The product is a Lifter Retainer Plate for an 88-94 Ford F250 F350 7.3 IDI Diesel Engine. It is a genuine Ford part with the OE/OEM Part Number 1804358C1. This non-turbo lifter retainer plate is designed for use in Ford, Navistar, and International trucks with 6.9L and 7.3L diesel engines, specifically for models from 1983 to 1994. This high-quality replacement part ensures proper functionality and performance of the diesel engine.