Home/Shop by Part/Engine & Engine Management/Belts and Engine Timing/Serpentine Belt Tensioner Narrow The Number Of Models Shown By Telling Us The Year Filter Models by Year 2014 2017 2016 2015 2014 2013 2012 2011 Choose your Freightliner Model M 2014 MT45 Serpentine Belt Tensioner 2014 MT55 Serpentine Belt Tensioner