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Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
5W-30 Series 3000 Heavy-Duty Diesel Oil (HDD) Synthetic 5W30

Maximum Fuel Economy and Excellent Anti-Wear Protection. Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. Also engineered for all gasoline engines recommending API SL specifications including turbo-charged vehicles. Provides superior wear protection and fuel efficiency.

Package sizes include:

Quart Bottle
1-Gallon Bottle
2.5-Gallon Bottle
30-Gallon Drum
55-Gallon Drum

Product Code: HDD • Brand: AMSOIL




MSDS Data Sheet

Product Details Tech Data Reviews & RatingRelated Videos

Product Applications
AMSOIL Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil is recommended for diesel engines, gasoline engines and other applications that require any of the following specifications:

Product Application Specs

• API CI-4+, CI-4, CH-4, CF-2, CF, SL, SJ
• ACEA A3/B3, E2, E3, E5, E7
• Global DHD-1
• JASO DH-1
• Mack EO-M, EO-N
• DDC 93K214
• Caterpillar ECF-1-a, ECF-2
• Cummins CES 20076, 20077, 20078
• Volvo VDS-2, VDS-3 • MB 228.1, 228.3, 229.1
• MAN 271/3275
• MTU Type II

Product Description
AMSOIL Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil delivers extraordinary lubrication in both diesel and gasoline engines found in commercial, fleet and personal vehicles. By combining the industry's premier synthetic technology with AMSOIL premium additives, AMSOIL Series 3000 exceeds the higher performance demands of modern engines, including those with turbochargers. It withstands the stress of higher heat, higher acid levels and excessive soot-loading found in exhaust gas recirculation (EGR)-equipped engines. AMSOIL Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil consistently outperforms conventional and synthetic diesel oils for long-lasting performance and protection.

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.

Extends Drain Intervals
AMSOIL Series 3000 Diesel Oil can extend drain intervals far beyond those recommended for conventional oils. Its unique synthetic formulation and long-drain additive system deliver maximum engine protection, cleanliness and performance over extended drain intervals, reducing vehicle maintenance and waste oil disposal costs.

Maximizes Fuel Economy
AMSOIL Series 3000 Diesel Oil is energy efficient for reduced fuel costs. Its low viscosity minimizes "drag" associated with high-viscosity oils, allowing the engine to operate more freely, maximizing power and fuel economy.

Maximum Protection Against Engine Wear
Even under high temperatures and pressures, AMSOIL Series 3000 Diesel Oil’s superior film strength and anti-wear additives help prevent metal-to-metal contact. AMSOIL Series 3000 reduces ring wear, cylinder bore polishing, oil consumption and valve train wear for improved engine life and lower maintenance costs.

Controls Soot Thickening and Wear
AMSOIL Series 3000 Diesel Oil is heavily fortified with detergent/dispersant additives and is naturally resistant to soot. It is designed to keep soot particles suspended independently and prevent them from attaching together to form larger, wear-causing particles. Viscosity increase is minimized and soot-related wear is controlled.

Reduces Oil Consumption and Emissions
AMSOIL Series 3000 Diesel Oil effectively reduces high-temperature volatility (evaporation), outperforming conventional oils. Because less oil vapor passes into the combustion chamber, oil consumption and emissions are reduced. Additionally, lower volatility helps AMSOIL Series 3000 Diesel Oil retain its viscosity after high-temperature service for continued dependable protection and excellent fuel economy.

Excels in Extreme Temperatures
AMSOIL Series 3000 Diesel Oil resists thermal (heat) breakdown, oxidation and sludge formation better than conventional oils. And unlike conventional petroleum oils, AMSOIL Series 3000 contains no wax. It stays fluid down to -50°C (-58°F) for improved cold-temperature oil flow, reduced bearing wear and easier starting.

Service Life
AMSOIL Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil is recommended for extended drain intervals in unmodified, mechanically-sound vehicles or equipment as follows:

Diesel Engine Service

• Three times (3X) OEM* recommendation, not to exceed 50,000 miles/600 hours or one year, whichever comes first. Drain intervals may be extended further with oil analysis.

Gasoline Engine Service

• Normal Service — Up to 25,000 miles or one year, whichever comes first, or longer based on oil analysis.
• Severe Service — Up to 15,000 miles or one year, whichever comes first, or longer based on oil analysis.

*Operating conditions and drain intervals for severe and normal service are defined by the OEM. Refer to your owner’s manual.

Compatibility
AMSOIL Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil is compatible with conventional and synthetic motor oils. Mixing AMSOIL motor oils with other oils, however, will shorten the oil life expectancy and reduce the performance benefits. AMSOIL does not support extended drain intervals where oils have been mixed.

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

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).

Click here to view the MSDS Data Sheet for AMSOIL HDD.

Keep out of the reach of children. Don't pollute. Return used oil to collection centers.

TYPICAL TECHNICAL PROPERTIES
AMSOIL Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445) 11.7
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) 67.9
Viscosity Index (ASTM D-2270) 168
Cold Crank Simulator Apparent Viscosity @ -30°C, cP (ASTM D-5293) 4851
Pour Point °C (°F) (ASTM D-97) -50 (-58)
Flash Point °C (°F) (ASTM D-92) 226 (439)
Fire Point °C (°F) (ASTM D-92) 240 (464)
Noack Volatility (DIN 51581) 250°C for 1 hour, % weight loss 8.6
High Temperature/High Shear Viscosity, cP, 150°C, 1.0 x 106 s-1 (ASTM D-5481) 3.5
Four-Ball Wear Test (ASTM D-4172: 40kg, 75°C, 1200 rpm, 1 hr) Scar diameter, mm 0.35
Total Base Number 12.1

Diesel Power Challenge

Did this product meet your expectations?

(click on a star to rate)
Product Name: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
Current Rating: 4.89 out of 5 stars
Total Votes: 49 vote(s)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Machineman: space

Diesel oil

Have used this oil for years, would not use anything else in my diesel truck

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Daniel: space

Diesel Marine Oil 15W-40

I've used AMSOIL products for years. I have an 2004 F350, 6.0 liter and this is the only oil I run. Amsoil keeps the engine clean and long lasting. Also use AMSOIL in my 2007 Expedition. Both vehicles have close to 200,000 or more than. Still running strong.

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Chris: space

Always use this product

Run these fluids in all vehicles

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Barry: space

THE ONLY oil to use

My diesel will use nothing else!

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Tw: space

First product I've tried results look promising

Daily driver ,200000+ miles runs like new

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Whododgeit: space

I would buy products again

It great oil and keep engine running life

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by ron: space

amzoil.15/40.diesel

1995.dodge.2500.12.valve.5/9.cummings.diesel.only.500.miles.since.change.have.notice.better.fuel.efficiency

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Buck: space

Very pleaded with purchase

Works perfectly

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by L. Williams: space

The value of a Classic.

Greetings,

I have a 2001 Hummer H1 and I recently 'rescued' a 1995 Hummer H1. Now, both of these vehicles are
getting closer to the Classic status. I am bringing the 1995 back to life. I have changed the diff oil, hub oil, engine oil, trans oil, and coolant with Amsoil. The 1995 is running strong now.

I take the vehicles out in the wilderness. I see no reason to risk my family getting stranded by using a cheap/sub-standard product.

Adventure on!

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by LBZ Duramax: space

Excellent product!

I've been using Amsoil 15W-40 Heavy-duty Diesel and marine oil in my 2006 Silverado 2500HD for 10 years now. Oil and filter change intervals average around 12,000 to 18,000 miles.
The truck now has over 355,000 miles on it and it still runs great! I never have to add any oil between oil changes either. If you are on the fence about using this oil in your vehicle, I say, go for it! You won't regret it!
Amsoil is top of the line!

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Jason: space

15W40 Heavy Duty Diesel Oil

I have an 06 Dodge with the Cummins. These 'older' diesels required a CI4+ oil. There is much debate in the oil world about the qualities of the newer oils vs the older ones - specifically that the old CI4+ oils had more detergents in them, which the older engines liked better. Even though the newer oils are backwards compatible, they apparently do not have the same detergents in them. This has been the only CI4+ rated oil I can still find. Its the only oil I use in the Cummins.

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Mr Diesel: space

15w40 he diesel oil

Used this oil for 27 years and never had a oil leak or any engine failure. Put 300,000 miles on Dodge TURBO Cummins, check but never had to adjust valves. Only oil I will use.

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Eric: space

Awesome

Been using this on 7.3 heui truck oil shearing monsters. I'm at 9k and been pushed to 15k for next oil analysis definitely a efficient product and same $$$$ on oil changes..

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by chin00kie: space

The best oil.

I maintain seven vehicles so changing oil could be a full time job. I use Amsoil because it is the best oil made and the best filter in the industry. My twin sons just became 16. For their birthday I had them learn how to change the oil in their trucks by converting them to Amsoil . This oil seems to be better suited to my older VW Jetta than the other Diesel oils. I use less of this oil. My car has nearly 300,000 miles and has always used about 4 oz of oil every 500 miles. With this oil that amount is cut in half.

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Mark: space

I use this product in my Dodge diesel and my boat

I also use the motorcycle kit for oil and filter changes in my Harley Davidson

Item Reviewed: Heavy Duty Diesel & Marine Motor Oils

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Custom ROD: space

Hard to Choose

I never really know if I'm choosing the best product for my applacation. Wish
I could call my friends at Amsoil like they do a Roadkill Garage

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Jeff in Southern Oregon: space

Excellent Oil=Long running pickup!

I have a 2005 Dodge 3500 with a 5.9L diesel. From the first time I changed the oil or had it changed, I have been using Amsoil 5w-30 with the Amsoil Filter. The truck now has over 435,000 miles and just keeps going! I do a lot of Freeway driving all across the West, sometimes pulling a stock trailer. Amsoil products keeps it going. I average about 25-28 MPG, and do about 35K-40K miles per year. Thanks for keeping me on the road!

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Thundercat: space

Perfect winter oil

This is my winter oil for my 1998 Dodge Ram 5.9L diesel. Use this oil with my Amsoil bypass system.....change to it in November (from 15-40). Have been using this as winter oil for many years with absolutely no issues, truck starts well whether plugged in or not.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Mike: space

Good oil!

Was having some stiction issues with my 7.3. Was recommended this product by an oil specialist. Never heard of Amsoil before I used it. Seemed like my engine loved it as I could tell that it started right up and seems to have restored any loss of power. Stiction seems to have gone away even in cold start ups. Will exclusively use this product.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Wounded Knee: space

GREAT product!!

This review is based on a van that I no longer have. I used Series 3000 in that van for years... I believe 3 years?? Perhaps 4. At the time that it suffered a rollover and was "totaled", the engine oil pressure (a major indicator of bearing wear) was exactly as high as when the van was new to me.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bob: space

Excellent Oil

I've been using Series 3000 5w-30 in my 2005 Ram 2500 with Cummins engine for 5 years now. I change it once a year, every 20,000 miles (without sampling...vlimd faith). Truck had 140k miles when I bought it and first put in Amsoil....it now has 240k and runs perfectly. I will always use Series 3000.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Peter the treat: space

Excellent product!!

16 plus years in gas and diesel engines, no regrets!!

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Bow hunter Matt: space

I will keep buying this everytime I change my oil

The only oil I have ever used that frees up extra horsepower

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Sonny: space

I believe in Amsoil products

I have been using Amsoil lubrication in all of my cars, trucks, tractors and compressors since 1974. I am very happy with the results I have had with Amsoil - higher mileage, better cooling due to less friction and longer oil change schedule.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Wil: space

Only the best!

I've used Amsoil for over 40 yrs. starting with my 1st VW diesel around 1973 and never had a worry.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Jack: space

Jack Sandow, CEO, "Aquatic Research South", Waycross, GA

I wouldn't crank up my 2001 Powerstroke 7.3 diesel without Series 3000 in the crankcase !! It's amazing protection, and allows me to only change oil when needed. The auxillary remote filtration system I purchased from Amsoil allows me years of worry-free protection !!!! NOTHING better !!!!

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Jack: space

Jack Sandow, CEO, "Aquatic Research South", Waycross, GA

I wouldn't crank up my 2001 Powerstroke 7.3 diesel without Series 3000 in the crankcase !! It's amazing protection, and allows me to only change oil when needed. The auxillary remote filtration system I purchased from Amsoil allows me years of worry-free protection !!!! NOTHING better !!!!

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by MATT: space

Series 3000 5W-30 Heavy Duty Diesel oil

I've been using using this product in my 2001 Ford Excursion 7.3L Diesel. Change every 15,000 miles . 288,000 miles so far ! High pressure oil actuates the fuel injectors on this engine. Still on original injectors. I believe the full synthetic oil has helped extend the life of the injectors. Several of my friends have had to replace their injectors on similar Ford diesels. Looking to put 500k miles on my Excursion. Amsoil products in transmission and rear end as well.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by Scott: space

improved fuel economy

Since i have used this product i have noticed improved fuel economy in my 3.0 diesel engine. This product has a very high film strength and good lubricity. I will watch the performance as time passes..

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by TN: space

Series 3000 5W-30 for the 6.0 Powerstroke engine

I have experienced quite a few problems with the 6.0 Powerstroke engines and I can say that my 6.0 runs like a top after switching to this oil. As far as I am concerned this is the only oil that I will ever put back into this machine - it has made a noticeable difference, especially in cold weather. I was skeptical at first but this oil was made with the 6.0 in mind. The standard 15w-40 oils tend to get sheared down by the High Pressure Oil Pump meaning they are 15W-40 when you put it in the engine but it is not 15W-40 when it comes back out. Where the Series 3000 oil goes in at 5W-30 and comes out at 5W-30.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by COL DAVE: space

Series 3000 5W-30 Synthetic Heavy Duty Diesel Oil

I have been using this oil for over 5 years now and I would not change for any other brand. Amsoil is easy to work with and they ship fast. Great company.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by DON'T HAVE ONE: space

180,000 miles with Amsoil series 3000

I BOUGHT A USED 2007 DODGE DURANGO LIMITED WITH A 4.5 L GAS ENGINE IN 2007. IT HAD 18,000 MILES ON IT AND NOW HAS 190,000 MILES. I HAVE USED THE SERIES 2000 OIL ITS ENTIRE LIFE, CHANGING EVERY 10,000 MILES. IT DOES NOT USE ANY OIL IN A 10,000 MILE INCREMENT.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

A Verified Buyer is an individual who has purchased the reviewed product and submitted their review through a specific process that tracks purchase history.Reviewed by JP: space

Chevy diesel

I have used this product for years. I keep my vehicles for many years so important to keep wear under control. When my trucks hit 45000 miles I switch to Amsoil 3000 and have gotten longevity on all with no major engine trouble. Never had to plug my vehicles in, in cold weather. And I've had to travel upstate NY in very cold weather.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)

Reviewed by Chip: space

update after 9k miles

Utterly boring, reliable oil. 12 quarts + EaO80 filter + 9.1k miles = no oil burned + analysis came out excellent :-)

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
Discussion Url

Re: update after 9k miles

Chip, thank you for confirming the outstanding performance of Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil, and that it provides the driver the security of knowing their engine is going to provide trouble-free operation mile after mile. Based on the oil analysis, it is still fit for use. Replied by Tech Admin

Reviewed by Chip : space

excellent oil

I'm lazy - changed the main bearings this morning with the crank still in place. Along with a new oil pump, oil pickup, 6 quarts HDD + EaO15, I'm good for at least a year.

Low temp flow/longlife like ATM, and Zn/Ph/bearing protection/film strength/high temp stability like ZRT/Dominator, this oil is a winner, and personally recommended by Alex Farkas.
I hear the founder of AMSOIL uses this too.

"The HDD has a higher level of ester content, a higher Base Number Detergent/Dispersant package, and two new FM/AW components; one an ester and the other an organometallic compound."

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
Discussion Url

Reviewed by Ryan Scott: space

the best multipurpose oil

With some research I found out that series 3000 is a very high end oil in terms of what goes into it (read robust additive package).

Also this is the only oil that can be used in virtually any application (diesel, gas & propane) that requires 30 or 40 weight oils (like 5w30, 10w40 etc).

This one drum replaced various grades of oils in the farm. No more confusion. One oil goes into all farm equipments... small engines to diesel tractors. Supports extended drain interval for up to 1 year. Amsoil HDD provides excellent performance, protection & convenience. A total time saver. Hope Amsoil keep making this oil.

Item Reviewed: Series 3000 Synthetic 5W-30 Heavy-Duty Diesel Oil (HDD)
Discussion Url

Re: the best multipurpose oil

Hi Ryan, series 3000 HDD is a high performance, multipurpose oil, excellent for a wide range of older & off road vehicles and equipments (gas & diesel) but it is not suitable for 2007 & up diesels equipped with diesel particulate filter (use a CJ-4 spec Amsoil).

Also do not use HDD on modern vehicles that require oils with certain specs (as described by the manufacturer), which HDD may not cover. Replied by Tech Admin
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