Below are the AMSOIL oil and filter recommendations for your 2013 Jeep Wrangler Unlimited 3.6L 6-cyl engine:
2013 JEEP WRANGLER 3.6L 6-cyl Engine Code [G] ERB
The 3.6L V6 with aluminum block and aluminum heads puts out 285 horsepower with 260 foot-pounds of torque. AMSOIL synthetic motor oil is an excellent choice to provide long life and top performance in your Jeep Wrangler Unlimited.
Here is what you need:
You need 5.9 quarts of AMSOIL Premium API CJ-4 Synthetic 5W-30 Motor Oil which you can learn more about here: AMSOIL synthetic motor oil 5W20
You need a glass-enhanced media oil filter for your Jeep which is part number: 57526
To learn how to get wholesale dealer pricing and fastest and easiest location to get AMSOIL for your Jeep Wrangler Unlimited go to: Where can I buy AMSOIL for Jeep Wrangler Unlimited