The Detroit 5152987 is a genuine OEM hexagon head cap screw, specifically designed for secure fastening within Detroit Diesel DD13, DD15, and DD16 engines. Manufactured from high-strength steel with a Grade 10.9 rating, this durable screw features an M8x1.25 thread size and an overall length of 31.75mm (1.25 inches). Its external hexagon head ensures reliable installation and removal, making it an essential component for engine maintenance and repair.