National 711169 Transfer Case Input Shaft Seal

Transfer Case Input Shaft Seal for Toyota Tundra

National 711169 is a premium transfer case input shaft seal built for sealing performance in drivetrain service. It uses ACM sealing material and a black oil seal design to help maintain a tight seal at the transfer case input shaft on compatible Toyota Tundra applications.

Compatible with 2014-2021 Toyota Tundra, this seal is a direct-fit service part for transfer case sealing repairs. The National 711169 part number is also referenced in interchange listings for cross-checking during parts lookup.

Key Features

• Transfer case input shaft seal for drivetrain sealing service
• ACM sealing material for oil resistance and durability
• Black seal construction
• Premium grade type
• 33 mm shaft diameter and 57 mm housing bore
• Counterclockwise helix type
• Oil seal part description

Detailed Description

National 711169 is engineered as a transfer case input shaft seal for vehicles that require a precise sealing interface at the transfer case. The 33 mm shaft diameter and 57 mm housing bore help identify the correct fitment dimensions, while the ACM material is selected for sealing performance in oil-exposed drivetrain environments. For Toyota Tundra owners servicing transfer case leaks, this seal supports a clean replacement path for the original sealing point. National 711169 is listed for 2014-2021 Toyota Tundra applications and is backed by National’s long history in sealing products and ongoing OE-focused design development.

This part cross-references SKF 20343A for the same application.

Common Repair Applications

• Transfer case fluid seepage at the input shaft
• Oil residue around the transfer case seal area
• Seal wear from age, heat, or drivetrain use
• Leak diagnosis during transfer case service on Toyota Tundra

Installation Notes and Tips

Verify shaft diameter and housing bore before installation to confirm the seal matches the transfer case opening. Inspect the shaft surface for wear, scoring, or contamination before fitting the new seal. Clean the sealing area thoroughly and install the seal squarely to avoid distortion or premature leakage. Confirm the helix direction and application details against the vehicle service information for 2014-2021 Toyota Tundra repairs.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop advanced sealing designs for modern vehicles. National 711169 is a premium-grade replacement seal built to meet the demands of transfer case service on Toyota Tundra applications.