National 471344 Manual Transmission Output Shaft Seal

Manual Transmission Output Shaft Seal for Reliable Sealing

The National 471344 manual transmission output shaft seal is built for applications that need a precise seal at the transmission output shaft. Made with nitrile and Redicoat protection, it is designed to help maintain proper fluid retention at the housing bore and shaft interface.

For drivers and technicians servicing manual transmission leaks, this oil seal offers the dimensions and material profile needed for a direct replacement-style repair. National 471344 is a practical choice for manual transmission output shaft seal service on select vehicle applications.

Key Features

• Manual transmission output shaft seal for transmission sealing service
• Nitrile sealing material for fluid resistance
• Inside diameter: 1.500 in. / 38.100 mm
• Outside diameter: 2.445 in. / 62.100 mm
• Width: 0.375 in. / 9.530 mm
• Housing bore: 2.441 in. / 62.000 mm
• Redicoat finish for improved sealing contact
• Zero duplication part designation
• Series 470000, Type 47 oil seal

Detailed Description

National 471344 is a manual transmission output shaft oil seal engineered around the listed shaft and housing dimensions for accurate fitment at the transmission case. The nitrile construction supports sealing performance in transmission fluid environments, while the Redicoat surface treatment helps promote consistent contact during installation and operation. This part is identified as a zero duplication part and belongs to National’s 470000 series.

National has focused on sealing solutions for decades, and this part reflects that experience with a straightforward OE-style service design. When replacing a worn output shaft seal on a manual transmission, National 471344 helps restore the sealing interface needed for clean operation. It is a relevant replacement for manual transmission service on select make/model applications, including vehicle searches for transmission output shaft seal, manual transmission oil seal, and National 471344.

This part cross-references Bosch 15092 and Continental 63304 for the same application.

What This Part Helps Address

• Transmission fluid seepage at the output shaft
• Oil residue around the manual transmission housing bore
• Seal wear from age, heat, and shaft movement
• Leak-related clutch or driveline contamination
• Service replacement for a damaged output shaft oil seal

Installation Notes and Tips

Confirm shaft diameter, housing bore, and seal width before installation. Clean the bore and shaft surface thoroughly, and inspect for scoring or wear that could affect sealing. Proper alignment during installation is important to avoid damaging the nitrile lip or distorting the seal body. Verify the transmission application against the vehicle’s service information before final assembly.

Fits select manual transmission applications by shaft and housing dimensions; use the listed measurements to confirm compatibility with the specific vehicle and transmission configuration. Search terms such as manual transmission output shaft seal, transmission oil seal, and National 471344 are commonly used for this type of repair.

Quality Assurance

National is recognized for premium sealing solutions and long-standing engineering support in the automotive sealing category. The 471344 seal is built to the listed dimensional specifications and material type for service replacement use.