National 710472 Engine Crankshaft Seal - Front

National 710472 Engine Crankshaft Seal Overview

The National 710472 engine crankshaft seal is designed to provide reliable sealing performance for various Chrysler, Dodge, Jeep, Mitsubishi, and Ram vehicles. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 1.811 inches (46.000 mm)
• Outside diameter: 2.840 inches (72.140 mm)
• Thickness: 0.335 inches (8.500 mm)
• Overall width with side lip: 0.386 inches (9.800 mm)
• Material: Polyacrylate for enhanced durability
• Helix type: Counter-clockwise spiral lip design for effective sealing
• Housing bore: 2.835 inches (72.000 mm)
• Compatible with multiple vehicle models including Ram 1500, Jeep Grand Cherokee, Dodge Durango, and more

Detailed Product Description and Specifications

The National 710472 crankshaft seal is part of the 710400 series, crafted to meet the demanding requirements of engine sealing systems. Its polyacrylate material offers resistance to heat and oil degradation, ensuring long-lasting performance. The seal features a counter-clockwise spiral lip design that enhances sealing efficiency by directing oil back into the engine, reducing leakage risks. With precise dimensions including a 1.811-inch inside diameter and a 2.840-inch outside diameter, this seal fits securely within the housing bore of 2.835 inches, providing a tight and reliable fit.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of vehicles, including:

• Chrysler Aspen
• Dodge Dakota, Durango, Nitro
• Jeep Commander, Grand Cherokee, Liberty
• Mitsubishi Raider
• Ram 1500

It is specifically designed to replace worn or damaged seals in these models, helping maintain engine oil containment and preventing contamination.

Common Issues Addressed by National 710472 Seal

• Prevents oil leaks around the crankshaft area
• Reduces engine oil contamination and loss
• Minimizes risk of engine damage due to oil leakage
• Maintains proper engine pressure and lubrication
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

• Ensure the crankshaft and housing bore are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the counter-clockwise spiral lip design for optimal performance
• Check for proper fitment with the 1.811-inch shaft diameter and 2.835-inch housing bore
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The 710472 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.