Fit For the Following Models. For Freightliner 2004 and older 12.7 engine. Most common air compressor on Detroit Series 60 12.7 (PRE EGR) 2004 and older models. This listing is for TF-750 Series 60 Detroit Compressor. It is same as TU-FLO-550 just 750 is producing more air more CFM. Note: Please compare your item carefully with photo and OE Number to avoid mistake!! For HK/TW buyers, please notify us your government ID #. For BRA, AR, PER buyers, please leave us your CPF#, CUIT# or RUC# correspondingly. Our guarantee is only for the cost of the item, we will not be responsible for any other expenses such as installation, labor, towing, repair or any other related expenses.