Details

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Amsoil OE 5W-40 100% Synthetic Motor Oil – 1 Gallon (3.78L)
Premium full synthetic engine oil engineered to deliver superior wear protection, engine cleanliness, and performance in high-temperature or high-mileage conditions. Ideal for drivers who want OEM-recommended drain intervals with genuine synthetic protection.

Key Features:
✅ 100% Synthetic Formula – Resists breakdown and heat under severe driving conditions
✅ Exceeds dexos1® Gen 2 standards – Ideal for turbocharged and direct-injection engines
✅ LSPI Protection – Reduces risk of pre-ignition in low-speed, high-load conditions
✅ Excellent Cold-Start Protection – Flows quickly in cold weather to prevent dry starts
✅ Compatible with OEM oil life monitoring systems
✅ Designed for vehicles requiring 5W-40 or where 5W-40 is a better alternative to 5W-30

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🛠 5W-40 vs. 5W-30 – Which One Should You Choose?

While 5W-30 is commonly recommended for many modern engines, 5W-40 offers several advantages in specific situations:

✅ Benefits of 5W-40:

• Enhanced Lubrication: Better protection at higher engine temperatures

• Reduced Wear: Ideal for high-mileage or older engines

• Improved Oil Delivery: Ensures faster lubrication under startup and stress

✅ When to Consider 5W-40:

• Older vehicles (typically over 10 years old)

• High-mileage engines (over 160,000 km / 100,000 miles)

• If your vehicle experiences oil consumption or burning

• Hot climates or stop-and-go driving

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Specifications:

• Viscosity: SAE 5W-40
• Type: 100% Fully Synthetic
• Quantity: 1 Gallon (3.78L)
• Application: Gasoline engines
• Meets/exceeds OEM requirements for applicable models

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🔧 Service Interval:

Follow your vehicle manufacturer’s recommended service interval or change based on oil life monitoring system. Always replace oil filter during each oil change.