FAG SS2129 Power Steering Adapter Piston Seal

Power Steering Seal for Classic Jeep and Dodge Applications

FAG SS2129 is a power steering adapter piston seal built with a nitrile sealing element and a metal spring design with an auxiliary lip. It is sized for precise sealing performance in steering systems that require a 1.124 in bore diameter, 1.128 in outside diameter, and 0.625 in width. This FAG SS2129 seal is listed for a wide range of classic Jeep, Dodge, Chevrolet, and Chrysler applications.

Key Features

• Part number: SS2129
• Seal type: metal, spring, auxiliary lip
• Sealing material: nitrile
• Bore diameter: 1.124 in (28.55 mm)
• Seal outside diameter: 1.128 in (28.651 mm)
• Seal width: 0.625 in (15.875 mm)
• Built for steering sealing applications where dimensional accuracy matters

Detailed Description

FAG SS2129 is engineered as a steering seal for vehicles that require a compact, dimensionally specific piston seal. The nitrile sealing material is paired with a metal spring and auxiliary lip to help maintain sealing contact in demanding steering environments. This part cross-references AMS Automotive 6229 and Raybestos Brakes 712024 for the same application. It is a direct-fit option for classic platforms including Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer, along with selected Chrysler Imperial, Dodge Charger, Dart, Monaco, Challenger, Chevrolet Blazer, K10 Suburban, Bel Air, Lancer, and other listed vehicles. For buyers searching for a power steering adapter piston seal for 1975-1979 Jeep Cherokee or a steering seal for 1969-1975 Dodge Charger, SS2129 provides the specified dimensions and construction.

What This Part Helps Address

• Fluid leakage at the steering seal interface
• Loss of sealing pressure in the power steering assembly
• Contamination entry from dirt, dust, and moisture
• Wear related to aged or hardened seal material
• Service issues on classic Jeep, Dodge, Chevrolet, and Chrysler steering systems

Installation Notes and Tips

Verify bore diameter, outside diameter, and seal width before installation. Confirm the vehicle application and steering configuration, including notes such as w/o Quad-Trac, w/o Key Slotted Sh., or Spicer 20 where listed. Clean the sealing surfaces thoroughly and inspect the mating components for scoring or wear before installing the new seal. For fitment searches, this part is listed for 1975-1979 Jeep Cherokee, 1962-1979 Jeep CJ5, 1976-1979 Jeep CJ7, 1974-1979 Jeep J10, 1974-1979 Jeep J20, and 1975-1979 Jeep Wagoneer, plus additional classic applications.

Quality Assurance

FAG states that its seals are built from high-quality materials and developed to meet vehicle manufacturer specifications. The design focus is on protecting steering components from contamination and helping retain grease and fluid sealing performance over the service life of the bearing or steering assembly.