This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Freightliner 114SD: 2018] - [Freightliner Business Class M2: 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Freightliner Century Class: 2010, 2011] - [Freightliner M2 100: 2005, 2006] - [Freightliner M2 106: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Freightliner M2 112: 2010, 2011, 2012, 2013] - [Freightliner M2: 2005, 2006, 2007, 2008, 2009, 2015, 2016, 2017, 2018] - [Thomas Saf-T-Liner: 2005, 2006, 2007, 2008, 2009, 2010] Technical Details Manufacturer ?Dorman Products Brand ?Dorman Model ?603-5202 Item Weight ?7.1 pounds Product Dimensions ?29.5 x 10.2 x 12.9 inches Country of Origin ?Taiwan Item model number ?603-5202 Exterior ?Machined Manufacturer Part Number ?603-5202 OEM Part Number ?575.1012; FRT1701C; S-20638; S20638; 05-21178-000; 05-23195-000; 05-23195-001; 0523195002; Z05-30740-000; Z05-30740-001