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Air Filtration

AMSOIL's partners WIX, MANN-FILTER and Donaldson high quality Air Filters

Filtration – Your First Defence against Wear

Automotive experts agree dirt is the number one cause of engine wear. In fact, analysis by Federal-Mogul Corporation reports that 43.4 percent of all engine bearing distress is caused by dirt.

Dirt particles are extremely abrasive. They consist of razor-like flakes of road dust and airborne grit drawn into the engine through the intake manifold. Filtration is the key to preventing costly engine repairs caused by dirt, removing contaminants by trapping and holding them outside the system of oil circulation.

An engine "breathes" air to mix with fuel for combustion - about 9,000 gallons of air for every gallon of gas. The air within one cubic mile over a typical city contains more than 400 tons of suspended dirt, and the concentration is much higher in rural areas where travel frequently is over unpaved roads.

The air filter is the first line of defense against abrasive airborne grit. It must effectively filter the dangerous particles without obstructing the vital flow of air that sustains the engine.

Synthetic Air Filters versus Conventional Air Filters

Conventional air filters quickly become obstructed with dirt, reducing vital engine air intake, leading to poor engine performance and low fuel efficiency. They require frequent replacement.

WIX Air Filters

WIX High Quality Air Filters

WIX is well-known around the world for its innovative filtration products for the automotive and light truck market. Founded in 1939, the Gastonia, N.C., company earned acclaim during World War II when it created an oil filter out of a paper tube, wooden plugs and yarn when steel was in short supply.

In 1954 WIX created the revolutionary spin-on oil filter that was eventually adopted as original equipment on most vehicles.

Today WIX manufactures some of the best oil, air, lube, cabin air, hydraulic, fuel, crank case breather and transmission filtration products on the market. The company is also widely known for its support of NASCAR.

WIX has been a part of racing and NASCAR for many years, both as a sponsor and in the race cars. The company’s long-standing relationship with NASCAR not only demonstrates that WIX filters are high-quality products, but it also shows WIX’s dedication to racing, making it a perfect match for AMSOIL.

WIX Panel Element Air Filters have a linear path through the filter for low airflow restriction, a specially formulated adhesive to form WIX’s exclusive pocket pleat for the filter media and a soft sealing urethane gasket molded in place on the filter element.

Radial air filters are constructed of mesh screen on the inside wall diameter for element strength and media protection from backfire. Each round filter is manufactured with heat-resistant plastisol with specially designed crush seals on the top and bottom walls and adhesive seal joining the media ends.

AMSOIL carries WIX racing filters in addition to filters for more common automotive and light truck applications. This includes not only standard air and oil filters, but fuel, transmission, cabin air and filters specially designed for racing.


MANN-FILTER Premium Air Filters
Additional Air Filters from MANN-FILTER

MANN-FILTER, with its U.S. headquarters in Portage, Mich., is the world’s largest filter company and a worldwide leader in auto, light truck, heavy duty, motorcycle and off-road filtration products.

MANN-FILTER specializes in European vehicles like Audi, BMW, Mercedes, Volkswagen, Porsche, Volvo and Jaguar. They also build select filters for Ford, GM and Chrysler.

Founded in 1941, MANN+HUMMEL develops and manufactures automotive components such as air filter systems, intake manifold systems, liquid systems and cabin air filters for the original equipment (OE) automotive industry and aftermarket filter elements for vehicle servicing and repair.

MANN-FILTER Air Filters are known for high quality and high delivery capability and a product range that covers more than 95 percent of European models and a select group of U.S. and Asian models in the North American market.

MANN-FILTER air filters feature optimum pleat geometry for maximum dirt holding capacity and high filtration efficiency for engine protection. They also correct air flow, enhancing engine protection. The high quality of the filters offers reliable service throughout the entire service interval.

Donaldson Air Filters

Donaldson Endurance Heavy Duty Air Filters

Donaldson Endurance Heavy Duty Air Filters with exclusive nanofiber technology offer longer engine life, longer filter life, initial efficiency up to 99.99 percent and five times more capacity. The nanofiber technology causes submicron contaminants to be held on the surface layer of smaller fibers.

This filtration characteristic is only possible with this new type of air filtration technology.

In on-highway applications, where the contaminant is primarily submicron in size, Donaldson Endurance filters cause less restriction than conventional filters with cellulose media. The smaller interfiber spaces of nanofiber technology have a higher efficiency and capture more contaminant.

The following illustration may help visualize these phenomena: Imagine two filters, a chain link fence and a mosquito net, with a tennis ball being a dirt particle. As you may have observed, a tennis ball will fit quite nicely into an opening of a chain link fence, but will obstruct the hole almost 100%.

Now imaging the same tennis ball covering a mosquito net. The tennis ball, at the point of contact with the netting, will obstruct much less filter area than the chain link fence example. In fact, air will flow around the tennis ball all the way to the point of contact. It will take many more particles to obstruct the netting surface area than the chain link fence.


Donaldson Endurance air filters are guaranteed to deliver twice the miles between change intervals over cellulose air filters for on-highway applications or customers receive a new filter at no charge.

Donaldson Endurance Heavy Duty Air Filters Capacity          Donaldson Endurance Heavy Duty Air Filters Efficiency

Donaldson P-Series Air Filters
Donaldson P-Series Air Filters offer premium filtration at a competitive price. P-Series air filter media is made up of specially formulated fibers designed to trap contaminants such as dust, dirt and soot before they reach the engine.

The media is pleated to maximize the filter surface area and placed between rigid liners to provide stability and support. A high quality filter seal is applied or built-in to the open end of the filter to prevent dirty air from bypassing the filter.

Donaldson has developed an extensive range of air filter media to provide the best engine protection no matter what the operating conditions. AMSOIL now stocks all of Donaldson's most popular filter applications.

Head to Head Comparison study of Air Filters
2012 Air Filter Test  –  GM Truck Central

AMSOIL's partners WIX, MANN-FILTER and Donaldson Air Filters
AMSOIL's partners WIX and MANN-FILTER Cabin Air Filters
AMSOIL's partner WIX Crankcase Breather Filters
Air Filter Look Up Guide
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