National 224020 Manual Transmission Output Shaft Seal - Front

Manual Transmission Output Shaft Seal for Toyota and Lexus

National 224020 is a metric manual transmission output shaft seal built with a polyacrylate sealing material and a clockwise-spiral lip design. It is sized for a 40.000 mm shaft and a 55.280 mm outside diameter, making it a direct service part for a wide range of Toyota, Lexus, and select import manual transmission applications.

Key Features

• Part number 224020 manual transmission output shaft seal
• Polyacrylate sealing material for transmission oil sealing
• Clockwise-spiral lip design for controlled sealing action
• Metric dimensions: 40.000 mm shaft, 55.280 mm outside diameter, 8.000 mm width
• Housing bore size: 55.000 mm
• Oil seal construction for manual transmission service
• Cross-reference example: Bosch 15822, 15823

Detailed Description

National 224020 is an oil seal for manual transmission output shaft service, engineered around precise metric dimensions and a polyacrylate sealing surface. The seal measures 1.575 in. (40.000 mm) inside diameter, 2.176 in. (55.280 mm) outside diameter, and 0.3150 in. (8.000 mm) width, with a 2.165 in. (55.000 mm) housing bore. Its clockwise-spiral lip design supports consistent sealing performance in rotating transmission applications. National has supplied sealing solutions for more than 75 years, and this part reflects that focus on dimensional accuracy and drivetrain sealing. This part number 224020 is used across applications including Toyota Camry, Toyota Tacoma, Toyota Tundra, Toyota 4Runner, Lexus ES300, and Lexus RX300 manual transmission service where the listed dimensions match.

Common Problems This Seal Can Address

• Transmission fluid leaking from the output shaft area
• Oil seepage around the manual transmission housing bore
• Seal wear from shaft rotation and age-related hardening
• Contamination entering the transmission through a worn seal
• Service replacement for a damaged or leaking output shaft seal

Installation Notes and Fitment

Verify shaft diameter, housing bore, and seal width before installation. Clean the sealing surface and inspect the shaft for grooves or wear that could affect sealing. Fits 2001-2010 Toyota Highlander, N/A. Fits 2006-2008 Lexus RX400h, N/A. Fits 1999-2008 Toyota Solara, N/A. Fits 2004-2006 Lexus ES330, N/A. Fits 2006 Lexus GS300, N/A. Fits 2004-2006 Lexus RX330, N/A. Fits 1994-2006 Toyota Camry, N/A. Fits 1998-2006 Toyota Sienna, N/A. Fits 1995-2004 Toyota Avalon, N/A. Fits 1995-2004 Toyota Tacoma, Front. Fits 2000-2004 Toyota Tundra, Front. Fits 1994-2003 Lexus ES300, N/A. Fits 1999-2003 Lexus RX300, N/A. Fits 1988-2002 Toyota 4Runner, Front. Fits 1999-2000 Mercedes-Benz SLK230, N/A. Fits 1993-1998 Toyota T100, Front. Fits 1988-1995 Toyota Pickup, Front. Fits 1992-1993 Lexus ES300, Front. Fits 1988-1993 Toyota Camry, Front. Fits 1990-1991 Lexus ES250, Front. Fits 1983-1990 Nissan Pulsar NX, N/A. Fits 1982-1990 Nissan Sentra, N/A. Fits 1989 Geo Spectrum, N/A. Fits 1985-1989 Isuzu I-Mark, N/A. Fits 1985-1988 Chevrolet Spectrum, N/A. Fits 1985-1988 Pontiac Sunburst, N/A. Fits 1983 Nissan Pulsar, N/A. Fits 1982 Nissan 310, N/A. Fits 1978-1980 Ford Fiesta, N/A. Fits 1977-1979 BMW 320i, N/A.

Quality Assurance

National is a long-established sealing brand with a history of supplying drivetrain sealing components for automotive service. Part 224020 is built to metric specifications and listed for broad OE-style replacement use across Toyota, Lexus, and other import manual transmission applications.