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The Nissan Frontier requires 2 quarts of 75W-85 gear oil for its rear differential. The gear oil is thicker than regular engine oil, as it needs to withstand high temperatures in the tight space where the gears are located. Using a thicker oil ensures proper protection for the gears, preventing breakdown. Keeping the differential gears clean and well-lubricated is crucial, as they are the last set of gears the engine power goes through before reaching the wheels. If any of these gears were to become damaged, the vehicle would not be drivable.
The 2019 Nissan Frontier can hold up to 2 quarts of rear differential fluid.
Newest information! 2 quarts of 75W140 oil are required as recommended in the 2020 model owner's manual. This update is accurate as of August 28, 2022.