25,000 Mile Extended Drain Synthetic Motor Oils
Extend Your Drain Intervals with 100% Synthetic Motor Oils
SAE 0W-20 100% Synthetic Motor Oil (ASM)
Signature Series 0W-20 100% Synthetic Motor Oil
Signature Series 0W-30 100% Synthetic Motor Oil (AZO)
Signature Series 0W-30 100% Synthetic Motor Oil
SAE 5W-30 100% Synthetic Motor Oil (ASL)
Signature Series 5W-30 100% Synthetic Motor Oil
SAE 10W-30 Synthetic Motor Oil (ATM)
Signature Series 10W-30 100% Synthetic Motor Oil
Premium Protection Motor Oils & Filters
10W-40 Synthetic Premium Protection Motor Oil (AMO)
SAE 10W-40 Synthetic Premium Protection Motor Oil
20W-50 Synthetic Premium Protection Motor Oil (ARO)
SAE 20W-50 Synthetic Premium Protection Motor Oil
AMSOIL Oil & Air Filters
AMSOIL Ea Oil, Air Filters & By-Pass Filters
AMSOIL Signature SeriesAMSOIL sets industry benchmark in lubrication technology. AMSOIL is the first company to coin the phrase “extended drain” in 1973 by offering the World's first “extended drain” lubricants.

AMSOIL Signature Series “extended drain” lubricants are formulated for 25,000 Miles (40,000 kms) or 1 year of service life.

AMSOIL Signature Series “extended drain” lubricants are designed for those who demand the absolute best in motor oil performance. The exclusive “extended drain” formulation delivers superior engine protection and maximum fuel economy and exceeds the specification requirements of modern, high performance and older engines.

Engineered to outperform all conventional gasoline engine motor oils. Reduces heat, friction, and wear for maximum performance and fuel efficiency. Clean engine formula resists high-temp breakdown that forms sludge and varnish. Lasts longer and offers better protection.

AMSOIL Signature Series “extended drain” 100% Synthetic Motor Oils are formulated in 0W20, 0W30, 5W30 & 10W30 viscosity to fulfill majority of gasoline motor oil applications.

AMSOIL also formulates full line of “extended drain” high performance diesel motor oils in 5W30, 10W30, 5W40, 10W40, 15W40 & 20W50 viscosity
AMSOIL "Genuine Synthetic PAO Formulated" oils have shattered the parameters of the most rigorous industry testing and set the standard for all other oils.
Gear Lube Chart

Two-Cycle Chart

Nationwide Shipping & Customer Service!
AMSOIL products are drop-shipped nationwide from the closest distribution center (USA & Canada)!
AMSOIL operates 13 strategically located distribution centers across US & Canada! (click icon for details)
Factory Direct Shipping!
All orders are processed & shipped factory direct.


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Authorized Dealer Network of Premium Quality AMSOIL Synthetic Lubricants and Filtration Products
Wednesday, Feb 22nd, 2012

About AMSOIL
AMSOIL History Company of Firsts 38+ Years Track Record New Product Launches AMSOIL & Environment ISO 9001:2008 Certified AMSOIL Warranty
Motor Oil
Gasoline Engine
0W-20 100% Synthetic Signature Series (ASM) 0W-20 Extended Life Synthetic Motor Oil (XLZ) 0W-20 OE Synthetic Motor Oil (OEZ) 5W-20 100% Synthetic Signature Series (ALM) 5W-20 Extended Life Synthetic Motor Oils (XLM) 5W-20 OE Synthetic Motor Oil (OEM) 0W-30 100% Synthetic Signature Series (AZO) 5W-30 100% Synthetic Signature Series (ASL) 5W-30 Extended Life Synthetic Motor Oils (XLF) 5W-30 OE Synthetic Motor Oil (OEF) 5W-30 100% Synthetic European Car Formula (AEL) 5W-40 100% Synthetic European Car Formula (AFL) 10W-30 100% Synthetic Signature Series (ATM) 10W-30 Extended Life Synthetic Motor Oils (XLT) 10W-30 OE Synthetic Motor Oil (OET) 10W-40 100% Synthetic Premium Protection Motor Oil (AMO) 10W-40 Extended Life Synthetic Motor Oil (XLO) 20W-50 100% Synthetic Premium Protection Motor Oil (ARO)
Diesel Engine Racing Motor Oils Classic & High Performance Motorcycles & Scooters 4-Stroke & Small Engines 2 Cycle / 2 Stroke Motor Oil Marine Motor Oil Natural Gas Engine Oils
Oil & Air Filtration
AMSOIL Oil Filters AMSOIL Full Flow Oil Filter (Nano Fiber) AMSOIL Air Filters AMSOIL Line of Air Filters (Nano Fiber) AMSOIL Motorcycle & ATV Filters AMSOIL Motorcycle & ATV Filters AMSOIL By-Pass Oil Filteration By-Pass Filteration Kits By-Pass Filter Elements AMS-Oiler Oil Precharger Oil Analysis Available Substitute Filter Brands Donaldson Oil & Air Filters MANN-FILTER Oil, Air, Fuel & Cabin WIX Oil, Air, Fuel, Cabin Filters & More WIX AquaChek Filters
ATF & Gear Lube
Automatic Transmission Fluids Multi-Vehicle Automatic Transmission Fluid (ATF) Low Viscosity Automatic Transmission Fluid (ATL) Torque-Drive - for Allison TES-295 (ATD) Tractor Hydraulic/Transmission Oil (ATH) Powershift Transmission Fluid Powershift Transmission Fluids ATF for Racing, Ford Type F & Allison C-4 Super Shift Racing Transmission Fluid Gear Lube High Performance Gear Lube Semi Truck Gear Lube Racing & Off Road Gear Lube Manual Synchromesh Transmission Fluid SAE 50 HD Manual Transmission Oil (FTF) Marine Gear Lube 75W/80W-90 (AGM) Gear Lube Additive Limited Slip Differential (LSD) Additive
Miscellaneous
Grease Spray Grease & Lubricants Engine Flush & Cleaners Bar & Chain Lube Suspension Fluid Power Steering Fluid DOT Brake Fluid Antifreeze & Coolant Boost AMSOIL also offers Trico Wiper Blades NGK Spark Plugs & Wires Mother's Car Care (USA Only)
Industrial Lubricants
Compressor Oils - Synthetic PC Series Compressor Oils DC Series Compressor Oils Sirocco SE Series Ester Compressor Oil Refer: Compressor Oil Compatibility Guide Hydraulic Oils - Synthetic AW Series Antiwear Hydraulic Oils Biodegradable Hydraulic Oil (BHO) Tractor Hydraulic/Transmission Oil (ATH) Slideway, Chain, Bearing and Gear Oil SG SERIES Extreme Pressure Gear Oils WL SERIES Slideway, Chain and Gear Lube RC Series R&O/AW Gear And Bearing Oils HT Series High Temperature Lubricating Oils
Fuel Additive
Gasoline Fuel Additives P.I. Performance Improver (API) Series 2000 Octane Boost (AOB) Gasoline Stabilizer for Storage (AST) Small Engines & Powersports Fuel Additive Quickshot SE (AQS) Additive & Stabilizer Diesel Fuel Additives Diesel Concentrate Additive (ADF) Diesel Cold Flow Improver (ACF) Diesel Additive with Cold Flow (DFC) Cetane Boost for Diesel Fuel (ACB) Diesel Recovery Emergency Fuel Treatment Home Heating Oil Furnace Home Heating Fuel Extender