National 710615 Engine Crankshaft Seal - Front

Overview of National Engine Crankshaft Seal 710615

The National 710615 engine crankshaft seal is designed to provide reliable sealing performance for various vehicle models including Dodge, Hyundai, Jeep, Kia, Lexus, and Toyota. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 1.693 inches (43.000 mm)
• Outside diameter: 2.374 inches (60.300 mm)
• Thickness: 0.276 inches (7.000 mm)
• Material: Durable fluoro-elastomer for high resistance to heat and chemicals
• Helix type: Clockwise-spiral lip design for effective sealing
• Housing bore diameter: 2.362 inches (60.000 mm)
• Compatible with multiple makes and models including Toyota 4Runner, Hyundai Elantra, Jeep Compass, and Lexus GS400

Technical Details and Material Specifications

The National 710615 crankshaft seal is constructed from fluoro-elastomer, a material known for its excellent resistance to engine oils, heat, and chemical exposure. The seal features a clockwise-spiral lip design that enhances sealing efficiency by directing contaminants away from the shaft. With an inside diameter of 1.693 inches and an outside diameter of 2.374 inches, this seal fits shafts and housings precisely, ensuring minimal oil leakage. The thickness of 0.276 inches provides a robust barrier while maintaining flexibility for installation.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with a range of vehicles, including popular models such as the Toyota 4Runner, Land Cruiser, and Tundra; Hyundai Elantra, Sonata, and Santa Fe; Jeep Compass and Patriot; Kia Forte, Optima, and Sportage; as well as Lexus GS400, LS400, and GX470. The part number 710615 is specifically designed to meet the sealing requirements of these vehicles, ensuring proper fit and function.

Common Issues Addressed by the National 710615 Seal

• Prevents oil leaks around the crankshaft area
• Reduces contamination ingress into the engine
• Maintains engine oil pressure and performance
• Protects against premature wear of engine components
• Helps avoid costly engine repairs due to seal failure

Installation Notes and Tips

When installing the National 710615 crankshaft seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal performance. Lubricate the seal lip lightly with clean engine oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty Information

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The 710615 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. This product is backed by National's warranty coverage, which protects against defects in material and workmanship under normal use conditions. Refer to the warranty documentation for detailed terms and conditions.