301863AA / Fram CF12450 |
The AirTechnik CF12450 is a direct-fit cabin air filter that replaces the factory unit on 2018–2025 Jeep Wrangler and 2020–2025 Gladiator models to improve in-cabin air quality. It uses a three-stage construction with a particulate layer, activated carbon layer, and reinforcement layer to capture road dust, pollen and light odors. Installation is straightforward and intended for a quick DIY swap with the included instructions, making it an inexpensive maintenance item to change annually. Practical benefits include noticeably fresher air and filtration performance that reviewers say matches or exceeds factory replacements while costing less than dealer parts. Expect solid value for routine maintenance, though some reports note the filter is slightly stiffer than originals which can make sliding it into the housing a bit firmer. For owners prioritizing low cost and cleaner cabin air, this offers the essential performance without extra features like HEPA-rated filtration.
Best for: Budget-conscious owners focused on straightforward, low-cost maintenance who want a reliable cabin filter that improves air quality without premium features.
Less Ideal for: Drivers seeking medical-grade filtration, true HEPA performance, or specialized allergen protection should consider higher-end filters designed for fine particle removal.
- Activated carbon layer helps reduce odors in addition to trapping dust and pollen
- Three-stage filtration targets particulates and provides reinforcement for longer life
- Direct-fit replacement for specified Jeep Wrangler and Gladiator years for easy DIY installation
- Lower cost than dealer or specialty options while maintaining factory-quality fit
- Not marketed as HEPA or PM2.5 certified so the finest particles may not be captured
- Some users report the filter is stiffer than the original which can make installation slightly firmer
Verdict A cost-effective, direct-fit activated carbon cabin filter for Gladiator owners who want fresher cabin air and solid factory-quality value.
5. K&N Advantage Plus Engine Air Filter (18,000 Mile) – KNA-5076
| Model | KNA-5076 |
|---|---|
| Brand | K&N |
| Service interval | 18,000 Miles |
| Manufacturer | K&N Engineering, Inc. |
This K&N Advantage Plus air filter is a direct-fit replacement designed to drop into the Gladiator’s factory air box and deliver longer service intervals than standard disposable filters. It uses a premium synthetic/cellulose blend media that K&N says provides up to 99% engine protection while allowing good airflow, and the company rates it for 18,000 miles between changes under normal highway driving. Typical use is a simple swap of the factory filter during routine maintenance; installation is straightforward and requires only basic tools to access the air box. The practical benefit for Gladiator owners is fewer filter changes and lower long-term maintenance hassle while retaining factory-quality fit and protection. Limitations are that it is a disposable replacement (not a washable reusable unit) and real-world gains in fuel economy or throttle feel are modest and vary by vehicle and driving conditions.
Best for: A risk-averse mainstream buyer who values reliable, factory-fit replacement parts and lower maintenance frequency for their Jeep Gladiator.
Less Ideal for: Drivers seeking a washable reusable performance element or those focused on extracting measurable performance gains beyond stock should consider other options.
- Factory-quality fit for compatible Jeep Gladiator models, making installation quick and simple
- Longer service interval rated at 18,000 miles, reducing how often you replace the filter
- Premium filter media claimed to provide high engine protection while maintaining airflow
- Well-known brand with consistent manufacturing and broad user reports of reliable fit
- Not a washable reusable K&N performance element so it must be replaced at the end of service life
- Claims about mileage and filtration efficiency are manufacturer-stated and will vary with driving conditions
Verdict A dependable, longer-life factory-fit replacement for Gladiator owners who want reduced maintenance intervals without modifying the intake system.
6. HIGHFLOW Pre-Oiled Disposable Engine Air Filter PA99455X (Premium Guard)
| Brand | Premium Guard |
|---|---|
| OEM Part Number | 68257030AA |
| Automotive Fit Type | Vehicle Specific Fit |
| Item model number | PA99455X |
This HIGHFLOW pre-oiled disposable engine air filter is designed to replace the factory unit in compatible Jeep vehicles and improve breathing under load. It installs like a direct replacement in the airbox and requires no cleaning or re-oiling, so maintenance is a simple swap at service intervals. The filter media is marketed to allow up to 50% more air volume than standard paper filters during acceleration while offering higher dirt-blocking capacity for better engine protection. That combination can help with throttle response and maintain cleaner intake air over the filter's life. Practical buyers will appreciate the ready-to-install convenience and apparent fit quality for Jeep Wrangler and Gladiator applications. Limitations are that it is disposable rather than washable, so ongoing cost and waste are factors compared with reusable filters, and claimed airflow gains depend on vehicle and driving conditions rather than guaranteed horsepower increases.
Best for: Practical optimizers who want a low-effort, budget-conscious upgrade that improves intake airflow and keeps maintenance simple without chasing reusable filter upkeep.
Less Ideal for: Buyers who prioritize a long-term reusable filter or who seek guaranteed dyno-verified horsepower gains should consider other options.
- Pre-oiled, ready to install with no re-oiling or cleaning required
- Higher airflow media designed to improve air volume under load
- Advertised superior dirt-blocking capacity compared with basic paper filters
- Vehicle-specific fit for Jeep Wrangler and Jeep Gladiator applications
- Disposable design means recurring replacement costs and more waste compared with reusable filters
- Performance claims vary with vehicle setup and driving conditions and are not guaranteed
Verdict A convenient, vehicle-specific pre-oiled disposable filter that balances improved airflow and protection with the simplicity of plug-and-play replacement.
7. RVgolf Engine and Cabin Air Filter Kit for Jeep Gladiator (2018-2026)
| Brand | RVgolf |
|---|---|
| Applicable Models | Jeep Gladiator 2020-2026 (3.6L) |
| Manufacturer Part Number | RV00036 |
| Reference Numbers | 68257030AA, 68301863AA, C21423 |
This RVgolf kit supplies both the engine intake filter and the cabin air filter sized for Jeep Gladiator applications and is intended as a straightforward, do-it-yourself replacement. The engine filter uses a high-fiber, multi-layer construction that the listing says captures a high percentage of airborne particulates, while the cabin element targets pollen and dust to keep the passenger compartment air cleaner. The filters are described with a low-resistance design to preserve airflow and reduce intake noise, which helps maintain engine breathing and HVAC performance. Installation is simple and can be completed with basic tools, letting owners swap filters during routine service intervals. Buyers should note the listing emphasizes fit for specific Gladiator engines and model years, so confirming compatibility before purchase is important; also the listing does not include detailed material specs or lab test data, so buyers seeking certified filtration ratings may prefer branded OEM or lab-tested alternatives.
Best for: Balanced buyers who want a cost-effective, ready-to-install replacement that maintains factory-like filtration and airflow for regular Gladiator maintenance.
Less Ideal for: Those who require filters with specific certified efficiency ratings or who prefer coverage across many vehicle makes and models rather than Gladiator-specific fitment.
- Sold as a matched engine and cabin filter set for convenient simultaneous replacement.
- Multi-layer, high-fiber construction intended to capture fine particulates and cabin contaminants.
- Low-resistance design aims to preserve intake airflow and reduce operational noise.
- Easy, driver-serviceable installation that fits standard maintenance intervals.
- Listing does not provide certified filtration efficiency standards or independent lab results.
- Fitment requires confirming engine and year compatibility rather than universal coverage.
Verdict A practical, budget-friendly engine and cabin filter kit tailored for Jeep Gladiator owners who want an easy, factory-style replacement without specialty filtration certification.
Choosing the Right Jeep Gladiator Air Filter: Key Factors to Consider
Filtration Efficiency
Filtration efficiency describes how well a filter captures particles of various sizes, from dust and pollen to soot and grit. Higher efficiency reduces the amount of abrasive material entering the engine, which helps limit wear on cylinders, rings, and sensors.
Efficiency often involves tradeoffs because very dense media can impede airflow. For a Jeep Gladiator, choose a filter that balances fine-particle capture with adequate airflow for your typical driving conditions, whether that is highway cruising, off-road use, or towing.
Fitment And Seal
Proper fitment and a reliable seal are essential to prevent unfiltered air from bypassing the media. A filter that does not seat correctly in the intake housing can allow contaminants to reach the engine, negating the benefits of high-efficiency media.
Check that the filter matches the Gladiator's housing dimensions and offers a robust gasket or sealing lip. Consider how the filter sits under vibration and temperature changes to ensure lasting protection.
Media Material And Construction
Filter media can be made from paper, cotton, foam, or synthetic blends, and each material behaves differently in terms of airflow, durability, and cleaning options. Paper is common for disposable filters and often provides good particle capture. Cotton and synthetic media can offer reusability and higher airflow but may require careful cleaning and oiling if applicable.
Evaluate the construction quality of the pleats, the support frame, and how the media is bonded. Durable construction reduces the risk of tears or deformation that would impair filtration.
Maintenance And Service Interval
Maintenance needs affect long-term ownership convenience and operating costs. Disposable filters require periodic replacement, while reusable types need inspection, cleaning, and sometimes re-oiling at specified intervals. The maintenance frequency depends on driving conditions; dusty or off-road use typically shortens service life.
Choose an option with a maintenance pattern you can manage and that aligns with your intended use. Clear guidance on inspection intervals and simple service steps makes upkeep easier.
Impact On Performance And Fuel Economy
A filter that restricts airflow can reduce throttle response and may affect fuel economy, while one that optimizes airflow can help the engine breathe better. For towing or spirited driving, airflow becomes more critical; for daily commuting, balanced filtration with steady airflow is often preferable.
Consider how the filter's design affects intake resistance and whether it supports your performance or efficiency goals without sacrificing necessary particle protection.
Compatibility With Emissions And Sensors
Modern engines rely on sensors and emissions controls that can be sensitive to changes in intake characteristics. Using a filter that alters airflow behavior or sheds particles can influence sensor readings and the effectiveness of emissions systems.
Select a filter that maintains stable airflow and does not introduce contaminants that could foul sensors. Ensure the filter is designed to work with the engine management system and typical emissions hardware for the Gladiator.
FAQ
How often should I change the Jeep Gladiator air filter?
Frequency depends on driving conditions. Under normal highway and city driving, inspect the filter at regular service intervals and expect replacement roughly every 12,000 to 30,000 miles. In dusty or off-road conditions you will need to inspect and likely replace or service the filter more often.
Can I use a reusable air filter in my Gladiator?
Reusable filters are an option if you are comfortable performing periodic cleaning and any required reconditioning. They can offer good airflow when maintained, but they require a consistent maintenance routine and proper cleaning to avoid reduced filtration performance.
Does the air filter affect fuel economy?
Yes, to some degree. A severely clogged filter can restrict airflow and may reduce efficiency, while a filter that balances filtration and airflow can help the engine operate near its intended performance. The effect on fuel economy is usually modest unless the filter is heavily restricted.
What is the difference between cabin and engine air filters for the Gladiator?
The cabin filter cleans air entering the passenger compartment, while the engine air filter protects the engine intake. Each serves a different purpose and is located in separate housings, so maintenance schedules and filtering priorities differ between the two.
Should I choose OEM vs aftermarket air filter options?
OEM filters are designed to meet the original specifications for fit and performance, while aftermarket options can vary widely in materials and quality. Evaluate aftermarket filters on filtration efficiency, fitment accuracy, and construction rather than assuming one type is always better.
How do I verify the correct air filter size for my Gladiator?
Verify fitment by checking the vehicle's filter housing dimensions or the manufacturer's specified part number for your model year. Many filters list compatible vehicles or give exact size measurements to ensure proper seating in the intake housing.
How We Chose the Best Jeep Gladiator Air Filter
We prioritized products that meet the specific fit and installation needs of the Jeep Gladiator and that offer reliable protection for the engine in real-world driving. Key evaluation criteria included filtration efficiency to trap fine and coarse particles, exact fitment to the vehicle's intake housing, and construction durability under heat and vibration. We also assessed the ease of installation and necessary maintenance frequency, plus materials and sealing quality that affect long-term performance. Excluded from consideration were generic filters without verified Gladiator fitment, products that require extensive modification to install, and options lacking clear material or performance information. The final list focuses on filters that balance effective particle capture with secure fit and reasonable service intervals for typical driving conditions.
Our full evaluation process is outlined in our review methodology.
Conclusion
Pick a Jeep Gladiator air filter that balances reliable particle capture with proper fit and acceptable airflow for your driving style. Prioritize filtration efficiency and a secure seal to protect the engine, and choose a media and maintenance pattern you can sustain. Remember that tougher driving conditions demand more frequent inspection and maintenance. Use the factors above to weigh tradeoffs between convenience, protection, and performance when selecting the right filter for your Gladiator.
Explore More:
- Check out all Jeep Gladiator parts & accessories
- Explore Engine
- Browse all Auto Parts
