P23529921 Detroit Diesel 60 Series 12.7L Cylinder Head. 00971522105877 More Cylinder Heads of Caterpillar, Detroit, Cummins and Perkins are available. The item “P23529921 Detroit Diesel 60 Series 12.7L Cylinder Head” is in sale since Wednesday, October 25, 2017. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & […]