Description:

Replacement Coolant Overflow Reservoir Tank - The coolant tank contains coolant fluid that is discharged from the cooling system attached to the engine. Pressure builds up and released when the coolant is hot and expanding through the radiator and when the engine cools down, the excess fluid flows back into the radiator from the coolant tank of your vehicle.. Compatible Replacement for Kenworth & Peterbilt Trucks - 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 W900 & T800 08, 09, 10, 11, 12, 13, 14, 15, 16, 17 T660 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 389 08, 09, 10, 11, 12, 13, 14, 15 388 2008-2016 386 2008-2014 385 2008-2016 384 2008-2017 382 2008-2014 377 2008-2018 367 2008-2018 365 2010-2016 348 .. Replaces Part# 603-5403, N5346001, T1673008 commonly found on popular W900, T800, T660, T600, 389, 388, 386, 385, 384, 382, 377, 367, 365, 348 vehicles including models 08, 09, 10, 11, 12, 13, 14, 15, 16 17, 18, 19. The coolant reservoir tank can easily be located on the engine bay mounted on the engine near and connected to the radiator. If you are experiencing leaks, low level of coolant and overheating engine then you may have a problem with your coolant reservoir tank.. OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement and will look, fit and work exactly like the factory part. Coolant reservoir tank's common issue is leakage that can cause overheated engine. Safely turn off the engine and let the temperature drop before opening the radiator's cap or the coolant tank to reduce and release the pressure out safe..