change plugs and oil and filter change

Regular engine oil is fine. MOPAR® API Certified SAE 5W-20 engine oil, meeting the requirements of Chrysler Material Standard MS-6395.. 5 quarts with filter change. Spark plugs for this engine are Platinum type and are generally replaced at 60K intervals. Here is an estimator guide for prices in your area: https://repairpal.com/estimator/dodge/caravan