The Keestrack 105691 is an authentic inner air filter designed to provide superior air filtration for various Deutz engines, specifically the TCD2012 L04 2V, TCD2012 L06 2V, TCD2013 L04 2V, and TCD2013 L06 2V models. This essential component ensures clean air intake, protecting engine components from harmful contaminants and maintaining peak performance. With precise dimensions (70mm outer diameter, 50mm inner diameter, 290mm height), it offers a perfect fit and reliable operation. It cross-references with Deutz 04297839, Donaldson P822258, Hifi SA16474, and MANN CF700.