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The 2003 Dodge Ram 1500 uses 75w140 type fluid in its rear differential. Ensuring your tires are in top condition is crucial to avoid accidents. You may encounter issues with this component at some point, such as feathering or premature wearing. Watch out for cupping problems, and inspect for any punctures if you drive over a nail. The part may loosen over time, so it's important to regularly check the tire pressure. Eventually, you'll need to replace this component, and it's recommended to change your tires every 30,000 to 50,000 miles. Avoid road accidents by staying on top of tire maintenance.
Dodges suggests utilizing synthetic 75w140 for the rear differential fluid in the 2003 Dodge Ram 1500.
The recommended rear differential fluid type for a 2003 Dodge Ram 1500 is Mopar synthetic gear lubricant with an SAE rating of 75W140.