Engine Oil Specs.7z May 2026

If your car is newer than 2020, look for these specific API/ILSAC ratings to ensure maximum protection for modern fuel systems.

A mix of both. It offers better protection than conventional but at a lower price point than full synthetic. 4. OEM Approvals (Manufacturer Specs) engine oil specs.7z

The current highest standard for gasoline engines (introduced in 2020). It’s designed to protect against "low-speed pre-ignition" (LSPI) in modern turbocharged engines. CK-4 / FA-4: Current standards for diesel engines. If your car is newer than 2020, look

Common in European cars (BMW, VW, Mercedes). Ratings like or C3 indicate specific requirements for high-performance engines or those with advanced exhaust filters. 3. Oil Types: Base Stocks CK-4 / FA-4: Current standards for diesel engines

Chemically engineered for better stability. It handles extreme heat better, flows better in cold, and lasts longer.

The most common spec is the SAE (Society of Automotive Engineers) grade, like .