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Key TakeawayHigh-Temperature Stability: Shell 20W50 provides excellent stability at high temperatures, making it ideal for heavy-duty engines and vehicles operating in warm climates.Enhanced Engine Protection: This oil offers superior wear protection, reducing friction and extending engine life, particularly for older or high-mileage engines.Optimal Viscosity for Versatile Applications: With a 20W50 viscosity grade, it provides balanced flow and protection in both cold and warm conditions, …