2004 Jeep Wrangler: What is the oil type and capacity?

When equipped with the 2.4-liter inline-4 engine, the 2004 Jeep Wrangler takeS3.78 liters (4 quarts) of 5W-30 motor oil The available 4.0-liter V6 getS5.7 liters (6.0 quarts) of 10W-30. Both of these oil types are synthetic. The biggest difference is that during cold startups, the 5W-30 moves a bit faster than the 10W-30. However, at operating temperatures, they will pretty much flow and protect the same. Jeep recommends changing the fluid in the Wrangler every 5,000 miles or 6 months, whichever comes first. This is a little more frequent than recommendations for other vehicles primarily because this model is made for off-roading. If You don't typically drive in dusty conditions, You might be able to go a bit longer between maintenance appointments. The average cost to change this fluid in the Wrangler is $140 to $160, including labor.