National 711048 Axle Output Shaft Seal - Front Left

Overview of National 711048 Axle Output Shaft Seal

The National 711048 axle output shaft seal is engineered to provide reliable sealing performance for driveline applications. Designed with a counter-clockwise-spiral lip and constructed from durable polyacrylate material, this oil seal is compatible with select Chrysler, Dodge, and Mercedes-Benz models.

• Material: Polyacrylate for enhanced durability and resistance
• Helix Type: Counter-clockwise-spiral lip design for effective sealing
• Housing Bore Diameter: 1.850 inches (47.000 mm)
• Outside Diameter: 1.858 inches (47.200 mm)
• Shaft Diameter: 1.181 inches (30.000 mm)
• Width: 0.315 inches (8.000 mm)
• Series: 711000
• Part Type: Axle output shaft oil seal

Technical Details and Specifications

The National 711048 axle output shaft seal is part of the 711000 series, designed specifically for driveline and axle sealing systems. Its polyacrylate construction offers resistance to heat and wear, making it suitable for demanding automotive environments. The counter-clockwise-spiral lip design helps maintain a secure seal around the axle shaft, preventing oil leaks and contamination. With precise dimensions including a 1.850-inch housing bore and a 1.181-inch shaft diameter, this seal fits tightly to ensure optimal performance.

Compatible Vehicles and Applications

This axle output shaft seal is compatible with various Chrysler, Dodge, and Mercedes-Benz vehicles. It is suitable for models such as the Chrysler 300, Dodge Charger, Dodge Magnum, and Mercedes-Benz C240, C280, C320, C350, E320, E350, E500, S430, and S500. The part number 711048 ensures correct fitment for these specific applications, providing a reliable replacement for worn or damaged seals.

Common Issues Addressed by the National 711048 Seal

• Prevents oil leaks from the axle output shaft
• Protects driveline components from dirt and debris contamination
• Reduces wear on axle shafts by maintaining proper lubrication
• Helps maintain driveline efficiency and performance
• Minimizes risk of seal failure under high temperature and pressure conditions

Installation Notes and Tips

When installing the National 711048 axle output shaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the lip. Verify the seal orientation matches the counter-clockwise-spiral lip design for proper sealing function. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures the 711048 axle output shaft seal to meet industry standards for durability and performance. The polyacrylate material and precision design contribute to long service life in automotive driveline applications. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the part's quality and reliability.