National 1209 Wheel Seal - Front Inner

National 1209 Wheel Seal for Jeep and Dodge Applications

National 1209 is a metric wheel seal built with nitrile sealing material for dependable sealing performance in driveline and axle service. With a 50.000 mm shaft diameter, 65.330 mm outside diameter, and 8.500 mm width, it is sized for specific Jeep, Dodge, and Isuzu manual transmission applications that require an accurate OE-style seal replacement.

National has supplied sealing solutions for more than 75 years, and this part reflects that focus on dimensional accuracy and material selection. If you are servicing a Jeep Wrangler, Cherokee, TJ, or a Dodge Dakota with the correct transmission application, National 1209 provides the fitment and sealing dimensions needed for a proper repair.

Key Features

• Wheel seal / oil seal for driveline and axle sealing service
• Nitrile sealing material for common automotive fluid resistance
• Metric dimensions: 50.000 mm shaft, 65.330 mm outside diameter, 8.500 mm width
• Housing bore diameter: 65.000 mm
• National 1209 part number for easy catalog matching
• Fits select Jeep, Dodge Dakota, and Isuzu Trooper applications with Aisin AX15 or AX5 transmission notes where listed

Detailed Description

National 1209 is a metric oil seal engineered around precise dimensional requirements: 1.969 in. inside diameter, 2.572 in. outside diameter, and 0.335 in. thickness. The nitrile sealing material is commonly used in automotive sealing applications where consistent contact and fluid control are important. This seal is listed in National’s 1000 series and is identified as Type 35.

Use this seal when servicing confirmed applications such as 1997-2002 Jeep Wrangler, 1984-2000 Jeep Cherokee, 1994-1999 Dodge Dakota, and 1998-2002 Isuzu Trooper, along with the specific Aisin AX15 and AX5 transmission listings shown in the fitment data. This part cross-references Four Seasons 1209N for the same application.

What It Helps Address

• Oil seepage at the seal interface
• Contamination entering the sealed driveline area
• Wear-related leakage from an aging wheel or axle seal
• Service issues caused by incorrect seal dimensions
• Noise or driveline concerns associated with compromised sealing

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation to confirm the correct National 1209 application. Clean the bore and shaft surface thoroughly, inspect for scoring or corrosion, and install the seal squarely to avoid distortion. For Jeep Wrangler, Cherokee, TJ, and Dodge Dakota service, confirm the transmission note in the fitment listing before ordering.

Quality Assurance

National has a long history in sealing technology and continues to develop sealing solutions for modern vehicle service needs. The 1209 is built to the listed metric dimensions and material specification for consistent replacement use in the applications shown.