Stabilus 4B-521503 Hatch Lift Support

Overview of Stabilus 4B-521503 Gas Spring for Mercedes-Benz GLK Models

The Stabilus 4B-521503 gas spring is engineered for reliable performance in Mercedes-Benz GLK250, GLK280, GLK300, and GLK350 vehicles. Designed to provide consistent force and smooth operation, this gas spring supports various applications requiring controlled motion and damping.

• Compressed length: 12.224 inches (310.5 mm)
• Extended length: 19.941 inches (506.5 mm)
• Rod diameter: 8 mm (0.315 inches)
• Tube diameter: 18 mm
• Force: 485 Newtons (109 lbs)
• Rod connection type: Plastic socket
• Compatible with Mercedes-Benz GLK250, GLK280, GLK300, GLK350

Technical Specifications and Features

This gas spring features a compressed length of 12.224 inches and extends to 19.941 inches, providing a stroke length suitable for various automotive applications. The rod diameter measures 8 mm, paired with an 18 mm tube diameter, ensuring durability and stability under load. The force rating of 485 Newtons (109 lbs) delivers consistent support for controlled lifting and lowering motions. The rod end utilizes a plastic socket connection, facilitating secure attachment and smooth pivoting action.

Applications and Compatibility

The Stabilus 4B-521503 gas spring is specifically compatible with Mercedes-Benz GLK series models including GLK250, GLK280, GLK300, and GLK350. It is designed for use in automotive systems requiring gas spring support such as hood lifts, trunk supports, or other components needing controlled motion assistance. This part is not intended for agricultural, heavy truck, marine, or industrial off-highway use.

• Supports smooth opening and closing of hoods or tailgates
• Replaces worn or damaged gas springs in GLK series vehicles
• Helps maintain proper positioning of automotive panels
• Reduces strain on manual lifting components
• Improves safety by controlling motion speed and force

Installation Notes and Tips

When installing the Stabilus 4B-521503 gas spring, ensure the plastic socket rod connection is securely attached to the mounting points on the vehicle. Verify the orientation matches the original part to maintain proper function. Avoid forcing the gas spring beyond its extended or compressed limits to prevent damage. It is recommended to replace gas springs in pairs to maintain balanced operation.

Quality Assurance and Warranty

Stabilus gas springs are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 4B-521503 may vary, Stabilus typically offers coverage against manufacturing defects. For precise warranty information, consult the product documentation or authorized service providers.