As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
Every motor vehicle relies on clean airflow to sustain mechanical efficiency and passenger comfort. When shopping for a purolator air filter automotive component, car owners must determine whether their immediate maintenance schedule requires an engine intake filter or a passenger cabin filter. Integrating these routine replacements into a regular weekend home maintenance routine saves time and ensures your vehicle operates reliably. Purolator manufactures replacement filters to direct-fit standards, providing options designed to protect critical engine internals from harsh road debris and keep interior ventilation channels clear.
The Purolator automotive catalog divides its airflow solutions between under-hood engine protection and interior air purification. The purolatorone engine air filter range utilizes multi-fiber, high-density media to capture abrasive road contaminants before they can enter the intake manifold. In contrast, the purolatorboss cabin air filter series features advanced pleated media infused with activated carbon to remove odors and pollen from incoming passenger air. Because each vehicle air assembly requires specific dimensions, determining which purolator filter fits my car involves matching the exact OEM part number to your automobile.
Purolator Automotive Air Filters Lineup at a Glance
| Model | Filter Type | Filtration Media | Application |
|---|---|---|---|
| Purolator A35642 PurolatorONE Advanced Engine Air | Engine Air Filter | Multi-fiber high-density media | Vehicle specific OEM A35642 |
| Purolator A24278 PurolatorONE Advanced Engine Air | Engine Air Filter | Specially treated paper media | Vehicle specific OEM A24278 |
| Purolator A36116 PurolatorONE Advanced Engine Air | Engine Air Filter | Specially treated paper media | Vehicle specific OEM A36116 |
| Purolator A35592 PurolatorONE Advanced Engine Air | Engine Air Filter | Multi-fiber high-density media | Vehicle specific OEM A35592 |
| Purolator PBC35667 PurolatorBOSS Automotive Cabin Air | Cabin Air Filter | Pleated paper and activated carbon | Select Toyota passenger compartments |
| Purolator A25446 PurolatorONE Advanced Engine Air | Engine Air Filter | Specially treated paper media | Vehicle specific OEM A25446 |
The Models in Detail
Purolator A35642 PurolatorONE Advanced Engine Air Improves acceleration and boosts overall engine efficiency
Check price on Amazon Our score: 9.2/10

Best for: Drivers needing OEM part A35642 replacement
Pros
- Traps 99% of contaminants
- Gaskets ensure tight seal
- Preserves factory warranty
Cons
- Listing lacks dimensions
- Requires part number check
The Purolator A35642 PurolatorONE Advanced Engine Air filter is engineered as a performance-grade replacement part designed to deliver high volumes of clean air directly to the combustion chamber. Purolator incorporates multi-fiber, high-density media capable of trapping 99% of harmful airborne contaminants, shielding sensitive internal engine components from premature wear. A rugged perimeter gasket provides a tight seal inside the air box, guaranteeing that unfiltered air cannot bypass the media edges during hard acceleration.
Fitting filter replacements into your seasonal car maintenance schedule helps preserve crisp throttle response and overall engine operating efficiency. Drivers who research filtration benchmarks against options like the mann air filter will note that Purolator focuses on dense pleat structures that protect internal cylinders without restricting volume. Installing this vehicle-specific unit maintains factory compliance and will not void new car warranty coverage.
This model is built specifically for vehicle owners whose intake boxes call for the purolator a35642 part number. If your vehicle utilizes an alternative air box footprint such as the purolator a24278, this filter yields to that corresponding part number.
Purolator A24278 PurolatorONE Advanced Engine Air Improves acceleration and boosts overall engine efficiency
Check price on Amazon Our score: 8.0/10

Best for: Commuters matching OEM number A24278
Pros
- Multi-fiber high-density media
- Protects engine from wear
- Specially treated paper
Cons
- Listing omits exact dimensions
The Purolator A24278 PurolatorONE Advanced Engine Air filter uses specially treated paper media designed to maximize airflow to the engine ignition point while retaining harmful road grit. Engineered with multi-fiber, high-density media, it traps 99% of abrasive particles to protect cylinders and maintain reliable compression. Resilient perimeter gaskets compress firmly within the intake chamber housing to prevent untamed air from bypassing the filtering media.
Carrying OEM part number A24278, this component is designed for straightforward drop-in installation during routine garage maintenance sessions. Purolator has manufactured filtration products since 1923, and this model continues that focus by sustaining acceleration and engine efficiency without voiding new car warranty protections. The product listing reports an item weight of 0.27 grams, packaging single-filter convenience for direct home replacement.
The unit suits vehicle owners whose manufacturer maintenance guides specify part number A24278. For larger intake boxes that require heavier media configurations, drivers should look to alternative models such as the purolator a36116.
Purolator A36116 PurolatorONE Advanced Engine Air Improves acceleration and boosts overall engine efficiency
Check price on Amazon Our score: 8.8/10

Best for: Owners requiring OEM part A36116
Pros
- Traps 99% of contaminants
- Substantial 12-ounce build
- Tight sealing gaskets
Cons
- Vehicle-specific fit only
Constructed for vehicle platforms requiring substantial air intake capacity, the Purolator A36116 PurolatorONE Advanced Engine Air filter weighs 12 ounces and provides reliable engine protection. The multi-fiber, high-density filtering media stops 99% of harmful contaminants from entering the engine. Specially treated paper pleats ensure clean air flows freely to the ignition chamber, helping reduce friction-induced engine wear during daily commuting.
A perimeter gasket surrounds the media to create a firm seal within the air intake chamber, eliminating air leaks that could disrupt mass airflow readings. Regular garage filter changes can be completed in minutes using basic household hand tools, ensuring clean breathing without voiding manufacturer warranties. Consistently replacing dirty intake filters prevents sluggish engine response caused by restricted airflow pleats.
This model is the ideal choice for motorists whose vehicle engine compartment requires OEM specification A36116. Vehicles operating on platforms calling for distinct interval ratings should consider the A35592 instead.
Purolator A35592 PurolatorONE Advanced Engine Air Multi-fiber, high-density media traps up to 99% of dirt, dust and soot
Check price on Amazon Our score: 8.8/10

Best for: Drivers wanting a 12,000-mile replacement
Pros
- Traps up to 99% soot
- Supports up to 11% acceleration
- Includes manufacturer warranty
Cons
- OEM A35592 specific only
The Purolator A35592 PurolatorONE Advanced Engine Air filter replacement is rated to protect engine internals for up to 12 months or 12,000 miles of driving. Its multi-fiber, high-density media traps up to 99% of dirt, dust, and soot, preventing internal friction and premature wear. According to a U.S. Department of Energy study cited in the listing, installing a fresh air filter can improve vehicle acceleration by up to 11%.
Weighing 4.96 ounces, this unit incorporates precision-molded gaskets that seal tight within the intake housing to block bypass contamination. Swapping this filter as part of your annual home vehicle maintenance routine sustains optimal fuel efficiency and power output. The filter includes a manufacturer-provided warranty to give owners added peace of mind over its full operational lifespan.
Drivers requiring OEM part number A35592 will find this model tailored to their engine specifications. However, when car maintenance focuses on passenger cabin air quality rather than engine performance, this part gives way to the Purolator PBC35667.
Purolator PBC35667 PurolatorBOSS Automotive Cabin Air Filters tiny particulates, odors, and harmful gases, so you can enjoy clean
Check price on Amazon Our score: 8.6/10
Best for: Toyota owners seeking odor reduction
Pros
- Activated carbon layer
- Fast 15-minute installation
- Inhibits mold growth on media
Cons
- Cabin use only
- Limited to select Toyota models
The Purolator PBC35667 PurolatorBOSS Automotive Cabin Air filter shifts filtration duties to the interior passenger compartment. Measuring 8.46 inches long, 7.48 inches wide, and 1.14 inches thick, this rectangular slide-in filter combines pleated paper media with activated carbon. Electrostatically-charged micro fibers trap microscopic dust particles, fumes, and inert allergens, while the activated carbon layer adsorbs unpleasant exhaust odors and inhibits the growth of odor-causing bacteria and mold on the filter media.
Routine cabin filter maintenance protects the vehicle air conditioning system by limiting internal dust build-up on the evaporator core, prolonging HVAC lifespan. Just as a household or workspace benefits from clean air solutions like an air doctor carbon filter, maintaining fresh car cabin filtration ensures a clean interior climate during daily commutes. Purolator notes that home installation can be completed in less than 15 minutes, recommending annual inspections.
This cabin filter fits Toyota passenger cars and SUVs, including the 2006 to 2018 RAV4, 2007 to 2017 Camry, and 2009 to 2019 Corolla. It yields to models like the Purolator A25446 when you need an under-hood engine intake filter instead.
Purolator A25446 PurolatorONE Advanced Engine Air Improves acceleration and boosts overall engine efficiency
Check price on Amazon Our score: 9.0/10
Best for: Vehicles matching OEM part A25446
Pros
- Performance-grade intake media
- Traps 99% of contaminants
- Gaskets prevent bypass
Cons
- Listing omits dimensions
- Intake housing only
The Purolator A25446 PurolatorONE Advanced Engine Air filter delivers performance-grade engine filtration designed to maximize clean air delivery to vehicle combustion chambers. Built with multi-fiber, high-density media, it traps 99% of harmful contaminants to minimize engine wear and protect delicate internal metal surfaces. Perimeter gaskets create an airtight barrier within the air intake chamber, ensuring that no dirty air circumvents the media.
The specially treated paper media balances unrestricted airflow with rigorous contaminant capture, which boosts overall engine efficiency and supports smooth acceleration. Much like installing a puroma cabin air filter refreshes interior living spaces, regular engine filter replacements ensure your vehicle handles daily driving without mechanical strain. Installing this vehicle-specific part does not void new car warranty coverage.
This filter suits drivers whose vehicle air boxes require the OEM A25446 part footprint. For motorists seeking interior HVAC filtration rather than engine intake protection, this unit gives way to the cabin-focused PurolatorBOSS series.
Matching a Model to Your Setup
- Motorists servicing an engine intake requiring OEM part number A35642 should choose the Purolator A35642 PurolatorONE Advanced Engine Air to ensure factory-spec airflow without voiding warranty coverage.
- Daily drivers with an engine air box engineered for OEM A24278 should install the Purolator A24278 PurolatorONE Advanced Engine Air for high-density grit capture and tight perimeter sealing.
- Owners operating light trucks or passenger sedans that specify OEM part number A36116 will find the Purolator A36116 PurolatorONE Advanced Engine Air provides the 12-ounce high-capacity pleats needed for heavy dust defense.
- Car owners planning an annual intake service based on a 12,000-mile baseline should fit the Purolator A35592 PurolatorONE Advanced Engine Air to support up to 11 percent acceleration improvements.
- Drivers of compatible Toyota models like the Camry, Corolla, or RAV4 seeking relief from traffic fumes and mold should select the Purolator PBC35667 PurolatorBOSS Automotive Cabin Air.
- Vehicle owners whose factory air box is matched to OEM part number A25446 should rely on the Purolator A25446 PurolatorONE Advanced Engine Air for performance-grade intake protection.
Before You Buy
Before purchasing any replacement filter, double-check your vehicle owner manual or existing filter markings because Purolator engine filter listings do not include universal vehicle compatibility lists or exact exterior dimensions for most models. Unlike cabin filters that specify supported car lines, engine filters are identified by OEM equivalent part numbers. Car owners must verify their engine code and air box part number directly to prevent fitment issues during home garage installation.
Additionally, the product listings do not include replacement housing clips, mounting hardware, or specialized tools that may be needed to open your specific vehicle air box. While the PurolatorBOSS cabin unit specifies a slide-in mounting type and an installation time of under 15 minutes, engine filter housings vary widely by automaker and may require screwdrivers or socket sets. Furthermore, while the A35592 listing specifies a 12-month or 12,000-mile interval, the other engine filter listings do not specify mileage lifespans, requiring owners to follow vehicle service intervals.
FAQ
What is the difference in a purolator engine vs cabin filter?
A Purolator engine air filter cleans ambient air entering the engine cylinders to optimize combustion efficiency and prevent internal friction. In contrast, a Purolator cabin air filter cleans air entering the vehicle heating and air conditioning system, removing pollen, dust, and odors from the passenger compartment.
How do I know which purolator filter fits my car?
To determine which Purolator filter fits your car, check the part number stamped on your current filter or consult your vehicle owner manual. Engine filters correspond directly to OEM numbers such as A35642 or A24278, while cabin filters like the PBC35667 list compatible models like Toyota Camry, Corolla, and RAV4.
What media is used in a purolatorone engine air filter?
A PurolatorONE engine air filter uses multi-fiber, high-density media constructed with specially treated paper. This design traps 99% of dirt, soot, and abrasive contaminants while promoting high air volumes for efficient engine operation.
How does a purolator air filter comparison evaluate performance?
In a purolator air filter comparison, engine filters are evaluated on contaminant trapping efficiency, perimeter gasket sealing, and airflow support for acceleration. Cabin filters are evaluated on passenger climate control, microscopic allergen capture, and activated carbon odor elimination.
Does installing a Purolator air filter void a vehicle warranty?
The product listings state that installing a PurolatorONE engine air filter does not void new car warranty coverage, provided it matches your vehicle OEM part number specification and is installed correctly.