This heavy-duty drain plug is specifically designed for Freightliner Cascadia and Sterling L9501 models, featuring precise engineering for a secure fit. The robust construction measures 4.425 inches in total length, with varying outer diameter measurements of 0.687", 1.16", 0.838", and 0.788" across different sections of the plug. The stepped design ensures proper sealing and prevents leaks during operation. This replacement part is manufactured to meet exact specifications, making it a reliable choice for maintenance and repair needs. The durable black finish provides excellent resistance to wear and corrosion, while the threaded design allows for easy installation and removal during routine maintenance. Perfect for fleet maintenance professionals and repair shops servicing Freightliner vehicles.