National 710058 Manual Transmission Output Shaft Seal

Overview of National 710058 Manual Transmission Output Shaft Seal

The National 710058 manual transmission output shaft seal is engineered to provide reliable sealing performance for a range of Chrysler, Dodge, Jeep, Mitsubishi, and Ram vehicles. Designed with durable nitrile material and precise dimensions, this oil seal helps maintain transmission integrity and prevent fluid leaks.

• Inside diameter: 1.937 inches (49.2 mm)
• Outside diameter: 2.566 inches (65.18 mm)
• Thickness/width: 0.317 inches (8.05 mm)
• Sealing material: Nitrile for resistance to oil and heat
• Redicoat surface treatment for enhanced durability
• Compatible with multiple models including Jeep Wrangler, Dodge Charger, Ram 1500, and Mitsubishi Mighty Max

Detailed Product Description and Specifications

This National 710058 output shaft seal is part of the 710000 series and is specifically designed for manual transmissions. The seal features a nitrile rubber compound known for its excellent resistance to petroleum-based fluids and high temperatures commonly found in transmission environments. The precise inside diameter of 1.937 inches (49.2 mm) and outside diameter of 2.566 inches (65.18 mm) ensure a secure fit within the housing bore, which measures approximately 2.562 inches (65.07 mm). The thickness of 0.317 inches (8.05 mm) provides a robust sealing surface to prevent oil leaks and contamination.

Compatible Vehicles and Applications

This output shaft seal is compatible with a variety of manual transmission vehicles, including but not limited to:

• Chrysler 300
• Dodge Charger, Dakota, Durango, Magnum, Nitro
• Jeep Cherokee, Grand Cherokee, Grand Wagoneer, Liberty, Wrangler, TJ
• Mitsubishi Mighty Max, Raider
• Ram 50, Ram 1500, Ram 2500, Ram 3500, Ramcharger
• W100, W150, W250, W350 series trucks

Common Issues Addressed by the National 710058 Seal

• Prevents manual transmission fluid leaks from the output shaft
• Reduces contamination ingress that can damage transmission components
• Maintains proper lubrication within the transmission system
• Helps avoid premature wear of output shaft bearings and gears
• Ensures consistent transmission performance and longevity

Installation Notes and Tips

• Verify the shaft and housing bore dimensions before installation to ensure proper fit
• Clean the sealing surfaces thoroughly to remove debris and old sealant
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Lubricate the seal lip with transmission fluid prior to installation to reduce initial wear
• Inspect the output shaft for wear or damage before installing the new seal

Quality Assurance and Warranty Information

Manufactured by National, a recognized brand in transmission sealing systems, the 710058 output shaft seal undergoes strict quality control to meet industry standards. The nitrile material and Redicoat treatment contribute to the seal's durability and resistance to common transmission fluids and operating conditions. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in product reliability.