National 711066 Drive Axle Shaft Seal - Rear

Overview of National 711066 Drive Axle Shaft Seal

The National 711066 drive axle shaft seal is engineered to provide reliable sealing performance for select Cadillac, Pontiac, and Saturn vehicles. Designed with precision dimensions and durable fluoro-elastomer material, this oil seal helps maintain driveline integrity and prevent fluid leaks.

• Flanged outside diameter: 2.598 inches (66.0 mm)
• Housing bore diameter: 2.362 inches (60.0 mm)
• Outside diameter: 2.370 inches (60.2 mm)
• Shaft diameter: 1.181 inches (30.0 mm)
• Seal width: 0.374 inches (9.5 mm)
• Material: Fluoro-elastomer for enhanced chemical and temperature resistance
• Part number: 711066, part of the 711000 series

Detailed Product Description

The National 711066 drive axle shaft seal is specifically designed to fit the driveline and axle assemblies of Cadillac CTS, SRX, STS, Pontiac Sky and Solstice, and Saturn models. Constructed from fluoro-elastomer, this oil seal offers excellent resistance to heat, oil, and other automotive fluids, ensuring long-lasting performance under demanding conditions. The precise flanged outside diameter of 2.598 inches (66 mm) and housing bore of 2.362 inches (60 mm) provide a secure fit to prevent leaks and contamination. With a shaft diameter of 1.181 inches (30 mm) and a width of 0.374 inches (9.5 mm), this seal maintains proper sealing pressure on the axle shaft to protect internal components.

Applications and Problem Solving

This drive axle shaft seal is used to maintain the integrity of the axle assembly by preventing oil leaks and contamination ingress. It addresses common issues such as:

• Preventing oil leaks from the axle housing
• Reducing contamination from dirt and debris entering the driveline
• Maintaining proper lubrication of axle components
• Minimizing premature wear of axle shafts and bearings
• Ensuring consistent driveline performance in Cadillac CTS, Pontiac Sky, and Saturn Solstice vehicles

Installation Notes and Tips

When installing the National 711066 drive axle shaft seal, ensure the following for optimal performance:

• Clean the housing bore and shaft thoroughly before installation
• Inspect the axle shaft for wear or damage and replace if necessary
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Verify the seal is seated flush with the housing to prevent leaks
• Lubricate the seal lip lightly with clean oil before installation to reduce initial wear

Quality Assurance and Warranty

National manufactures the 711066 drive axle shaft seal to meet strict OEM specifications for fit, form, and function. The fluoro-elastomer material is selected for durability and resistance to automotive fluids and temperature extremes. This part is backed by National's quality standards to ensure reliable sealing performance in Cadillac CTS, Pontiac Sky, Saturn Solstice, and related models. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.