5w-40: AMSOIL 5w40 Synthetic Diesel Oil for EGRs (DEO)

BestSyntheticOil, Monday 02 July 2007 - 00:00:00

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About AMSOIL 5w40 Synthetic Diesel Oil

AMSOIL 5w40 Synthetic Diesel Motor Oil for EGR Engines
AMSOIL Synthetic 5W-40 Premium Diesel Oil (DEO) is the premium choice diesel oil for model year 2007 and newer heavy-duty and pickup truck diesel engines requiring API CJ-4 emission quality oil standards.

Package sizes include:
1-Quart Bottle
1-Quart Bottles (case of 12)
1-Gallon Bottle
1-Gallon Bottles (case of 4)
30-Gallon Drum
55-Gallon Drum

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Alternative Products]

Alternative Products:

Depending upon your application, where you are located geographically, and how you use/drive your vehicle, you may want to consider a different AMSOIL product for your application.

At the link below you'll find a listing of other available products that MAY also work for your application. However, if you are unsure as to whether the products listed at the below link are suitable for your application, you should either consult the Online Product Lookup Guide which will provide a listing of suitable products for your specific application, or you should Contact Us by phone or email.

Other Synthetic Diesel Engine Motor Oils

See the following FAQ for a "rule of thumb" lubricant selection method you can use to select the proper lube for your application: Selection FAQ.

Again, our product lookup guide can help if you are unsure of what AMSOIL products are suitable for your vehicle. From there you can then narrow down your options using our "rule of thumb" lubricant selection method or by contacting us directly.

If, however, you have already used the web-based application guide and have already read through the product information on this site, and you are still unsure of what products to use, you may Contact Us by email or phone, you may take a look at our Frequently Asked Questions or you may make use of our "Live Help" system.

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Additional Products to Consider]

Additional Products to Consider:

Other AMSOIL Synthetic Motor Oils, Diesel Oils, Lubes and Filters

As you can see from the image above, there are MANY premium vehicle protection products in the AMSOIL line. As you can imagine, we recommend that you investigate the link below which provides a listing of other AMSOIL products to further enhance the protection and performance of your vehicles and equipment.

If you're not sure which of the below products would be best for your situation/application, feel free to Contact Us by email or phone, utilize our product lookup guide or ask a question through our "live help" system by clicking on the blue "Website & Product Help" button in the navigational column to the right.

AMSOIL Products for Light & Medium Duty Diesel Products

AMSOIL Products for Medium & Heavy Duty Diesel Products

Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Full Product Description]

Product Description

AMSOIL Synthetic 5W-40 (DEO) is the premium choice for API CJ-4 emission quality diesel oil required by model year 2007 and newer diesel engines. It delivers extraordinary lubrication in diesel engines found in commercial, fleet and personal vehicles. Built with the latest additive and synthetic base oil technology, AMSOIL Synthetic 5W-40 Diesel Oil exceeds the higher performance demands of modern engines. It withstands the stress of heat, soot and acids to help prevent deposits, corrosion and wear. AMSOIL Synthetic 5W-40, with its broad viscosity range, is ideal for winter and summer use. It resists breakdown and can extend drain intervals when monitored by oil analysis.

AMSOIL, the leader in automotive synthetic lubrication, produced the world's first API qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

Exceeds Emission System Requirements

AMSOIL Synthetic 5W-40 Diesel Oil is a low sulfated ash formulation that exceeds the modern requirements for low emission quality diesel oil. It is compatible with all exhaust treatment devices and is designed to extend the service life of particulate filters.

Controls Soot Thickening and Wear

The advanced synthetic base oils in AMSOIL 5W-40 Diesel Oil are naturally resistant to soot contamination. That, along with a heavy fortification of detergent/dispersant additives, keeps soot particles suspended independently, helping prevent the formation of larger wear causing particles. Viscosity increase is minimized and soot related wear is controlled.

Maximizes Fuel Economy and Reduces Oil Consumption

AMSOIL Synthetic 5W-40 Premium Diesel Oil has a very low high temperature volatility rate (burn off). Because less oil vapor passes into the combustion chamber, oil consumption and emissions are reduced. Additionally, lower volatility helps AMSOIL Synthetic 5W-40 retain its viscosity after high temperature service for continued dependable protection and excellent fuel economy.

Excels in Extreme Temperatures

AMSOIL Synthetic 5W-40 Premium Diesel Oil resists thermal (heat) breakdown, oxidation and sludge formation better than conventional petroleum oils. And unlike conventional oils, AMSOIL 5W-40 contains no wax. It stays fluid in cold temperatures for improved oil flow, reduced bearing wear and easier starting

Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Applications for This Product]

Applications for AMSOIL 5w40 Diesel Oil


AMSOIL Synthetic 5W-40 Premium Diesel Oil replaces 5W-40, 10W-40 and 15W-40 viscosity oils. It is "backwards compatible" with pre-2007 diesel engines and recommended for newer and older diesel and gasoline engines and other applications requiring the following worldwide specifications:



Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Typical Technical Specifications]

AMSOIL 5w40 Diesel Typical Technical Specifications


AMSOIL 5w40 Synthetic Diesel Oil - Typical Technical Specifications (Data)LET'S DO THE MATH!!

The best way to know the quality of a synthetic lubricant or filter is to compare the technical data to other brand offerings. Unfortunately, many lubricants manufacturers provide little, if any, technical data for their oils. Of course, it's not hard to imagine why that is.

Our technical specifications prove that our products are superior to the competition, and we're not shy about making that information public.

The technical specification data for AMSOIL Synthetic 5w40 Oil is available as a PDF document. Please click on the link below to open or download the Adobe PDF document to your computer:

AMSOIL DEO 5w40 Synthetic Diesel Oil - Technical Data Sheet

Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Mixing with Other Lubes]

Mixing AMSOIL With Other Lubes

Mixing AMSOIL Synthetic Lubricants with Other brand oils shortens lube life and reduces performance benefits
AMSOIL motor oils are compatible with other conventional and synthetic motor oils, so there should be no concern over engine problems due to the mixing of our products with other brands. Mixing AMSOIL synthetic lubricants with other oils, however, will shorten the life expectancy of the lubes and WILL reduce the performance benefits.

AMSOIL does not support extended drain intervals where oils have been mixed, and the AMSOIL warranty is only valid if AMSOIL is being used as the exclusive lubricant and is not being routinely mixed with other brand oils.

Aftermarket oil additives are also not recommended for use with AMSOIL motor oils.

Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Service Life]

Service Life of AMSOIL 5w40 Synthetic Oil for EGR Engines


AMSOIL 5w40 Synthetic Diesel Oil Change Intervals for EGR Engines - Service Life InformationAMSOIL Synthetic 5W-40 Premium Diesel Oil is recommended for use according to the longest service interval established by the engine, vehicle or equipment manufacturer. Drain intervals may be extended when monitored by oil analysis.

AMSOIL Ea™ and Donaldson Endurance™ full flow oil filters are designed for extended drain intervals. They stop smaller particles, have less restriction and last longer than regular filters. For best performance use AMSOIL Ea™ or Donaldson Endurance™ oil filters.
For maximum engine protection, use only AMSOIL high efficiency oil and air filters, which offer, not only incredible contaminant removal ability, but also long change interval capability for maximum economy.

Note: Most quick lube service centers will install these products upon request or you can install them yourself.

Buy It Now ... AMSOIL 5w40 Diesel

Need More Information or Assistance?

On ANY of our product information pages (including this one), you'll see an "Additional Information" section just below this one which will provide links to additional information regarding this particular AMSOIL synthetic product (such as tech specs, mixing info, service life, alternative products, etc.).

For additional information and assistance, see our blue "Website & Product Help" button at the top of the navigational column to the right.[newpage=Health & Safety]

Health & Safety

This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS).

An MSDS for this product is available upon request. We can sent it do you as an electronic PDF file or as a paper document by regular mail.
You may submit your MSDS request by phone or email.

Buy It Now ... AMSOIL 5w40 Diesel



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