HomeDriveline and Axles > Service KitsFAG SS3121 Wheel Seal Kit - Front
Part #: SS3121

FAG SS3121 Wheel Seal Kit - Front

Front
⚙️ 43 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, P30, P3500, and Sierra 3500
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Reliable Wheel Seal Kit for Chevrolet and GMC Vehicles

The FAG SS3121 Wheel Seal Kit is designed to provide durable sealing performance for driveline and axle applications. Engineered for select Chevrolet and GMC models, this metal seal kit ensures proper protection against contaminants and fluid leaks.

  • Metal seal type for enhanced durability
  • Sealing material made of nitrile for resistance to oils and wear
  • Bore diameter options: 3.058 inches (77.673 mm)
  • Seal outside diameter: approximately 3.063 inches (77.8 mm)
  • Seal width available in 2.125 inches (5.969 mm)

Technical Details of the FAG SS3121 Wheel Seal Kit

This wheel seal kit features a metal seal type combined with nitrile sealing material, providing a balance of strength and flexibility. The bore diameter measures 3.058 inches (77.673 mm), while the seal outside diameter is 3.063 inches (77.8 mm), ensuring a precise fit. The seal width of 2.125 inches (5.969 mm) supports effective sealing in demanding driveline environments. These specifications make the SS3121 suitable for maintaining axle integrity and preventing fluid leakage in heavy-duty vehicles.

Compatible Chevrolet and GMC Models

The FAG SS3121 is compatible with Chevrolet P30 and P3500 models, as well as the GMC Sierra 3500. This wheel seal kit is specifically designed to meet the requirements of these vehicles, ensuring proper fitment and reliable performance in their driveline systems.

Common Applications and Problem Solving

  • Prevents axle oil leaks that can lead to driveline damage
  • Protects wheel bearings from dirt and moisture intrusion
  • Maintains proper lubrication within the axle assembly
  • Reduces wear on axle components by providing a secure seal
  • Helps avoid costly repairs due to seal failure in Chevrolet and GMC trucks

Installation Notes and Tips

When installing the FAG SS3121 wheel seal kit, ensure the bore and seal diameters match the axle housing specifications. Clean the sealing surface thoroughly before installation to prevent contamination. Use appropriate tools to avoid damaging the metal seal during fitting. Proper alignment and seating of the seal are critical to prevent leaks and ensure long-term performance.

Quality Assurance and Warranty

FAG manufactures the SS3121 wheel seal kit to meet industry standards for durability and reliability. The use of nitrile sealing material and metal construction supports resistance to wear and environmental factors. While specific warranty details are not provided, FAG products typically adhere to strict quality control processes to ensure consistent performance in automotive applications.

BrandFAG
Part NumberSS3121
40532.125
405353.975
Seal TypeMetal
Sealing MaterialNitrile
Bore Diameter3.058
Bore Diameter77.673
Seal Outside Diameter3.063
Seal Outside Diameter77.8
Seal Width2.125
Seal Width5.969

This part fits 43 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2002GMCSierra 3500RWDFrontw/12,500 lb. Thru 15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3121 100
2001GMCSierra 3500RWDFrontw/12,500 lb. Thru 15,000 lb. G.V.W.; Schaeffler Seal Global Number 413 3121 100
1999ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1999GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1998ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1998GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1997ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1997GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1996ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1996GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1995ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1995GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1994ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1994GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1993ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1993GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1992ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1992GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1991ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1991GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1990ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1990GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1989ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1989GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1988ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1988GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1987ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1987GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1986ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1986GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1985ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1985GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1984ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1984GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1983ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1983GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1982ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1982GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1981ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1981GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1980ChevroletP30Frontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1980GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100
1979GMCP3500RWDFrontw/(FS3) Option (I Beam Suspension); Schaeffler Seal Global Number 413 3121 100

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2129441331211005682

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.