Quaker State Ultimate Durability SAE 10W-30 Full Synthetic motor oil is our most advanced formulation, designed to provide exceptional engine performance, durability, and protection for high-performance vehicles, including sport cars, SUVs, trucks, and minivans. This premium synthetic motor oil maintains its viscosity and provides superior resistance to thermal breakdown, ensuring engine parts are well-lubricated and protected against metal-on-metal contact. The unique blend of heat-activated shear stable viscosity modifiers and advanced detergents and dispersant additives works to neutralize harmful acids and prevent sludge and deposit formation on critical engine components. Quaker State Ultimate Durability full synthetic motor oil is compatible with biofuels (E10 to E85) and suitable for hybrid vehicles, making it an ideal choice for a wide range of drivers.
*Compared to industry standard Seq IVA engine test results
Specifications, Approvals, and Recommendations
– API SN PLUS, API SN-RC, and all previous categories
– ILSAC GF-5
– Chrysler MS 6395
Product Highlights
- Our most powerful formulation for extreme engine performance and deposit protection
- Superior protection against friction-related wear as demonstrated in Sequence IVA engine tests
- Helps protect modern turbocharged engines against the effects of LSPI
- Excellent protection against sludge and deposit formation
- Superior lubrication flow and pumpability at high and low temperatures

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