USGI M54 M809 M939 Oil Seal Army 11669023 Meritor A-1205-U-1737 Spicer 127719

Description:

The USGI 11669023 Oil Seal is used in military drivetrain systems to prevent lubricant leakage and protect critical rotating components from external contaminants. Commonly utilized on M54, M809, and M939 Series military trucks, this seal is designed for transmission, transfer case, and differential pinion applications where dependable sealing performance is essential under demanding operating conditions. Maintenance teams rely on this oil seal to support preventive maintenance programs, restore sealing integrity, and minimize vehicle downtime during drivetrain service and overhaul activities.

Applications:

The USGI 11669023 Oil Seal is used in military vehicle applications requiring reliable sealing performance and lubricant retention. It supports transmission, transfer case, and front or rear differential pinion maintenance on M54, M809, and M939 Series trucks to help maintain driveline reliability and equipment readiness.

Technical Specifications:

• Manufacturer Part Number (MPN): 11669023
• Brand: USGI
• Product Type: Oil Seal
• Alternate Part Number: A-1205-U-1737
• Cross Reference Part Number: 127719
• NSN: 5330-01-023-0269
• Vehicle Compatibility: M54, M809, M939 Series Trucks
• Installation Locations: Transmission, Transfer Case, Differential Pinion
• Differential Application: Front and Rear Axles
• Outside Diameter: 4.330 in
• Inside Diameter: 2.938 in
• Thickness: 0.803 in
• Function: Lubricant retention and contaminant exclusion
• Typical Use: Drivetrain maintenance and repair

Common Replacements:

• Meritor A-1205-U-1737 Oil Seal
• Spicer 127719 Oil Seal
• Military Drivetrain Oil Seal