One of the most frequent phone calls I get here are relating to the bypass oil filter kits. So on our website I have made separate pages addressing each one of these.

I’ve sold 100’s of these mostly for one of the three makes of popular light duty diesel trucks, Dodge, Chevy and Fords. But I also sold them to cars seeming to not have an ounce of space such as a “new” VW Beetle, several compacts, dozens of vintage cars, SUVs and the 2nd most common buyer – the heavy-duty market such as over the road trucks, off road equipment, farm equipment and stationary diesel generators.

Listen to our quick overview of the Bypass filtration kits.

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Here are some reasons to use the partial flow (Bypass) oil filter kits:

  • Extend Oil Drain Intervals
    • You save money because you are changing your oil less often! You also help reduce America’s dependence on foreign oil. With Amsoil Synthetic Oils you use even less. A typical engine with less than 100,000 miles using our Bypass and AMSOIL engine oils should expect at least their oil to last 2-years or up to 50,000 miles which ever comes first when using oil analysis.
    • Excellent for that remote stationary engine or that vehicle you will have to rely on when service time is not an option.
  • Improved oil cooling
    • Your engine will run slightly cooler, which helps to reduce wear on your transportation investment.
  • Increased filtration capacity and life
    • Your oil is filtered more effectively and efficiently, thus removing more wear particles and reducing the contaminants that cause damage to your engine. Engine life is extended when oil remains analytically clean.
  • Increased fluid system capacity
    • Your engine has more oil available to lubricate, cool and protect your engine, once again extending the life of your engine. More oil reduces TBN reduction and can battle acids from soot and deposits better in older cars and diesels.
  • Small particle and soot removal efficiency
    • Removes more small particles and soot contaminants that can cause engine wear and premature damage to your engine. Filters particles less than 1 micron in size and 100% down to 2. You will get more use out of the investment. More on soot below.
  • Decrease disposal costs
    • Reducing the potential harm to our environment and further reducing dependence on foreign oil.
  • Engine efficiency increased
    • This can help you receive better mileage; which of course saves you money!
  • Rejuvenate an unknown engine.
    • Safely clean-up deposits from an abused or improperly maintained engine in used cars. AMSOIL motor oils are great at standing up to the influences of deposits (acids, oxidation, nitration). A bypass system removes those contaminants from the system so even your average motor oils will have a chance to do their basic function.
      Great for vintage vehicles as well.

Principle of the single bypass oil filter kits

Greater filtration with AMSOIL Bypass kits

Principle of the dual remote bypass filter kits

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Integrity & Warranty
AMSOIL designs our kits to ensure engine oil flow and pressure is sufficient to the engine all the time. AMSOIL’s parts and kits have been tested along with the representatives of the manufacturers  and have millions of error free miles. AMSOIL stands behind every kit sold and your warranty is secure. There are several inferior copy-cat kits sold on the internet using metals which crack from vibration or leak from warpage or poor machine work so please keep that in mind.

SOOT REMOVAL:
AMSOIL Ea By-Pass Filters remove 39 percent of soot contaminants less than one micron. Soot removal efficiency can increase approximately 10 to 14 percent when Ea By-Pass Filters are used in conjunction with a standard full-flow filter, even higher in conjunction with Ea Filters or Donaldson Endurance filters.

The Dangers of Soot
The combustion process in diesel engines creates soot. After fuel is injected, combustion occurs, producing soot as a by-product. The combustion particulates then become trapped on the exposed oil film. The rings wipe the particulates into the oil and the fine particulates aggregate, increasing levels of soot in the oil. Oil with dispersant additives will generally keep soot in the range of 0.002 to 0.5 microns in suspension. As the amount of soot suspended in the oil increases, the performance of these additives decreases.

Soot - to wear ratio in diesel engines

Soot Causes Wear

As dispersants in the oil are consumed, soot particles grow to a size that causes problems. This creates a direct correlation between wear and soot concentration; the higher the concentration of soot, the higher the level of wear (see graph).

Today’s oil manufacturers are extending oil life by holding higher concentrations of contaminants, including soot, in suspension in the oil. They are also increasing fuel economy by reducing oil viscosity and oil film thickness, therefore reducing the critical contaminant size. This further necessitates the use of by-pass filtration, especially
in diesel engines.

If you are interested in the AMSOIL bypass filter units, here’s how to decide.
1. Read over the individual kits to see which one works best for you. This links to the bypass category page.
Essentially there are three types of kits. Single, dual and heavy-duty. Generally the single or dual are decide on by the available room available. They both have the same end result. The single you can still use our AMSOIL full flow on the block thus the same dual effect.
The dual requires an area of about 5″x9″x9″ Some people mount it on the frame, in the engine compartment, in front of the radiator, in a wheel well or any void along the firewall of the engine.
The single requires an area of about 6×6″x9″ requires you to locate and “T” from the oil pressure sending unit. Then the oil returns back to the motor via oil fill cap, pan or other low pressure area. Some blocks have a plug just above the oil pan’s surface. Adapters for various types of threads on the ‘T’ are available. Please call 800-579-0580 for help.

2. Review the install & servicing instructions which all are located within each page.
3. For pricing it’s best to call 800-579-0580 but AMSOIL only allows pricing to be displayed through the main online store but again, this is retail. You must call for best price.
To get the best price on the kits, call me OR enter the store and select the preferred customer option. Add that option to the cart then cost pricing will appear. Make note of part numbers.
It may be easier and faster to call me so you don’t miss a part.
4. Don’t be afraid to call late. We are a top dealer because we like to talk to our customers. We operate 8:30AM to 6PM M-F and Saturday 9AM to 5PM.
5. Most applications you have the choice for the single or dual units. I personally like the single as the full flow is the OEM design (our AMSOIL EAO-Oil filter) and they are generally easier to find a mounting location. The dual are of the highest quality and are best for installs where the stock filter is in a bad location for service. The dual does deliver 100% of the oil back to the oil galleys where the single is removing about 8% from the system to clean.

PricingThis link to the Bypass kits in the online store will show you retail on-line pricing but just by calling 800-579-0580 or joining as a preferred customer instantly saves you 22% or more.

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New Quality Parts – All the dual kits which use the adapter to remote the factory oil filter have been updated. The photo above shows that improved part in the center display. The bolt on adapter uses a hardened & polished aluminum ring meaning better machine work for better oil flow and longer life. No cracking or leaks.

Single Bypass Oil Filter KitBypass Kit for Over the Road Trucks and large capacity motors

AMSOIL Bypass Kits Made Easy

AMSOIL Bypass Kits Made Easy

Oil Analysis – This is just as important to the protection AND reducing the old and outdated ‘scheduled maintenance’ way of doing things we added a page to further help you understand what Oil Analysis is all about. (Bypass Kits come with a free Oil Analysis voucher)
Here in the store we have some excellent deals on our analysis kits so call!! Everybody gains from oil analysis – find out what’s going on in your engine now. Also for those skeptics, see how our oil can last and protect your engine without the bypass systems for up to 25,000 miles or one year!

Give me a call anytime here at 1-800-579-0580

Integrity & Warranty
AMSOIL designs our kits to ensure engine oil flow and pressure is sufficient to the engine all the time. AMSOIL’s parts and kits have been tested along with the representatives of the manufacturers  and have millions of error free miles. AMSOIL stands behind every kit sold and your warranty is secure. There are several inferior copy-cat kits sold on the internet using metals which crack from vibration or leak from warpage or poor machine work so please keep that in mind.

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