AMSOIL OE 100% Synthetic Motor Oil

  • Fights sludge and deposits with 100% synthetic formulation.
  • 47% more wear protection1 than required by the GM dexos1 Gen 2 specification.
  • 100% protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.

1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

Product Overview

Delivers 100% synthetic engine protection for advanced automotive technology, including turbos and direct injection. Specifically formulated for the longer drain intervals recommended by original equipment (OE) manufacturers.

ADVANCED WEAR PROTECTION

  • Excellent wear control to protect critical engine parts like pistons and cams.
  • 47 percent more wear protection1 than required by the GM dexos1 Gen 2 specification.
  • Added protection in extreme environments produced by smaller displacement engines.

PROTECTS PISTONS FROM LOW-SPEED PRE-IGNITION

  • Features unique chemistry to protect against low-speed pre-ignition (LSPI).
  • Achieved 100 percent protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.
  • Zero occurrences of LSPI were recorded throughout five consecutive tests.

KEEPS ENGINES CLEAN

  • Engineered to remove harmful contaminants.
  • Synthetic base oils naturally resist chemical breakdown to help prevent deposits.
  • Detergent and dispersant additives provide excellent sludge- and deposit-fighting properties.

PROTECTS IN ALL TEMPERATURES

  • Ideal for today’s hotter-running engines.
  • Fights heat to control deposits, prevent thickening and limit oil consumption.
  • Easier cold starts and rapid lubrication of components to reduce start-up wear.

IMPROVES FUEL ECONOMY & MAINTAINS LOW EMISSIONS

  • Licensed by the American Petroleum Institute (API) to meet and exceed common OEM requirements.
  • Excels in fuel-economy testing, earning the additional “Resource Conserving” designation from the API.
  • Promotes proper operation of catalytic converters for optimum service life and low exhaust emissions.

1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

*All trademarked names are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

Ready to buy or need help selecting the right product?

 

Product information checked: September 2026. Product formulations, specifications, applications, availability and published claims can change.
For the latest official information, consult the AMSOIL Corproate Website.

Current AMSOIL Promos
Upcoming Shows
34th Daytona Beach Biketoberfest Motorcycle Parts Swap Meet
34th Daytona Beach Biketoberfest Motorcycle Parts Swap Meet
October 15-18, 2026 | Tomoka Farms | Daytona Beach, Florida ...
Blog & News
Is Isaias Coming Our Way? Prep Your Vehicles for a Hurricane
Is Isaias Coming Our Way? Prep Your Vehicles for a Hurricane
Is Isaias coming our way? Hurricane forecasts can change quickly. Before the storm arrives, don't forget the vehicles, generator and ...
Event Coverage Spotlight
37th Annual River Ranch Rod Run
37th Annual River Ranch Rod Run
January 23-24, 2026 | Westgate River Ranch Resort | River Ranch, Florida ...
Facts & Info Spotlight
Oils Against Oils
Oils Against Oils
Originally published in Fast Fours & Rotaries in July 1998, “Oils Against Oils” reports a performance-car engine test comparing synthetic ...
Heritage Spotlight
My First Van
My First Van
1989 Ford Econoline E-150 Conversion Van 

This van became my practical daily and show vehicle after the Laser was damaged. I ...