National 710441 Manual Transmission Output Shaft Seal - Rear

Overview of National 710441 Manual Transmission Output Shaft Seal

The National 710441 manual transmission output shaft seal is engineered to provide reliable sealing performance for select Chevrolet, Ford, Isuzu, and Pontiac vehicles. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain transmission integrity and prevent fluid leaks.

• Inside diameter: 1.484 inches (37.7 mm)
• Outside diameter: 2.388 inches (60.65 mm)
• Flanged outside diameter: 2.913 inches (74 mm)
• Thickness: 0.433 inches (11 mm)
• Material: Polyacrylate sealing compound
• Overall width with side lip: 1.508 inches (38.3 mm)
• Compatible with Chevrolet Camaro, Ford Aerostar, Isuzu Rodeo, Pontiac Firebird, and more

Technical Description and Specifications

This National 710441 output shaft seal is part of the 710400 series and is specifically designed for manual transmissions. The seal features a polyacrylate sealing material known for its resistance to heat and transmission fluids, ensuring long-lasting performance. The precise inside diameter of 1.484 inches (37.7 mm) fits the output shaft snugly, while the outside diameter of 2.388 inches (60.65 mm) and flanged outside diameter of 2.913 inches (74 mm) provide a secure fit within the housing bore of 2.375 inches (60.33 mm). The thickness of 0.433 inches (11 mm) and overall width with side lip of 1.508 inches (38.3 mm) contribute to effective sealing and durability under operating conditions.

Compatible Vehicles and Applications

This manual transmission output shaft seal is compatible with a range of vehicles, including:

• Chevrolet Camaro
• Ford Aerostar and Pickup
• Isuzu Amigo and Rodeo
• Pontiac Firebird

It is designed to replace worn or damaged seals in these models, helping to maintain proper transmission fluid containment and prevent contamination.

Common Issues Addressed by the National 710441 Seal

• Prevents transmission fluid leaks from the output shaft area
• Reduces risk of contamination entering the transmission
• Minimizes wear on transmission components caused by fluid loss
• Helps maintain proper transmission pressure and performance
• Prevents damage to the output shaft and surrounding housing

Installation Notes and Tips

When installing the National 710441 output shaft seal, ensure the following:

• Clean the housing bore thoroughly to remove debris and old sealant
• Verify the shaft and bore dimensions match the seal specifications
• Use appropriate tools to press the seal evenly into the housing without distortion
• Apply a light coating of transmission fluid or compatible lubricant to the seal lip before installation
• Inspect the seal after installation for proper seating and alignment

Quality Assurance and Warranty

National manufactures the 710441 output shaft seal to meet industry standards for durability and performance. The polyacrylate material offers resistance to heat and transmission fluids, contributing to a reliable seal life. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.