Timken 204005S Steering Knuckle Seal - Front, Front Lower or Front Upper

Timken Steering Knuckle Seal Overview

The Timken 204005S steering knuckle seal is engineered for reliable sealing performance in select Chevrolet, Ford, and GMC vehicles. Constructed from durable S-nitrile material, this seal is designed to maintain proper lubrication and prevent contaminants from entering the steering knuckle assembly.

• Material: S-nitrile for enhanced resistance to oil and wear
• Outside Diameter: 1.787 inches (45.39 mm)
• Shaft Diameter: 1.000 inch (25.40 mm)
• Housing Bore Diameter: 1.781 inches (45.24 mm)
• Width: 0.469 inches (11.91 mm)

Detailed Product Description

The Timken 204005S steering knuckle seal is specifically designed to fit vehicles such as Chevrolet Blazer, GMC Jimmy, Ford Bronco, and Ford F-250, as well as Chevrolet K10 and K20 Suburban models. Its S-nitrile construction offers excellent resistance to heat, oil, and environmental contaminants, ensuring long-lasting sealing performance. The precise dimensions, including a 1.787-inch outside diameter and a 1.000-inch shaft diameter, provide a secure fit within the steering knuckle housing bore, which measures approximately 1.781 inches. This seal helps maintain the integrity of the steering system by preventing grease leakage and blocking dirt and moisture intrusion.

Common Applications and Problem Solving

• Prevents grease leakage from the steering knuckle assembly
• Protects steering components from dirt, dust, and moisture contamination
• Reduces premature wear of steering knuckle bearings
• Maintains proper lubrication within the steering system
• Helps avoid steering play and noise caused by seal failure

Installation Notes and Tips

• Ensure the steering knuckle bore and shaft are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without damage
• Verify the seal lip is properly oriented to face the lubricant side
• Inspect the shaft for wear or damage that could compromise the seal
• Lubricate the seal lip lightly with compatible grease before installation

Quality Assurance and Warranty

Timken manufactures the 204005S steering knuckle seal to meet strict quality standards for durability and fitment. The use of S-nitrile material ensures resistance to common automotive fluids and environmental factors. While specific warranty terms may vary, Timken products typically come with a limited warranty against manufacturing defects, providing confidence in the seal's performance for Chevrolet Blazer, Ford Bronco, GMC Jimmy, and other compatible models.