"How Long Will Your Oil Last?"

 

Site Last Updated: March 26, 2012

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Harley Owners Should Choose AMSOIL!!

"First In Synthetics"

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Why AMSOIL and not a brand name oil?

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Nothing Outperforms Mobil1? Wrong!!!

The Federal Trade Commission Cracks Down On Oil Additives

What About Oil Additives Like Slick 50 And Prolong?

409,000 Miles Without An Oil Change

Over 535,000 Miles Testimonial

 

 

 

Premium API CJ-4 Synthetic 5W-40 Diesel Oil Product Code: DEOQT-EA  

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. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil.
 
 
Premium API CJ-4 Synthetic 15W-40 Diesel Oil Product Code: DMEQT-EA  

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. Delivers extraordinary lubrication in diesel engines in commercial, fleet and personal applications. Exceeds modern specs for emission-quality diesel oil.
 
 
OE 15W-40 Synthetic Diesel Oil Product Code: OEDQT-EA  

AMSOIL OE 15W-40 Synthetic Diesel Oil provides excellent protection and performance in both on- and off-road diesel engines for the original equipment manufacturer’s recommended drain interval. It meets API CJ-4 specifications and is suitable for both modern and older diesel applications.
 
 
SAE 15W-40 Heavy-Duty Diesel and Marine Motor Oil Product Code: AMEQT-EA  

Engineered for pre-2007 diesel engines in on-road applications as well as all model year diesel engines in off-road applications. High 12 TBN controls acids from combustion blow-by and EGR. Additives control soot thickening, oxidation and wear. Extended drain capabilities reduce downtime and motor oil expenses.
 
 
Series 3000 SAE 5W-30 Synthetic Heavy Duty Diesel Oil Product Code: HDDQT-EA  

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.
 
 
Synthetic SAE 10W-30/SAE 30 Heavy-Duty Motor Oil Product Code: ACD1G-EA  

Exceeds both 10W-30 multi-grade and SAE 30 straight-grade viscosity requirements. Provides outstanding performance in pre-2007 diesel engines in on-road applications as well as all model-year diesel engines in off-road apps. Also recommended for gasoline engines requiring API SL or previous specifications.