AMSOIL Synthetic Motor Oil
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Who is AMSOIL?
Synthetic Motor Oils
Motorcycle/ATV/2-cycle Oils
Synthetic Gear Lubes
Synthetic Transmission Fluids
Miscellaneous and Household Lubricants
Greases and Hydraulic Oils
Premium Quality Filters
Industrial Lubricants
Fuel Additives and Cleaning Products
Car Care Products
What are Synthetic Lubricants?
Motor Oil Basics
Basic Concepts of Lubrication and Friction
Technical Properties and Testing of Lubricants
The Thick and Thin of Viscosity
Volatility and the NOACK Test
History of Oil Filtration
An Education in Grease
The True Measure of Lubricant Quality
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Coming Soon!
AMSOIL vs. the Major Brands
AMSOIL vs. Mobil 1 SuperSyn
API Sequence IIIF Test
AMSOIL vs. Harley Screamin' Eagle Oil
AMSOIL Synthetic Gear Lube Outperforms Valvoline Gear Lube
8.2% More MPG with AMSOIL Synthetic Lubricants
Coming Soon!
Welcome to BestSynthetic.com! - Your source for AMSOIL Synthetic Motor Oil

The big oil companies offer lots of slick fluffy marketing claims like "Nothing outperforms Mobil 1", but offer no proof or facts. The truth is, AMSOIL synthetic oil outperforms Mobil 1 and all other conventional and synthetic lubricants. And we have the proof to back it up. They don't, which is why they can only use slogans. AMSOIL, the First in Synthetics.

"Our Company makes the best lubricants in the world, period, and challenges anyone or any company to prove us wrong! That won't happen because our competitors know it's true." -A.J. Amatuzio, President & CEO.

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If the lubricant you're looking to replace isn't listed here, please email us or call AMSOIL technical services at (715) 392-7101. Chances are we have your application!!

AirLube

Competitive Product

ISO

Base Oil

AMSOIL
A1000C 100 Diester DCK
A1500C 150 Diester DCL
A327C 32 Synthetic Blend PCH
A4000C 46 Diester DCI
A467C 46 Synthetic Blend PCI
A680C 68 Diester DCJ
A687C 68 Synthetic Blend PCJ
FGRCL-46 46 Food Grade N/A
PGRI 46 Biodegradable Esters/Polyglycol SEI
PGRS 32 Biodegradable Esters/Polyglycol SEI
PS200 N/A N/A N/A
RCL-46 46 N/A PCI
RCL-68 68 N/A PCJ
SFG200 N/A Food Grade N/A
SUPREME N/A Biodegradable Esters N/A

AMOCO

Competitive Product

ISO

Base Oil

AMSOIL
AMOKON 32 32 Petroleum PCH
AMOKON 46 46 Petroleum PCI
AMOKON 68 68 Petroleum PCJ
AMOKON 100 100 Petroleum PCK
Compressor Oil 110 100 Naphthenic PCK
Compressor Oil 260 220 Naphthenic RCM
SYNTHOLUBE SL 32 32 Diester DCH
SYNTHOLUBE SL 68 68 Diester DCJ
SYNTHOLUBE SL100 100 Diester DCK
SYNTHOLUBE SL150 150 Diester DCL

Anderol

Competitive Product

ISO

Base Oil

AMSOIL
423 5 N/A N/A
495 32 Diester DCH
496 46 Diester DCI
497 68 Diester DCJ
500 100 Diester DCK
550 N/A Breathable Air Compressor Oil N/A
555 100 Diester DCK
750 150 Diester DCL
3032 32 PAO PCH
3046 46 PAO PCI
3068 68 PAO PCJ
3100 100 PAO PCK
3150 150 PAO PCL
3057M 68 PAO N/A
BDC 32 32 Polyol Ester SEI*
BDC 46 46 Polyol Ester SEI*
BDC 68 68 Polyol Ester N/A
FGC-10 32 Food Grade PAO N/A
FGC-150 150 Food Grade PAO N/A
FGC-20 46 Food Grade PAO N/A
FGC-30 68 Food Grade PAO N/A
FGC-40 100 Food Grade PAO N/A
PG Supreme 32 32 Polyglycol SEI*
PG Supreme 46 46 Polyglycol SEI*
PG Supreme 68 68 Polyglycol N/A
Premium Plus 46 Polyol Ester SEI*
S 100 100 Unconventional/Ester Blend PCK
S 32 32 Unconventional/Ester Blend PCH
S 46 46 Unconventional/Ester Blend PCI
S 68 68 Unconventional/Ester Blend PCJ

Atlas Copco

Competitive Product

ISO

Base Oil

AMSOIL
GA-4K 46 Petroleum PCI
GA-8K 32 PAO PCH
GA-FG 32 Food Grade PAO N/A
HD Roto Fluid 32 Hydro Treated Petroleum PCH
Roto Inject Fluid N/A Petroleum PCJ

BP

Competitive Product

ISO

Base Oil

AMSOIL
ENERGOL HLP 100 100 Petroleum PCK
ENERGOL HLP 150 150 Petroleum PCL
ENERGOL HLP 32 32 Petroleum PCH
ENERGOL HLP 46 46 Petroleum PCI
ENERGOL HLP 68 68 Petroleum PCJ

Castrol
Competitive Product ISO Base Oil AMSOIL
Aircool PD100 100 Petroleum PCK
Aircool PD150 150 Petroleum PCL
Aircool PD32 32 Petroleum PCH
Aircool PD68 68 Petroleum PCJ

Castrol-Tribol

Competitive Product

ISO

Base Oil

AMSOIL
Molub-Alloy 887-40 220 Naphenic Based N/A
Molub-Alloy 887-50 320 Naphenic Based N/A
Molub-Alloy GP 10 46 Naphenic Based N/A
Molub-Alloy GP 20 68 Naphenic Based N/A
Molub-Alloy GP 30 100 Naphenic Based N/A
Molub-Alloy GP 35 150 Naphenic Based N/A
Tribol 1450/100 100 Synthetic Esters N/A
Tribol 1750/100 100 Semi-synthetic PCK
Tribol 1750/32 32 Semi-synthetic PCH
Tribol 1750/46 46 Semi-synthetic PCI
Tribol 1750/68 68 Semi-synthetic PCJ
Tribol 890 Heavy 100 Diester DCK
Tribol 890 Light 32 Diester DCH
Tribol 890 Medium 68 Diester DCJ

Cato

Competitive Product

ISO

Base Oil

AMSOIL
Mystic Synguard 32 32 Diester DCH
Mystic Synguard 68 68 Diester DCJ
Mystic Synguard 100 100 Diester DCK

Champion

Competitive Product

ISO

Base Oil

AMSOIL
Food Grade PAO 46 Food Grade PAO N/A
PAO 46 46 PAO PCI

Chevron

Competitive Product

ISO

Base Oil

AMSOIL
Compressor Oil 260 N/A High V.I. Petroleum N/A
Compressor Oil FM 46 Food Grade PAO N/A
HDAX NG Compressor 150 Highly Refined Petroleum Oil N/A
HDAX NG Compressor 68 Highly Refined Petroleum Oil N/A
Syntholube 100 100 Diester DCK
Syntholube 150 150 Diester DCL
Syntholube 32 32 Diester DCH
Syntholube 68 68 Diester DCJ
Tegra Fluid 32 32 PAO PCH
Tegra Fluid 68 68 PAO PCI
Tegra Fluid 100 100 PAO PCK
Tegra Fluid 150 150 PAO PCL
Tegra Fluid HC 220 220 PAO RCM

Citgo

Competitive Product

ISO

Base Oil

AMSOIL
Compressorgard PAO 100 100 PAO PCK
Compressorgard PAO 150 150 PAO PCL
Compressorgard PAO 46 46 PAO PCI
Compressorgard PAO 68 68 PAO PCJ
Diester Lubricant 100 100 Diester DCK
Diester Lubricant 100/150 N/A Diester DCK/DCL
Diester Lubricant 68 68 Diester DCJ
PAO Compressor Lubricant 46 46 PAO PCI
Polyglycol Compressor Lubricant 220 Polyglycol N/A

Compair (Kellogg-American)

Competitive Product

ISO

Base Oil

AMSOIL
CN 300 100 Naphenic Based N/A
CS 100 32 Diester DCH
CS 200 68 Diester DCJ
CS 300 100 Diester DCK
CS 400 150 Diester DCL
CS 5000XL 46 Diester DCI
CS 500XL 46 Diester DCI
CSX 20 N/A Food Grade N/A
HYDROVANE 2000 100 Petroleum PCK

Conoco

Competitive Product

ISO

Base Oil

AMSOIL
Hydroclear 100 100 Hydrocracked PCK
Hydroclear 150 150 Hydrocracked PCL
Hydroclear 32 32 Hydrocracked PCH
Hydroclear 46 46 Hydrocracked PCI
Hydroclear 68 68 Hydrocracked PCJ
Syncon 100 100 PAO PCK
Syncon 32 32 PAO PCH
Syncon 46 46 PAO PCI
Syncon 68 68 PAO PCJ
Syncon R&O 100 100 PAO PCK
Syncon R&O 32 32 PAO PCH
Syncon R&O 46 46 PAO PCI
Syncon R&O 68 68 PAO PCJ

CPI Engineering

Competitive Product

ISO

Base Oil

AMSOIL
4100-68 68 Diester DCJ
4600-32-F 32 Food Grade PAO N/A
4601-100 100 PAO PCK
4601-150 150 PAO PCL
4601-32 32 PAO PCH
4601-46 46 PAO PCI
4601-68 68 PAO PCJ
4624-68-F 68 Food Grade PAO N/A

Darmex

Competitive Product

ISO

Base Oil

AMSOIL
DX ACO1040 100 Petroleum PCK

Direct Supply

Competitive Product

ISO

Base Oil

AMSOIL
DS05-127462-005 46 PAO PCI
DS05-250022-669 32 Polyglycol SEI*
DS05-39161534 100 Diester DCK

Dow Corning

Competitive Product

ISO

Base Oil

AMSOIL
FS-1265 100 Fluorosilicone N/A

Emery

Competitive Product

ISO

Base Oil

AMSOIL
2879 150 PAO PCL
2880 100 PAO PCK
2890 68 PAO PCJ
2990 32 PAO PCH

Emglo

Competitive Product

ISO

Base Oil

AMSOIL
Synthetic Blue 100 PAO PCK

Exxon

Competitive Product

ISO

Base Oil

AMSOIL

AMSOIL SECONDARY
Exxcolub77 68 Petroleum (hi-temp discharge) DCJ  
Synesstic 100 100 Diester DCK  
Synesstic 150 150 Diester DCL  
Synesstic 32 32 Diester DCH  
Synesstic 68 68 Diester DCJ  
Teresstic 32 32 Petroleum PCH  
Teresstic 46 46 Petroleum PCI  
Teresstic 68 68 Petroleum PCJ  
Teresstic GT 32 32 Petroleum PCH* RCH
Teresstic GT 46 46 Petroleum PCI* RCI
Teresstic SHP 100 100 PAO PCK* RCK
Teresstic SHP 150 150 PAO PCL* RCL
Teresstic SHP 32 32 PAO PCH* RCH
Teresstic SHP 46 46 PAO PCI* RCI