Uploaded March 2025 | Updated September 2026, 2 weeks ago
In addition to removing existing sludge, AMSOIL 100% Synthetic High-Mileage Motor Oil provides up to 62% better deposit prevention.* That means you can put the issue of sludge behind you once and for all.
*Based on independent testing of AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil, Valvoline** Full Synthetic High-Mileage with MaxLife** Technology 0W-20 Motor Oil (batch codeJ2622C5 purchased December 21, 2022) and Mobil 1** High-Mileage 0W-20 Full Synthetic Motor Oil (batch code 11022L21A 6606 purchased December 8, 2022) in the industry-standard TEOST 33C Test (ASTM D6335) as required by the ILSAC GF-6 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.
In addition to removing existing sludge, AMSOIL 100% Synthetic High-Mileage Motor Oil provides up to 62% better deposit prevention.* That means you can put the issue of sludge behind you once and for all.
*Based on independent testing of AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil, Valvoline** Full Synthetic High-Mileage with MaxLife** Technology 0W-20 Motor Oil (batch codeJ2622C5 purchased December 21, 2022) and Mobil 1** High-Mileage 0W-20 Full Synthetic Motor Oil (batch code 11022L21A 6606 purchased December 8, 2022) in the industry-standard TEOST 33C Test (ASTM D6335) as required by the ILSAC GF-6 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.
