Frequently Asked Questions About Donaldson Endurance™ Filters

Donaldson Endurance™ Filters Frequently Asked Questions

Q. Why is AMSOIL replacing its SDF-70, 72, 73, 74, 75, 77 and 80 diesel oil filters with Donaldson® Endurance™ brand filters?

A. Donaldson® is the premiere manufacturer of heavy-duty filters for on and off road diesel applications, and they are recognized industry wide for producing top-of-the-line diesel filtration technology.

Although AMSOIL SDF filters provide exceptional protection and performance in diesel applications, extensive research has determined that Donaldson® Endurance™ filters provide an extra edge of protection and performance. New, sophisticated diesel engines designed to meet today's stringent emission standards benefit from superior filtration, and the AMSOIL philosophy of delivering top-of-the-line products necessitated the partnership with Donaldson® to carry Endurance™ filters.

Q. Why are Donaldson® Endurance™ filters more expensive, and what makes them better?

A. Conventional oil filters utilize cellulose fibers in their media. Cellulose media have large openings that allow contaminants to load inside the filter and plug passage ways, and cellulose filters have higher restriction and lower capacity. AMSOIL SDF oil filters utilize "lofted fiber" media, which is a blend of synthetic and cellulose fibers. The addition of synthetic fibers allows AMSOIL SDF oil filters to offer improved performance over conventional filters.

The Donaldson® Endurance™ filter is constructed with full synthetic media that is exclusive to Donaldson®. Donaldson® synthetic media have a controlled size, shape and smaller fiber diameter that effectively capture contaminants on the surface. The exclusive Donaldson® synthetic media design results in a full flow filter that delivers extraordinary performance with greater efficiency, capacity and flow. Donaldson® Endurance™ filters are 98.7 percent efficient when faced with 15 micron contaminants, and they are 50 percent efficient when faced with seven micron contaminants. The smallest particle that can be seen with the naked eye is around 40 microns.

Q. Why is wire mesh used in Endurance™ oil filters?

A. Because synthetic media is soft compared to cellulose, the wire is necessary to add structural support.

Q. What are the benefits of Donaldson® Endurance™ filters?

A. Donaldson® Endurance™ filters are capable of extending oil filter service life. They offer greater capacity compared to conventional filters, allowing them to hold more contaminants before they require changing.

Donaldson® Endurance™ filters are more efficient than conventional filters. Because dirt is the number one cause of wear, it is critical to stop as much as possible to prevent wear and extend engine life.

Donaldson® Endurance™ filters offer greater flow. Greater flow reduces restriction, allowing oil to be easily pumped to vital components, while also aiding cold weather starting.

Q. Do Donaldson® Endurance™ filters last as long as AMSOIL SDF filters?

A. AMSOIL recommends using Donaldson® Endurance™ filters for the same change intervals as AMSOIL SDF filters. AMSOIL recommends new customers who have never used AMSOIL SDF filters follow vehicle manufacturer filter change intervals until a safe filter change interval can be established through experience and oil analysis.

Q. Can Donaldson® Endurance™ diesel oil filters stop soot?

A. Donaldson® Endurance™ diesel oil filters are full flow filters, and they surpass the full flow filtration requirements of both modern EGR equipped diesel engines and older diesel engines. However, as full flow style filters, they are not designed to remove soot. Soot particles are extremely small, and special filtration is required to effectively remove them.

Q. Where can Donaldson® Endurance™ filters be used?

A. Use Donaldson® Endurance™ filters in class 6, 7 and 8 vehicles.

Q. Are AMSOIL SDF-70, 72, 73, 74, 75, 77 and 80 oil filters still available?

A. These filters will remain available as supplies last.

Q. An AMSOIL SDF-80 oil filter is currently being used on a 5.9 Liter Cummins turbo diesel engine. Which Donaldson® Endurance™ filter should be used?

A. Donaldson® Endurance™ filter ELF 7349 replaces the AMSOIL SDF-80. Because it stops more dirt and allows greater oil flow, the ELF 7349 offers superior protection for the 5.9 Liter Cummins turbo diesel engine. The ELF 7349 may be used for the same service intervals as the SDF-80, and it delivers all of the performance advantages stated earlier.

The following charts demonstrate the superior performance benefits of Donaldson® Endurance™ oil filters in the areas of efficiency, capacity and flow restriction:

To facilitate timely and accurate service when ordering or contacting technical service concerning Endurance Filters, AMSOIL INC. recommends you provide the part number of your current filter.

Click Here To Purchase or See Prices of Donaldson Endurance Filters

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Since 1972, AMSOIL Synthetic motor oils have proven to be the BEST. AMSOIL also features the Ea Oil Filter that feature advanced full synthetic nanofiber technology, making them the highest efficiency filters that are available for the auto/light truck market. AMSOIL is the first in the industry to offer a full synthetic media in a cartridge style filter. The AMSOIL Ea Oil Filters have a 25,000 mile service life as well as specialized filtration systems for commercial and fleet applications in cars and light, medium and heavy trucks which can filter particles down to less than one micron (a standard full flow oil filter can only filter to 20-25 microns with any degree of efficiency) making oil changes virtually unnecessary and virtually eliminating engine wear. These filters have been proven by millions of miles of over-the road trucks, construction equipment and fleet service.

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