National 710118 Manual Transmission Output Shaft Seal - Left

Manual Transmission Output Shaft Seal for Nissan

National 710118 is a metric manual transmission output shaft seal built with nitrile sealing material for dependable fluid control at the transmission housing. It is specified for left-side applications across a wide range of Nissan, INFINITI, and Mercury vehicles, including Altima, Maxima, Sentra, Quest, X-Trail, I30, I35, and Villager models.

Key Features

• Part number 710118 manual transmission output shaft seal
• Nitrile sealing material for oil resistance in transmission service
• Metric dimensions: 39.000 mm shaft size, 59.300 mm outside diameter, 11.000 mm width
• Housing bore: 59.000 mm
• Overall width with side lip: 17.000 mm
• National oil seal series 710100
• Cross-reference: Beck/Arnley 052-3514

Detailed Description

National 710118 is an oil seal for manual transmission output shaft service, engineered around metric dimensions for a precise housing and shaft interface. The nitrile sealing material is selected for transmission fluid sealing performance, while the 39.000 mm inside diameter and 59.300 mm outside diameter help support proper fitment in the specified applications. This seal is used on left-side positions in vehicles such as the Nissan Altima, Nissan Maxima, Nissan Sentra, Nissan Quest, Nissan X-Trail, INFINITI I30, INFINITI I35, and Mercury Villager. If you are replacing a leaking manual transmission output shaft seal on a Nissan Altima or Nissan Maxima, part number 710118 provides the correct metric sealing dimensions for the listed transmissions.

What It Helps Fix

• Transmission fluid seepage at the output shaft
• Oil residue around the transmission housing
• Seal wear from age, heat, and mileage
• Fluid loss that can affect manual transmission operation
• Contamination entering the transmission through a worn seal

Installation Notes and Tips

Confirm the transmission code and side before installation, since this seal is listed for left-side applications and multiple transmission families. Measure the shaft and housing bore to verify the 39.000 mm shaft size and 59.000 mm housing bore match the vehicle application. Clean the sealing surface thoroughly, inspect the shaft for grooves or damage, and install the seal squarely to avoid premature wear. For Nissan Sentra, Altima, and Quest manual transmission service, matching the transmission type to the catalog listing is essential for correct fitment.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing products for modern vehicle service needs. Part number 710118 is part of National’s 710100 series and is built to meet the dimensional requirements listed for the confirmed applications.