Stabilus 4B-442407 Deck Lid Lift Support

Overview of Stabilus Gas Spring for BMW Models

The Stabilus gas spring part number 4B-442407 is engineered for precise fitment with select BMW vehicles, including the 428i, 428i xDrive, 430i, 430i xDrive, 435i, 435i xDrive, 440i, 440i xDrive, and M4 models. Designed to provide reliable support and smooth operation, this gas spring meets specific dimensional and force requirements for optimal performance.

• Compressed length: 12.244 inches (311 mm)
• Extended length: 20.472 inches (520 mm)
• Rod diameter: 8 mm (0.315 inches)
• Tube diameter: 18 mm
• Force: 300 Newtons (67 lbs)
• Rod connection type: Plastic socket
• Rod end attachment diameter: 10 mm (0.394 inches)

Technical Details and Specifications

This Stabilus gas spring 4B-442407 features a robust design with a 0.709 inch body diameter, ensuring durability and consistent force output. The rod and shaft connections utilize plastic sockets to provide secure attachment points while minimizing wear. With a force rating of 300 Newtons, this gas spring delivers controlled motion and support suitable for various applications within the specified BMW models. The precise compressed and extended lengths allow for accurate fitment and function in OEM replacement scenarios.

Compatible BMW Models and Applications

This gas spring is compatible with the following BMW vehicles: 428i, 428i xDrive, 430i, 430i xDrive, 435i, 435i xDrive, 440i, 440i xDrive, and M4. It is designed for use in applications requiring controlled lift and support, such as trunk lids, hoods, or other components requiring gas spring assistance. The part number 4B-442407 ensures correct replacement and fitment for these models.

• Supports smooth opening and closing of trunk lids or hoods
• Maintains consistent force to prevent sudden closures
• Replaces worn or damaged OEM gas springs
• Reduces strain on hinges and mounting points
• Improves safety by controlling component movement

Installation Notes and Tips

When installing the Stabilus 4B-442407 gas spring, ensure the mounting points are clean and free of debris. The plastic socket rod connection requires careful alignment to avoid damage during installation. It is recommended to replace gas springs in pairs to maintain balanced force and operation. Verify the compressed and extended lengths match the original equipment specifications for proper fitment on your BMW 428i, 430i, 435i, 440i, or M4 model.

Quality Assurance and Warranty

Stabilus gas springs are manufactured to meet strict quality standards, providing reliable performance and durability. While specific warranty details for part number 4B-442407 may vary, Stabilus products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.