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MicroGard filters are engineered to meet or exceed the performance targets set by vehicle manufacturers and to help keep harmful contaminants out of the engine and the HVAC system. The MicroGard family includes MicroGard oil filters, engine air filters, fuel filters, cabin air filters, and PCV valves as well as MicroGard Select Oil and Engine Air filters for most late-model passenger cars and light trucks.
These filters help provide a long service life and dependable protection, which makes it straightforward to handle routine maintenance across the vehicle with one brand. A stable flow, consistent sealing, and a media that maintains its shape are all integral parts of the design, allowing engines to breathe and lubricate properly and helping cabin air stay clean between scheduled maintenance intervals.
MicroGard Select engine oil filters remove fine particles suspended in the motor oil under normal, daily driving conditions, so that bearings, cams, and other precision parts see cleaner lubrication during everyday driving. These filters are specified for vehicles using conventional or synthetic oil and are validated to 99% filtration efficiency when oil changes are performed at the recommended interval.
Attention to pleat geometry and media porosity helps balance pressure drop at cold start with dirt-holding capacity between services, while the end-cap design promotes consistent sealing during installation and removal.
MicroGard oil filters are designed to meet or exceed vehicle-manufacturer’s performance benchmarks and help shield the engine from abrasive debris when used with conventional or synthetic oils. Drivers who prefer a traditional service cadence appreciate a filter that installs cleanly, seals predictably, and supports reliable oil pressure in normal driving conditions.
A HEPA (High Efficiency Particulate Air) cabin filter from MicroGard is designed to trap microscopic material in outside air before it reaches the ventilation system. That includes fine dust, odors and gases, smoke, and other pollutants that affect comfort and air quality inside the vehicle. Installing a MicroGard HEPA filter can improve in-cabin air quality for occupants who are sensitive to smells or airborne allergens and can reduce the particulate load on the HVAC core.
MicroGard HEPA cabin air filter features:
MicroGard cabin air filters:
MicroGard Select engine air filters are the ultimate choice to protect the engine while supporting optimal airflow and smoother acceleration. The advanced media captures and retains dirt, dust, and debris to minimize wear on sensitive components. Frame and pleat geometry are chosen to balance airflow with filtration, optimizing fuel efficiency and improving acceleration while ensuring the engine receives steady supply of clean air at idle and under load.
With up to two times the dirt-holding capacity compared with standard filters, MicroGard Select promotes stable performance, reduces maintenance costs and a long service life. Each MicroGard Select air filter is backed by a one-year limited warranty.
MicroGard engine air filters follow OE-style performance specifications and help keep dust and other particles from entering the intake tract. The media area is sized to match the Original Equipment Supplier (OES).
Find MicroGard Filters at O’Reilly Auto Parts O’Reilly Auto Parts carries a wide selection of MicroGard replacement filters for cars, trucks, SUVs, and more, including engine oil and cabin air filters. Whether you are performing routine maintenance, replacing a dirty filter, or upgrading your vehicle’s filtration performance, explore our inventory to find the right fit for your vehicle.
MicroGard filters are designed to help protect your engine, support clean airflow, improve cabin air quality, and keep your vehicle running at its best between scheduled maintenance intervals. O’Reilly Auto Parts stores offer filters and accessories for import and domestic cars, light-, medium-, and heavy-duty trucks, off-road vehicles, buses, RVs, motorcycles, powersports, agricultural equipment, and more.