Castrol EDGE 10W-30 full synthetic motor oil, 5 qt — advanced wear protection & high-temp stability

Castrol EDGE 10W-30 is a full synthetic engine oil engineered to deliver strong wear protection, stable viscosity and high-temperature control for gasoline engines.

Designed for drivers who expect consistent performance across varied driving conditions, Castrol EDGE 10W-30 combines advanced additives and a robust synthetic base to help preserve engine components, control deposits and maintain oil film strength under stress. The formula targets key areas like fuel economy, sludge prevention, and thermal stability so your engine runs smoothly between service intervals.

How does this oil protect my engine under high stress?

Castrol EDGE 10W-30 uses a strengthened synthetic matrix and tailored additives that resist breakdown when temperatures and loads increase. That helps sustain film strength and reduces metal-to-metal contact during demanding driving.

• 3X stronger film retention compared with a leading full synthetic in standard lab tests
• 10X improved performance in high-stress engine bench testing
• Designed to reduce wear on bearings and camshafts

Will it help keep my engine clean and free of sludge?

The formulation includes deposit-control chemistry that reduces sludge and varnish build-up over time. Cleaner internals support consistent compression and combustion, helping maintain performance as miles accumulate.

• Effective sludge control at elevated operating temperatures
• Helps prevent sticky varnish that can impair valve and injector function
• Supports stable oil flow for reliable lubrication

How often do I need to change Castrol EDGE 10W-30?

The product is engineered for extended drain capability under typical conditions, with recommended change intervals guided by your vehicle manufacturer and driving habits. Castrol notes up to 20,000 miles between oil changes under specified conditions, or one year—whichever comes first.

• Extended drain potential reduces maintenance frequency when conditions allow
• Always follow manufacturer service intervals and monitor oil condition
• Severe driving (towing, track use, frequent short trips) may require shorter intervals

Which vehicles and specifications does this oil meet?

Castrol EDGE 10W-30 is suitable for a wide range of modern gasoline engines and meets current industry specs to ensure compatibility with many OEM requirements. It exceeds several API and ILSAC benchmarks to support performance and protection.

• Meets or exceeds API SQ/SP/SN PLUS/SN performance levels
• Approved to ILSAC GF-7 specification
• Suitable for engines calling for 10W-30 full synthetic oils

Who is this for? Castrol EDGE 10W-30 is aimed at drivers and fleet operators who want a high-performance full synthetic oil that balances wear protection, deposit control and thermal stability. It’s appropriate for everyday commuters, performance-minded drivers and vehicles that require a 10W-30 viscosity grade and modern API/ILSAC approvals. Always consult your owner’s manual to confirm the correct oil viscosity and specification for your engine.

• Key specs: 10W-30, full synthetic, 5 quart (4.73 L) bottle
• Performance highlights: enhanced wear protection, superior high-temperature stability, improved sludge control
• Service note: follow manufacturer intervals; up to 20,000 miles or one year in specified conditions