The 3.8L engine holds five quarts of 5W20 engine oil.
The 2010 Jeep Wrangler runs on regular unleaded.
A 2008 Jeep Wrangler uses 5W20 engine oil.
10w30
10W30
10w30
10w30
10w30
10w30
10w30
Mopar 5W20
10w3010w30
You would use the same oil filter for both synthetic an d regular oil in your jeep.