For example, a water pump might look identical in the diagram between two iterations, but the shaft diameter might vary by a few millimeters. Ordering the wrong part because you ignored the serial number range can lead to delays, restocking fees, and continued downtime.

The first section of the PDF will list the Group Numbers.

Doosan P086TI is a heavy-duty, 8.1-liter, 6-cylinder in-line diesel engine widely utilized in power generation and industrial applications. A comprehensive parts catalog

organizes components into functional groups to streamline requisition: Maintenance Kits : Includes cartridge-type oil and fuel filters

A genuine catalog is organized logically. When you open the PDF, you should expect to see the following sections or diagrams:

A parts catalog, often referred to as a parts book or illustrated parts list, is a detailed inventory document published by the manufacturer. Unlike a service or repair manual, which instructs you on how to fix a component, a parts catalog tells you what the component is and how it fits together.