FAG SS2742 Engine Crankshaft Seal - Front, Rear or Rear Outer

FAG SS2742 Engine Seal Overview

FAG SS2742 is a precision-engineered seal built with nitrile sealing material and a metal spring design with an auxiliary lip. It is sized for applications that require a 66.624 mm bore diameter, 66.726 mm outside diameter, and 11.1 mm width, helping maintain a tight seal at the shaft and housing interface.

Compatible With a wide range of rear and rear outer axle applications, including Jeep Liberty, Dodge Dakota, and Chrysler rear axle service points, this seal is selected for vehicles that need accurate dimensions and dependable contamination control. The FAG SS2742 part number is also referenced in interchange listings for direct replacement matching.

Key Features

• FAG SS2742 engine seal with metal, spring, and auxiliary lip construction
• Nitrile sealing material for common drivetrain sealing applications
• Measures 66.624 mm bore diameter, 66.726 mm outside diameter, and 11.1 mm width
• Designed to help keep dirt, dust, and moisture away from protected components
• Built to retain grease and maintain sealing performance over service life
• Cross-references BBB Industries 16805 and National 8516N for the same application

Detailed Description

FAG SS2742 is a sealing component engineered to meet vehicle-specific specifications where dimensional accuracy matters. The nitrile sealing element, combined with a metal case, spring, and auxiliary lip, supports consistent contact at the sealing surface. This makes it a practical choice for rear axle and rear outer service points across many Chrysler, Dodge, and Jeep platforms.

Fitment includes 2009-2012 Jeep Liberty rear, 2002-2004 Jeep Liberty rear, 2005-2008 Jeep Liberty rear, 2000-2005 Chevrolet Astro rear outer, 2000-2005 GMC Safari rear outer, and 1991-2001 Jeep Cherokee rear. It also appears in applications such as 1993-2001 Jeep Grand Cherokee rear, 1987-1999 Dodge Dakota rear outer, and 1997-1999 Dodge Ram 1500 rear. The FAG SS2742 part number is used across many 7.25", 8.25", and 8.375" ring gear applications where the listed shaft and axle notes match the vehicle.

Common Problems This Seal Addresses

• Gear oil leakage at the axle or shaft seal area
• Contamination from dirt, dust, and moisture entering the wheel end or axle housing
• Grease loss around protected bearing components
• Wear from an aged, hardened, or damaged original seal
• Noise or service issues caused by inadequate sealing at the rear axle

Installation Notes and Tips

• Verify the bore diameter, outside diameter, and width before installation.
• Match the vehicle position exactly; this part is listed for rear, rear outer, and N/A applications depending on the vehicle.
• Confirm ring gear size and shaft notes in the fitment listing, especially on Dodge, Jeep, and Chrysler rear axle applications.
• Inspect the sealing surface for scoring or wear before installing the new seal.
• Use the vehicle-specific fitment notes to confirm the correct application for Jeep Liberty, Dodge Dakota, and Chrysler rear axle service.

Quality Assurance

FAG designs seals to vehicle manufacturer specifications and works with suppliers to meet FAG quality standards. The SS2742 is built for demanding sealing requirements where contamination control and grease retention are critical over the life of the bearing.

Part number: SS2742.