SKF 18758 Transfer Case Output Shaft Seal - Front or Rear

SKF Transfer Case Output Shaft Seal

SKF 18758 is a transfer case output shaft seal built for vehicles that need reliable fluid retention at the transfer case. It is engineered with a LongLife sealing surface and precise dimensions to match the shaft and housing interface on select Jeep and Dodge applications.

Use this SKF transfer case output shaft seal when servicing a leaking transfer case on Jeep Wrangler, Jeep Liberty, Jeep Cherokee, Jeep Grand Cherokee, TJ, and Dodge Ram or Dakota applications. Part number 18758 is designed to help keep lubricant in place and contaminants out of the transfer case assembly.

Key Features

• LongLife sealing surface type for durable sealing performance
• Outside diameter: 2.755 in.
• Shaft diameter: 1.875 in.
• Width: 0.677 in.
• Built to SKF design and manufacturing standards for transfer case service
• Cross-reference: BBB Industries 19060

Detailed Description

SKF 18758 is a transfer case output shaft seal made for specific New Process transfer case applications. The seal dimensions are matched to the shaft and bore requirements, with a 1.875-inch shaft diameter, 2.755-inch outside diameter, and 0.677-inch width. SKF’s sealing expertise dates back to its early shaft seal development work, and this part reflects that focus on material selection and application-specific design. If you are replacing a worn seal on a Jeep Wrangler, Jeep Liberty, or Dodge Ram transfer case, this part number 18758 provides a direct service solution for the listed vehicles.

What It Helps Fix

• Transfer case fluid seepage at the output shaft
• Contamination entering the transfer case through a worn seal
• Wet housing or driveline area around the transfer case output
• Seal wear from age, heat, and mileage
• Service issues on New Process 241, 242, 244, 247, and 249 transfer case applications

Installation Notes and Tips

• Verify transfer case model and output shaft dimensions before installation.
• Inspect the shaft surface for grooves, scoring, or corrosion that can affect sealing.
• Clean the seal bore and surrounding housing before pressing in the new seal.
• Use proper installation tools to avoid distorting the seal lip or outer case.
• Confirm fluid level after repair and check for leaks during a road test.

Quality Assurance

SKF manufactures seals to specific application requirements using premium materials and controlled production standards. Part number 18758 is built for long service life in transfer case sealing applications and is backed by SKF’s established sealing engineering experience.