The oil types on the 2005 Chrysler 300C are 10W-30, 10W-40, 15W-40, and 15W-30 for all temperatures. In winter, You can use 5W-30, 5W-40, and 0W-30. In the summertime, You can use 20W-40, 20W-30, 25W-30, and 25W-40. Some of the products that You can use are Pennzoil High Mileage Conventional Motor Oil 10W-30 or Valvoline SynPower Synthetic Motor Oil 10W-30. If You want to know what the capacity is on this vehicle, it iS6 US quarts with a filter. It's important to protect the life of Your motor and to do that You must take good care of its oil. To take good care of it You need to replace it when it is due and top it off when the level gets too low.
Charlie Watson
November 5, 2021
On an '05 Chrysler 300c the oil cap, the manual and my Hemi guy says 5w20 year round.
Jorge R.
April 9, 2020
You will need to use 6 quarts of 10w-30 motor oil for a 2005 chrysler 300c.
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