FAG SS3344 Wheel Seal - Front

FAG SS3344 Wheel Seal for Front Axle Service

FAG SS3344 is a front wheel seal built for specific light- and heavy-duty GM applications, including Chevrolet K1500, K2500, K3500, Tahoe, Blazer, and GMC K2500/K3500/Yukon models. It is engineered to help keep wheel-end grease in place while blocking dirt, dust, and moisture from entering the bearing area.

Key Features

• Wheel seal for front axle applications
• Rubber seal type with auxiliary lip
• Polyacrylate sealing material
• Bore diameter: 3.74 in. / 94.996 mm
• Seal outside diameter: 3.745 in. / 95.123 mm
• Seal width: 3.15 in. / 80.01 mm
• Built to meet vehicle manufacturer specifications
• Fits select Chevrolet and GMC front wheel-end assemblies

Detailed Description

This FAG wheel seal, part number SS3344, is designed around demanding wheel-end sealing requirements where contamination control and grease retention are critical. The rubber construction with an auxiliary lip helps maintain a consistent seal at the hub, while the polyacrylate sealing material is selected for durability in wheel-end service. FAG works with suppliers to produce seals that align with its quality standards and vehicle-specific specifications. This part cross-references Febi-Bilstein 31504 for the same application.

Compatible with front applications on 1988-2000 Chevrolet K2500 and K3500, 1996-1999 Chevrolet K1500, 1992-1999 Chevrolet K2500 Suburban, 1995-1999 Chevrolet Tahoe, 1994 Chevrolet Blazer, 1988-2000 GMC K2500 and K3500, 1992-1999 GMC K2500 Suburban, 1994-1997 GMC Yukon, and 2000 GMC Yukon XL 2500. The FAG SS3344 is also referenced under global number 413 3344 100 in several OE-style listings.

Common Problems This Seal Helps Address

• Grease loss at the front wheel bearing area
• Contamination from dirt, dust, and road moisture
• Premature wear in wheel-end components
• Seal leakage at the hub or spindle interface
• Noisy or rough front wheel bearing operation caused by seal failure

Installation Notes and Tips

• Verify bore diameter, outside diameter, and seal width before installation.
• Match the seal to the correct front position and vehicle class.
• Inspect the hub, spindle, and bearing surfaces for wear or damage before fitting the new seal.
• Clean all sealing surfaces thoroughly so the auxiliary lip can seat properly.
• Confirm exact vehicle application by year, make, model, and front axle configuration.

Quality Assurance

FAG designs wheel seals to meet manufacturer specifications and uses materials selected for wheel-end sealing performance. The SS3344 is built for application-specific fitment on select Chevrolet and GMC front axle setups, including Chevrolet K2500, Chevrolet K3500, and GMC Yukon-related platforms.