John DeereScrew PlugPart No: AT398751

The John Deere Screw Plug (AT398751) is designed to deliver a secure, leak-resistant seal in hydraulic and fluid systems, ensuring reliable performance under pressure. Crafted from durable, corrosion-resistant materials, this plug provides exceptional strength and longevity even in high-stress agricultural and construction environments. Its precision-machined threads allow for a tight, consistent fit that prevents fluid loss and contamination, helping maintain system efficiency. Easy to install and remove, the AT398751 offers dependable sealing for fluid ports, maintenance access points, and hydraulic components. Whether you’re performing system repairs or conducting routine maintenance, this part supports long-term reliability and reduced downtime. Designed for heavy-duty applications, it withstands temperature fluctuations and vibration without compromising integrity. Choose Doggett John Deere for trusted replacement parts that combine quality craftsmanship with proven performance—keeping your equipment sealed, protected, and running smoothly in the field or on the job site.