The Timken Seal, part number 39904 (also referenced as TB39904), is a genuine Timken sealing component for heavy-duty truck applications. Timken classifies this seal under miscellaneous truck parts, which includes transmission, clutch, and drivetrain components. If you are sourcing this seal for a specific axle, transmission, or drivetrain position and need help confirming the right fit, call Pro Gear and Transmission directly. Our staff can help identify the correct application before you order.
Features
Genuine Timken seal, part number 39904 or TB39904
Sold as an individual unit (each)
Applies to heavy-duty truck drivetrain components including transmissions and related assemblies
Call Pro Gear and Transmission to confirm fit for your specific application
