Introduction
Choosing the correct oil for your vehicle is critical for engine longevity. Engine oil prevents overheating and engine damage. Using oil that suits your engine, you’ll prolong the life of your engine.

Consult the Owner’s John Deere Repair Manual (http://medium.com/@everymanuals.com) for Oil Specifications
Your car’s manufacturer provides recommendations for the ideal oil for your engine. It will suggest a specific oil grade based on the engine design. Using the recommended oil type will help avoid potential damage.

2. Consider Oil Viscosity
Viscosity refers to the oil’s thickness or ability to flow. Oils with lower viscosity ratings flow better in cold temperatures, while higher viscosity oils like 10W-40 work better in warm conditions. Check the recommended viscosity for your engine to ensure proper lubrication.

Know the Differences Between Synthetic and Conventional Oil
One of the key decisions when selecting oil is whether to use synthetic or non-synthetic oil. High-performance synthetic oils provide improved engine cleanliness, while non-synthetic oil is suitable for older cars. Whether you want better performance or cost savings will help you choose between synthetic and conventional oil.

Ensure the Oil Meets API Standards
Oil with the API certification ensures that the oil has been tested and meets the requirements for engine protection. Make sure the oil you use meets API standards to avoid using subpar oils that could damage your car.

Use High-Mileage Oil if Your Car Has Over 75,000 Miles
If your car has high mileage may benefit from high-mileage oil. High-mileage oils have ingredients that prevent leaks, reduce engine wear, and protect against sludge buildup.

Final Thoughts
Using the correct oil is important for engine longevity. By following manufacturer recommendations, choosing the right viscosity, and considering synthetic or high-mileage oils, you’ll ensure your engine stays well-lubricated and performs efficiently.