National 710046 Transfer Case Output Shaft Seal - Front

Overview of National Transfer Case Output Shaft Seal 710046

The National 710046 Transfer Case Output Shaft Seal is engineered to provide reliable sealing performance for transfer cases in select Chevrolet, Dodge, GMC, and Jeep vehicles. Designed with durable nitrile material and a clockwise-spiral lip design, this oil seal helps maintain proper lubrication and prevent leaks in demanding automotive applications.

• Inside diameter options: 1.552 inch (39.420 mm)
• Outside diameter: 2.452 inch (62.280 mm)
• Flanged outside diameter: 2.700 inch (68.580 mm)
• Thickness: 0.500 inch (12.700 mm) overall width with side lip
• Sealing material: Nitrile with Redicoat treatment
• Helix type: Clockwise-spiral lip design for effective sealing
• Compatible with transfer case housing bore of 2.447 inch (62.150 mm)

Detailed Product Description

The National 710046 transfer case output shaft seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear. The seal features a clockwise-spiral lip design that enhances sealing efficiency by directing contaminants away from the shaft and retaining lubricants within the transfer case. The Redicoat treatment adds an extra layer of corrosion resistance, extending the service life of the seal. With precise dimensions including a 1.552 inch inside diameter and a 2.452 inch outside diameter, this seal fits transfer case output shafts and housings accurately to ensure a secure fit and optimal performance.

Compatible Vehicles and Applications

This transfer case output shaft seal is compatible with a range of Chevrolet, Dodge, GMC, and Jeep models, including but not limited to:

• Chevrolet Blazer, S10, S10 Blazer, S15, S15 Jimmy, Sonoma
• Dodge Dakota, Durango, Ram 1500, Comanche
• GMC Jimmy
• Jeep Cherokee, CJ7, Grand Cherokee, Grand Wagoneer, Liberty, TJ, Wagoneer, Wrangler

Part number 710046 is designed specifically for transfer case sealing systems in these vehicles, ensuring proper fitment and function.

Common Issues Addressed by This Seal

• Prevents oil leaks from the transfer case output shaft
• Reduces contamination ingress that can damage internal components
• Maintains lubrication integrity for smooth transfer case operation
• Minimizes wear on the output shaft and housing bore
• Helps avoid costly transfer case repairs due to seal failure

Installation Notes and Tips

• Ensure the transfer case output 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
• Verify the seal’s orientation matches the clockwise-spiral lip design for correct sealing direction
• Inspect the shaft for wear or damage prior to installing the new seal
• Apply a light coating of compatible lubricant on the seal lip to ease installation and initial operation

Quality Assurance and Warranty

National transfer case output shaft seals, including part number 710046, are manufactured to meet industry standards for durability and performance. The use of nitrile material combined with Redicoat treatment ensures resistance to oil degradation and corrosion. While specific warranty details may vary, National products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product’s reliability for your Chevrolet, Dodge, GMC, or Jeep transfer case maintenance needs.