Genuine Detroit Diesel Allison oil cooler core assembly, part number 8528885. 16-plate stacked cooler core design used on various Detroit Diesel 2-cycle engine applications. Original OEM Detroit Diesel Allison part in factory packaging. Detroit Diesel 53 Series. Detroit Diesel 71 Series. Detroit Diesel 92 Series. Interchange / Related Numbers. 8547547 supersedes 8528885 on some applications. Fits various industrial, marine, generator, construction equipment, and heavy truck applications using Detroit Diesel engines. OEM oil cooler core assembly. Original Detroit Diesel Allison box. New old stock component with heavy outer box wear from long-term storage. Cooler itself appears unused with minor shelf marks only. Please review all photos for the most accurate view. ? Have questions or want extra pics??? Thanks for visiting Betterwithage88! Follow our store for vintage finds, rare collectibles, and sale events. Please note: if there is a box, it may show shelf/storage wear from being held in stock please inspect photos for details. If there is no box pictured, then there is no box included.