Quaker State Ultimate Durability SAE 5W-20 Full Synthetic motor oil is our most advanced formulation, engineered to deliver exceptional engine performance, protection, and durability. This premium synthetic oil outperforms Quaker State Advanced Durability Motor Oil, offering superior resistance to thermal and viscosity breakdown. As a result, it maintains optimal oil film thickness, reducing wear and tear on engine parts and extending engine life. The advanced formulation includes special detergents and dispersant additives that neutralize harmful acids, preventing sludge and deposit formation on critical engine components. Quaker State Ultimate Durability full synthetic motor oil is ideal for high-performance vehicles, including sports cars, SUVs, trucks, and minivans, and is compatible with biofuels (E10 to E85) and hybrid vehicles. It meets or exceeds stringent industry standards, including API SN PLUS, ILSAC GF-5, and GM dexos1 Gen 2 specifications, ensuring robust engine protection and performance.
*Compared to Industry standard Seq IVA engine test
Specifications, Approvals and Recommendations
– API SN PLUS, API SN-RC and all previous categories
– ILSAC GF-5
– GM dexos1TM Gen 2
– Chrysler MS 6395
– Ford WSS-M2C945-B1
Product Highlights
- Quaker State Ultimate Durability is our most powerful formulation, providing extreme engine performance and protection against deposits, which allows your engine to operate at maximum horsepower
- No leading synthetic motor oil provides better protection from friction-related wear when compared to industry standard Sequence IVA engine test results
- Helps protect against the effects of low-speed pre-ignition (LSPI) in modern turbocharged engines
- Provides excellent protection against the formation of sludge and other harmful deposits when compared to Quaker State Advanced Durability Motor Oil
- Superior lubrication flow and pumpability at high and low temperatures when compared to Quaker State Advanced Durability Motor Oil

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