National 710760 Manual Transmission Output Shaft Seal

Overview of National 710760 Manual Transmission Output Shaft Seal

The National 710760 manual transmission output shaft seal is engineered for reliable sealing performance in Chevrolet S10 and GMC Sonoma vehicles. Constructed from durable polyacrylate material, this oil seal is designed to maintain transmission fluid integrity and prevent leaks.

• Material: Polyacrylate for enhanced durability and resistance
• Inside Diameter: 1.502 inches (38.150 mm)
• Outside Diameter: 2.144 inches (54.450 mm)
• Thickness: 0.488 inches (12.400 mm)
• Helix Type: Counter-clockwise spiral lip design for effective sealing
• Overall Width with Side Lip: 1.079 inches (27.400 mm)
• Compatible with Chevrolet S10 and GMC Sonoma manual transmissions

Detailed Product Description

The National 710760 output shaft seal is specifically designed to fit the manual transmissions of Chevrolet S10 and GMC Sonoma models. Its polyacrylate construction offers resistance to heat and wear, ensuring a long service life. The seal features a counter-clockwise spiral lip design that enhances sealing efficiency by directing fluid back into the transmission housing, reducing the risk of leaks. With precise dimensions including a 1.502-inch inside diameter and a 2.144-inch outside diameter, this seal fits securely within the housing bore of 2.136 inches (54.250 mm), providing a tight and reliable seal around the output shaft.

Common Applications and Problem Solving

• Prevents transmission fluid leaks from the output shaft area
• Reduces contamination ingress into the manual transmission
• Helps maintain proper lubrication for transmission components
• Addresses wear-related seal failures in Chevrolet S10 and GMC Sonoma transmissions
• Minimizes risk of transmission damage due to fluid loss

Installation Notes and Tips

Ensure the transmission output shaft and housing bore are clean and free of debris before installation. Carefully align the National 710760 seal to avoid damage to the sealing lip. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal’s orientation matches the counter-clockwise spiral lip design for optimal performance.

Quality Assurance and Warranty

National manufactures the 710760 output shaft seal to meet industry standards for durability and fitment. The polyacrylate material and precise engineering contribute to consistent sealing performance. While specific warranty details are not provided, National products typically adhere to quality control processes to ensure reliability in Chevrolet S10 and GMC Sonoma manual transmissions.