Genuine Dana replacement part 3940001 – OEM O-ring (-177,9.487,.103) Nbr70 suitable for industrial maintenance and mechanical repair programs.

Produced according to Dana original equipment standards, this component is designed to support durability, accurate fitment, and dependable operating performance under demanding working conditions.

Appropriate for professional servicing, transmission rebuild work, and long-term maintenance operations.

- Genuine OEM Dana replacement part
- Global shipping support available
- Fast quotation and availability assistance
- Reliable fitment for Dana equipment systems

Contact us with your equipment or machine information to confirm compatibility.