The DEUTZ-FAHR 4257692 main bearing bolt, also identified as a crankshaft bearing cap screw, is an original equipment manufacturer (OEM) component designed for securing the crankshaft main bearing caps in Deutz 912, 913, and 914 series engines. This essential engine part features an M14x1.5 thread, a length under head of 100mm, and requires a 19mm wrench for proper installation. Weighing approximately 0.12 kg, this bolt ensures reliable and precise fitment for critical engine applications.