Tag Archive for: oil filter

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Oil Filter By-Pass Spring Setting For Harley-Davidson Engines?

AMSOIL Ea Motorcycle Oil Filters A reader asks: Regarding AMSOIL oil filters for Harley-Davidson engines. What is the by-pass spring setting on these filters?

Our answer: AMSOIL Tech Services tells us that the by-pass spring pressure setting on both the EAOM134 (black) and EAOM134C (chrome) is 11-17 PSI. This may seem like a wide margin, but that’s the only number they offer for publication.

Technical Services also mentioned that in Harley-Davidson engines, the filter would have to completely plug to send it into by-pass mode. With millions of miles logged by our customers, they have never ever heard of this happening.

Normal operation would never put these filters into by-pass.

The Milwaukee-8 and many Twin-Cam engines use the AMSOIL EAOM134 oil filter.

About AMSOIL Ea Motorcycle Oil Filters

The heart of these oil filters is the world-class synthetic media. It delivers elite small particle removal. In addition, heavy-duty parts were chosen to construct the rest of these units. All of this makes AMSOIL filters a great match for any V-Twin engine.

Other Motorcycle Oil Filter Shopping Considerations

Don’t get caught up with searching for the longest possible filter. See our article about Why Harley-Davidson Released A Longer Oil Filter For the Milwaukee-8 Engine.

Also, be careful when comparing oil filter efficiency numbers. These numbers are not always what they seem. Efficiency numbers can be measured on different scales. Therefore, the numbers offered by two different filter makers can be apples and oranges. See the article Do Harley-Davidson Oil Filters Really Filter Down To 5-Microns?.

To sum up, the by-pass spring setting on motorcycle oils filters is not a major concern when choosing a filter. The by-pass spring setting will be in the proper range if the filter is designed for your application. It is far more important to look for sturdy construction and a high-quality filter media.

To find the correct oil filter for your Harley engine, see our application guide.

Related: Our Harley-Davidson Article Compilation 

Questions? Contact us using the form on this page or call us at 1-800-748-5781.

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Is A Longer Oil Filter Needed For Harley Milwaukee-Eight Engines?

AMSOIL Ea Motorcycle Oil Filters A reader asks: Did you hear that Harley-Davidson has a new oil filter for Milwaukee-8 engines? Apparently, it’s 1/2” longer than the previous oil filter. Is AMSOIL going to spec a longer oil filter for the Milwaukee-8 engine? Or is it even necessary?

Our answer: AMSOIL is not changing their oil filter recommendations for the Milwaukee-Eight motor. They will continue to offer the EAOM134 (black finish) and EAOM134C (chrome). These are the same filters used for the previous generation of Twin-Cam engines.

Why Did Harley Release A Longer Oil Filter For The Milwaukee-Eight Motor?

Harley-Davidson did not make this change to cure an underlying problem with their previous oil filter. It seems to be simply an effort to optimize engine protection.

Harley only offers one reason in the service bulletin announcing this new oil filter. Quote: “The increased media supports the higher flow rate of MKE-8 engines”. This doesn’t imply that the new oil filter offers more flow. They are simply saying that there is a bit more filter media surface area to accommodate the increased volume of oil flow. The Harley-Davidson bulletin also states that using the previous, shorter oil filter will not void warranty.

A longer oil filter does NOT increase the flow rate. It only increases the capacity. The filter media determines the flow rate, not the oil filter size. For example, the entire line of AMSOIL motorcycle oil filters have the same flow rate, regardless of size.

Larger oil filters tend not to translate into any sort of advantage. Consider the size of an oil filter on the average V-6 car engine. Some aren’t much bigger than a motorcycle oil filter. Yet a capacity issue is all but unheard of.

The bottom line is that the quality of the filter media is the most important factor in oil filter performance.

Related: See All Of Our Harley-Davidson/Synthetic Oil Articles

AMSOIL Oil Filters Are Ideal For The Milwaukee-8 Engine

AMSOIL has determined that the size and capacity of the EAOM134 and EAOM134C is more than appropriate for the Milwaukee-Eight engine.

The vital advantages offered by the AMSOIL Ea synthetic filter media are the filtration efficiency rate and exceptionally long service life. They are made to stay in service as long as AMSOIL V-Twin Synthetic 20W-50. This is 20,000 miles or one year. Therefore, capacity and service interval duration are definitely not a shortcoming with the EAOM134 and EAOM134C units. They are constructed with top-shelf components and materials. These filters are definitely built to go the distance.

AMSOIL EAOM Oil Filters also deliver world-class particle removal. They remove 98.7% of contaminants at 20-microns or larger. See how this compares to Harley Davidson’s 5-micron oil filter claims.

Will The Milwaukee-Eight Engine Run Cooler With A Slightly Longer Oil Filter?

Not likely to any measurable degree. Using AMSOIL V-Twin Synthetic 20W-50 can lower V-Twin engine temps. Our customers observe this regularly.

In conclusion, AMSOIL Synthetic Oil Filters for the Milwaukee-Eight engine provide the proper flow rate and more than enough filtering capacity. The AMSOIL EAOM134 and EAOM134C oil filters are very much an upgrade for the M-8 engine. The AMSOIL synthetic filter media is among the most sophisticated on the market. It provides exceptional protection and long service life.

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Comparing Harley-Davidson And AMSOIL Motorcycle Oil Filter Micron Ratings

AMSOIL Ea Motorcycle Oil Filters A reader asks: I’ve been researching oil filters for my Harley-Davidson motorcycle. Harley-Davidson has oil filters that will stop particles down to 5 microns, while AMSOIL motorcycle filters only stop particles down to 20 microns. I thought that AMSOIL oil filters were supposed to be one of the better filters out there? Why are Harley filters so much better?

Our answer: The oil filter micron ratings provided by both AMSOIL and Harley-Davidson “Super Premium5” oil filters is like comparing apples to oranges. Each company is measuring their micron ratings on completely different scales. Therefore, the micron numbers are not at all comparable.

AMSOIL offers their motorcycle oil filter ratings on an “absolute” scale. Based on this measurement, their motorcycle oil filters are 98.7% efficient at stopping particles that are 20 microns in size or larger. This is a considered to be a very strong efficiency rating.

For reference, a decent automotive oil filter would stop 98.7% of particles 30 microns or larger.

Harley-Davidson provides their micron numbers on an “nominal” scale. Their nominal claim of “5-microns” with their “Super Premium5” oil filter is not telling the whole story. Filters makers claiming ultra-low nominal micron ratings aren’t mentioning the “efficiency”.

Let’s be clear. Harley-Davidson Oil Filters are definitely not removing 100% of particles down to 5-microns. This would make the oil filter so restrictive that it would go into by-pass mode every single time you rolled onto the throttle. Under most all riding conditions, that would be like having no oil filter.

Related: See All Of Our Harley-Davidson/Synthetic Oil Articles 

What is the Difference Between “Nominal” And “Absolute” Oil Filter Ratings?

Absolute filter ratings are determined under controlled testing. The absolute filter rating is shown as 98.7% of particles of a stated diameter being stopped by the oil filter. In the case of AMSOIL Motorcycle Oil Filters, they stop 98.7% of particles measuring 20 microns in size or larger.

Nominal ratings such as the 5-micron rating touted by Harley-Davidson has zero meaning without mentioning efficiency. Chances are high that the H-D filters are about 50% efficient at 5 microns. Where a Harley 5-micron oil filter would score in an absolute filter micron test is anyone’s guess.

What Is a Micron?

A micron is a unit of measurement that is 0.001 millimeters or 0.000039 inches. For example, bacteria are 2 to 3 microns in diameter and a red blood cell is 5 microns. The diameter of human hair averages 70 to 80 microns.

Bottom Line

To sum up, Harley oil filters might be well-built and near the top of the heap. But it’s very hard to tell. The nominal 5-micron rating touted by Harley-Davidson has no meaning without mentioning efficiency.

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New Synthetic Oil Filters For VW, Audi, BMW, Hyundai, Kia

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We now offer high-end oil filters for several Volkswagen, Audi, BMW, Hyundai and Kia models. If you are looking for a premium replacement for ordinary OEM paper cartridge oil filters, read on.

AMSOIL has just released new cartridge oil filters that are part of the exceptional Ea15K series. These oil filters have the exclusive AMSOIL Ea full synthetic media for outstanding small particle removal, high capacity and ultra-long service life.

Just how well are these Ea15K Cartridge Oil Filters made? In industry standardized testing, these synthetic oil filters remove almost 99% of contaminants at 20 microns. If that isn’t remarkable enough, they are also built to stay in service for up to 24,000 km (15,000 miles) or a full year!

Contact us for prices on these new oil filters using the form on this page or call us at 1-800-748-5781.

Here are the three new oil filters and the vehicles they cover.

Ea15K05 Oil Filter For VW and Audi

Audi A3

  • 2.0L 4-cyl BPY Turbo (2006-08)

Audi A4

  • 2.0L 4-cyl BPG Turbo (2005-06)
  • 2.0L 4-cyl BWT Turbo (2007-2009)

Audi A4 Quattro

  • 2.0L 4-cyl BPG Turbo (2005-06)
  • 2.0L 4-cyl BWT Turbo (2007-09)

Audi TT Quattro

  • 2.0L 4-cyl CDMA Turbo (2014-15)
  • 2.5L 5-cyl CEPB Turbo (2012-13)

VW Beetle

  • 2.5L 5-cyl (2014)
  • 2.5L 5-cyl BPR (2006-10)
  • 2.5L 5-cyl BPS (2006-10)
  • 2.5L 5-cyl CBTA (2012-13)
  • 2.5L 5-cyl CBUA (2012-13)

VW EOS

  • 2.0L 4-cyl BPY Turbo (2007-09)

VW Golf

  • 2.0L 4-cyl CRZA Turbo (2012-13)
  • 2.5L 5-cyl CBTA (2010-14)
  • 2.5L 5-cyl CBUA (2010-14)

VW GTI

  • 2.0L 4-cyl BPY Turbo (2006-08)

VW Jetta

  • 2.0L 4-cyl BPY Turbo (2007-08)
  • 2.0L 4-cyl CBFA Turbo (2008)
  • 2.0L 4-cyl CCTA Turbo (2008)
  • 2.0L 4-cyl Turbo (2006)
  • 2.5L 5-cyl BGP (2007)
  • 2.5L 5-cyl BGQ (2007)
  • 2.5L 5-cyl (2006)
  • 2.5L 5-cyl BGP (2005)
  • 2.5L 5-cyl BGQ (2005)
  • 2.5L 5-cyl CBTA (2008-14)
  • 2.5L 5-cyl CBUA (2008-14)

VW Passat

  • 2.0L 4-cyl BPY Turbo (2006-08)
  • 2.0L 4-cyl CCTA Turbo (2008)
  • 2.5L 5-cyl CBTA (2012-14)
  • 2.5L 5-cyl CBUA (2012-14)

VW Rabbit

  • 2.5L 5-cyl BGP (2006-07)
  • 2.5L 5-cyl BGQ (2006-07)
  • 2.5L 5-cyl CBTA (2008-09)
  • 2.5L 5-cyl CBUA (2008-09)

Ea15K07 Oil Filter For Hyundai and Kia

Hyundai Azera

  • 3.3L V-6 (D) (2007-09)
  • 3.8L V-6 (F) (2006-09)

Hyundai Genesis

  • 3.8L V-6 (2013)
  • 3.8L V-6 (D) (2013-14)
  • 3.8L V-6 (E) (2009-11)
  • 3.8L V-6 (H) (2010-11)
  • 3.8L V-6 (J) (2013-14)

Hyundai Sonata

  • V6-3.3L V-6 (F) (2006-10)

Hyundai Entourage

  • 3.8L V-6 (3) (2007-08)
  • 3.8L V-6 (3) CAN (2008-10)

Hyundai Santa Fe

  • 3.3L V-6 (E) (2007-09)
  • 3.3L V-6 (E) CAN (2008)

Hyundai Veracruz

  • 3.8L V-6 (C) (2007-09)

Kia Amanti

  • 3.8L V-6 (5) (2007-09)

Kia Sedona

  • 3.8L V-6 (2006)
  • 3.8L V-6 (3) (2007-09)
  • 3.8L V-6 (3) CAN (2008)

Kia Sorento

  • 3.3L V-6 (2008)
  • 3.8L V-6 (2008)
  • 3.8L V-6 DOHC (2007)

Ea15K08 Oil Filter For BMW

BMW 300 Series

  • 2.2L V-6 M54 CAN (2001-04)
  • 2.5L V-6 M52 (1998-2000)
  • 2.5L V-6 M54 (2001-06)
  • 2.5L V-6 M56 (2003-06)
  • 2.5L V-6 N52 CAN (2006)
  • 2.8L V-6 M52 (1996-2000)
  • 3.0L V-6 (2001)
  • 3.0L V-6 M54 (2002-06)
  • 3.0L V-6 N52 (2006)

BMW 500 Series

  • 2.5L V-6 M54 (2001-05)
  • 2.8L V-6 M52 (1997-98)
  • 2.8L V-6 M52TU (1999-2000)
  • 3.0L V-6 M54 (2001-05)
  • 3.0L V-6 N52 (2006)

BMW Z Series

  • 2.5L V-6 M52 (1999-2000)
  • 2.5L V-6 M54 (2001-05)
  • 2.8L V-6 M52 (1997-98)
  • 2.8L V-6 M52TU (1999-2000)
  • 3.0L V-6 M54 (2001-05)

BMW X3

  • 2.5L V-6 M54 (2004-05)
  • 2.5L V-6 M54 CAN (2006)
  • 3.0L V-6 M54 (2004-06)
  • 3.0L V-6 M54 CAN (2006)

BMW X5

  • 3.0L V-6 M54 (2001-06)
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