Purolator A24278 Air Filter Review
By: Editorial Team
Last updated: June 14, 2026
The Purolator A24278 Air Filter is a vehicle-specific replacement engine air filter designed to help keep harmful contaminants out of the engine. The source article lists its dimensions as 13.8L x 7.6W x 1.8H inches and describes it as using multi-fiber, high-density media that captures 99% of harmful contaminants.
Verdict
The Purolator A24278 is a practical choice if it fits your vehicle and you want a standard replacement air filter focused on clean airflow and engine protection. Check your vehicle fit before buying because this is not a universal filter.
Key Specs
| Specification | Detail |
|---|---|
| Brand | Purolator |
| Model | A24278 |
| ASIN | B01KMA5SD6 |
| Product Type | Engine air filter |
| Dimensions Listed | 13.8L x 7.6W x 1.8H inches |
| Filter Media | Multi-fiber, high-density media |
| Filtration Claim | Captures 99% of harmful contaminants according to the source article |
| Fit Type | Vehicle specific |
What Is This Product?
The Purolator A24278 is an engine air filter. Its job is to help clean the air before it reaches the engine. Cleaner intake air can help protect internal engine parts from dust, dirt, and other harmful particles.
This filter uses a rectangular, vehicle-specific design. That means buyers should confirm fitment for their exact vehicle before ordering.
Products Worth Considering
Provides high volumes of clean air for efficient operation and reduced engine wear
Provides high volumes of clean air for efficient operation and reduced engine wear
Multi-fiber, high-density media traps up to 99% of dirt, dust and soot
Who It Is For
The Purolator A24278 is for drivers who need a compatible replacement air filter and want a simple maintenance part from a known filter brand. It may suit owners who want to restore normal airflow after an old filter has become dirty or restricted.
Who Should Skip It
Skip this filter if your vehicle does not list the Purolator A24278 as a compatible part. Also skip it if you are looking for a reusable performance filter, a universal filter, or a custom intake filter.
Key Features
Products Worth Considering
Multi-fiber, high-density media traps up to 99% of dirt, dust and soot
ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
Bosch Workshop Engine Air Filters are constructed with a high number of pleats for robust particle holding capacity
Multi-Fiber High-Density Media
The source article describes the filter as using multi-fiber, high-density media. This media is listed as capturing 99% of harmful contaminants, helping reduce the amount of dirt that reaches the engine.
Tight-Sealing Gaskets
The article notes that the filter uses tight-sealing gaskets. A good seal matters because air should pass through the filter media instead of around the edges.
Vehicle-Specific Fit
The Purolator A24278 is listed as a vehicle-specific filter. This can make installation straightforward when the part matches your vehicle, but it also makes fitment checking important.
Real-World Use
In regular driving, an engine air filter is a basic maintenance part. A clean, correctly fitted air filter helps maintain airflow while keeping contaminants away from the engine. Replacing a dirty air filter may help restore normal acceleration and fuel efficiency, depending on the condition of the old filter and the vehicle.
Purolator recommends replacing air filters on a regular schedule. The source article gives a general range of every 12,000 to 15,000 miles, but the best interval depends on your vehicle manual and driving conditions.
Pros and Cons
Pros
- Vehicle-specific design can make installation easier when fitment is correct
- Multi-fiber, high-density media is listed as capturing 99% of harmful contaminants
- Tight-sealing gaskets help direct incoming air through the filter media
Cons
- Not a universal air filter, so vehicle compatibility must be checked before buying
- Review themes could not be independently verified from the provided HTML alone
- Some listed details, such as weight and warranty terms, need confirmation on the current product page
Is It Worth the Price?
The Purolator A24278 is worth considering if it fits your vehicle and you want a standard replacement air filter focused on clean airflow and engine protection. Value depends on fitment, current cost, and how it compares with other compatible filters for your vehicle.
Do not buy by model number alone. Confirm the filter against your vehicle year, make, model, engine, and the current Amazon fitment tool or owner manual.
Alternatives to Consider
Similar replacement engine air filters may be available from FRAM, WIX, and ACDelco. These alternatives can be useful for price and availability comparison, but the correct choice depends on your exact vehicle fitment.
Products Worth Considering
[Vehicle Fitment]: CA12051 Compatible with Honda Civic 2016-2026 2.0L, HR-V 2023-2025
Bosch Workshop Engine Air Filters are constructed with a high number of pleats for robust particle holding capacity
Vehicle Application: KAX Premium Engine Air Filter CA11480 Replacement forFord Fusion 2013-2020, Edge 2015-2024, GT 2017-2022; Lincoln MKZ 2013-2020, Nautilus 2019-2023, MKX 2016-2018, Continental 2017-2020
Frequently Asked Questions
How Often Should I Replace the Purolator A24278 Air Filter?
The source article gives a general replacement range of every 12,000 to 15,000 miles. Your vehicle manual should be the final guide. Dusty roads, heavy traffic, and harsh driving conditions may require earlier replacement.
Is the Purolator A24278 Compatible With All Vehicle Makes?
No. The Purolator A24278 is listed as vehicle specific. Check your exact vehicle year, make, model, and engine before ordering.
Can I Install the Purolator A24278 Air Filter Myself?
Many engine air filters are simple DIY replacement parts. If the A24278 fits your vehicle, installation usually involves opening the air box, removing the old filter, placing the new filter in the correct direction, and closing the air box securely. Follow your vehicle manual if you are unsure.
What Is the Warranty on the Purolator A24278 Air Filter?
The provided article mentions a 30-day return guarantee, but warranty and return terms can change by seller and platform. Check the current Amazon listing and Purolator support information before buying.
Where Can I Purchase the Purolator A24278 Air Filter?
The Purolator A24278 can be purchased through Amazon using the product link on this page. It may also be available through auto parts retailers, depending on your location and vehicle compatibility.
Final Verdict
The Purolator A24278 Air Filter is a straightforward replacement filter for compatible vehicles. Its key strengths are the listed multi-fiber media, tight-sealing design, and vehicle-specific fit. The main caution is fitment. Check compatibility before buying, and confirm any current warranty, return, and rating details on the live product page.










