Chrysler 300c Coolant Expansion Recovery Tank (suits saloon & tourer models 2005 > 2010)
Chrysler 300c Coolant Expansion Recovery Tank / Bottle - New Genuine OEM part by Mopar - 4596466AG / 04596466AF
Fits 300c Gen 1 saloon and tourer models (2005 to 2010) 3.0 CRD, 3.5L V6, 5.7L Hemi, 6.1L SRT8.
Don't chance a second hand one. A common fault with these tanks (and as you may be experiencing) is that the collar neck seam deteriorates leading to leak, usually showing itself as cal/water deposit splashes around bottle area. A second hand one may already have a leak or may develop one quickly.
Out of Stock
Photo for illustration purposes, actual item may differ.