SKF 34891 Manual Transmission Auxiliary Shaft Seal - Rear

SKF 34891 Manual Transmission Auxiliary Shaft Seal

SKF 34891 is a manual transmission auxiliary shaft seal built for precise sealing performance in drivetrain service. With a 3.500 shaft diameter, 4.506 outside diameter, and 0.438 width, it is sized for applications that require controlled fit and reliable lubricant retention.

Key Features

• Manual transmission auxiliary shaft seal for transmission sealing service
• 3.500 shaft diameter for the sealing surface interface
• 4.506 outside diameter for housing fitment
• 0.438 width for compact installation dimensions
• Polyacrylate sealing surface type for sealing performance in transmission environments
• SKF part number 34891 for catalog and service identification

Detailed Description

SKF 34891 is engineered as a transmission gasket and sealing system component for auxiliary shaft sealing in manual gearboxes. SKF has a long history in shaft seal design, and this seal reflects that focus with premium material selection and application-specific construction. For drivers and technicians searching for a manual transmission auxiliary shaft seal for SKF 34891, or a replacement seal for transmission leak repair on a manual transmission, this part is built around the dimensions that matter most: shaft diameter, outside diameter, and seal width. It is also a practical search match for vehicle service needs involving Honda Civic and similar manual transmission repair queries where the correct auxiliary shaft seal is required.

What It Helps Address

• Transmission fluid seepage around the auxiliary shaft
• Contamination entering the manual transmission housing
• Wear-related sealing loss at the shaft interface
• Service replacement for a damaged or hardened transmission seal
• Leak diagnosis tied to the auxiliary shaft area

Installation Notes and Tips

Confirm shaft diameter, housing diameter, and seal width before installation. Inspect the shaft surface for scoring, corrosion, or burrs that can affect sealing performance. Clean the bore and mating surfaces thoroughly, and install the seal squarely to avoid distortion. Verify the transmission fluid level after service and check for leaks during road testing. Fits should be confirmed against the vehicle’s transmission specification before ordering; this part number is commonly searched for manual transmission auxiliary shaft seal service on Honda Civic applications.

Quality Assurance

SKF designs and manufactures seals to high quality standards using application-specific materials and bonding methods developed through decades of seal engineering. Part number 34891 is supported by SKF’s long-standing focus on keeping lubricants in and contaminants out. This part cross-references Bosch 15087 for the same application.