National 710874 Drive Axle Shaft Seal - Front

Overview of National 710874 Drive Axle Shaft Seal

The National 710874 drive axle shaft seal is engineered for reliable sealing performance in Dodge Ram 1500, 2500, and 3500 models. Designed with precision dimensions and durable fluoro-elastomer material, this oil seal helps maintain driveline integrity and prevent leaks.

• Inside diameter: 1.453 inches (36.9 mm)
• Outside diameter: 2.851 inches (72.41 mm)
• Width: 1.268 inches (32.2 mm)
• Material: Fluoro-elastomer for enhanced chemical and temperature resistance
• Compatible with Dodge Ram 1500, 2500, and 3500 series
• Part number: 710874, part of the 710800 series

Detailed Product Description

This National drive axle shaft seal (part number 710874) is specifically designed to fit the axle shafts of Dodge Ram 1500, 2500, and 3500 trucks. The seal features a fluoro-elastomer construction, which offers superior resistance to oil, heat, and wear compared to standard rubber seals. With an inside diameter of 1.453 inches and an outside diameter of 2.851 inches, it fits precisely within the housing bore of 2.843 inches (72.2 mm), ensuring a tight seal around the axle shaft. The 1.268-inch thickness provides durability and helps maintain proper sealing pressure under various operating conditions.

Common Applications and Problem Solving

• Prevents oil leaks from the drive axle housing
• Protects axle bearings from contamination
• Maintains proper lubrication within the driveline system
• Reduces risk of axle shaft damage due to seal failure
• Helps avoid costly drivetrain repairs caused by fluid loss

Installation Notes and Tips

• Ensure the axle shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Lubricate the seal lip with clean gear oil prior to installation to reduce initial wear
• Verify correct orientation of the seal to prevent leaks
• Inspect the axle shaft for wear or damage before installing the new seal

Quality Assurance and Warranty

National drive axle shaft seals are manufactured to meet OEM specifications for fit and function. The fluoro-elastomer material ensures long-lasting performance under demanding conditions. While specific warranty details may vary, National products typically come with a limited warranty against defects in material and workmanship. Refer to the product documentation for exact warranty terms.