National 711049 Axle Output Shaft Seal - Front Right

Overview of National 711049 Axle Output Shaft Seal

The National 711049 axle output shaft seal is engineered for reliable sealing performance in driveline applications. Designed with a clockwise-spiral lip, this oil seal is compatible with select Chrysler, Dodge, and Mercedes-Benz models, ensuring proper fit and function.

• Clockwise-spiral lip design for effective sealing
• Housing bore diameter: 2.047 inches (52.000 mm)
• Outside diameter: 2.055 inches (52.200 mm)
• Shaft diameter: 1.496 inches (38.000 mm)
• Width: 0.276 inches (7.000 mm)
• Constructed from durable fluoro-elastomer material
• Part of the 711000 series for consistent quality

Technical Details and Specifications

The National 711049 axle output shaft seal features a fluoro-elastomer construction, providing resistance to heat, oil, and wear commonly encountered in driveline environments. Its clockwise-spiral lip design helps maintain a secure seal around the axle shaft, preventing oil leaks and contamination. The seal fits a housing bore of 2.047 inches (52 mm) and an axle shaft diameter of 1.496 inches (38 mm), with an overall width of 0.276 inches (7 mm). The outside diameter measures 2.055 inches (52.2 mm), ensuring a precise fit within the axle assembly.

Compatible Vehicles and Applications

This axle output shaft seal is compatible with various Chrysler, Dodge, and Mercedes-Benz models, including the Chrysler 300, Dodge Charger, Dodge Magnum, and Mercedes-Benz C240, C280, C320, C350, E320, E350, E500, S430, and S500. The part number 711049 is designed to meet the specific sealing requirements of these vehicles, making it suitable for driveline maintenance and repair.

Common Issues Addressed by the National 711049 Seal

• Prevents oil leaks from axle output shafts
• Reduces contamination ingress into driveline components
• Minimizes premature wear of axle bearings and seals
• Maintains proper lubrication within the axle assembly
• Helps avoid driveline noise caused by seal failure

Installation Notes and Tips

When installing the National 711049 axle output shaft seal, ensure the housing bore and shaft dimensions match the specified measurements for optimal fit. Clean the sealing surfaces thoroughly before installation to prevent debris from compromising the seal. Use appropriate tools to press the seal evenly into the housing bore without damaging the lip. Verify the clockwise-spiral lip orientation aligns with the shaft rotation direction to maintain effective sealing.

Quality Assurance and Warranty

National manufactures the 711049 axle output shaft seal to meet industry standards for durability and performance. The fluoro-elastomer material and precise engineering contribute to long service life under normal operating conditions. This part is backed by National's quality assurance protocols, ensuring consistent reliability. Please refer to National's warranty terms for specific coverage details.