John DeereInternal Oil Seal – Spring Type: GarterPart No: AT26021

The John Deere Internal Oil Seal AT26021 is engineered for dependable leak protection and superior sealing performance in engines and hydraulic systems. Featuring a garter spring design, this seal maintains uniform pressure around the shaft, ensuring a tight, secure fit that prevents oil loss and contamination. Constructed from durable, heat- and oil-resistant materials, it provides excellent resilience against friction, high temperatures, and continuous use. The AT26021 helps maintain proper lubrication and pressure balance, reducing wear on critical components and extending system life. Ideal for agricultural, industrial, and construction equipment, this seal performs reliably in the most demanding environments. Easy to install and built for long service life, it ensures consistent, leak-free operation with minimal maintenance. Choose Doggett John Deere for precision-engineered replacement parts that deliver strength, protection, and performance—keeping your equipment running efficiently and reliably season after season.