Stabilus 5B-289939 LIFT-O-MAT Gas Spring 500N Bonnet Strut

The Stabilus 289939 is a LIFT-O-MAT bonnet strut (gas spring) with a 500N extension force, designed to provide smooth, controlled lifting support for hoods, bonnets, and other hinged panels. This hydropneumatic adjusting element consists of a pressure tube, piston rod with piston, and corresponding end fittings, filled with nitrogen gas to maintain constant pressure for reliable force assistance.

Key Specifications:

• Extended length: 294mm (11.6 inches)
• Stroke: 87-107mm (3.4-4.2 inches)
• Extension force: 500N (112 lbs)
• Piston rod diameter: 8-10mm
• Compatible with vehicles equipped with pedestrian protection systems

Features and Benefits:

• Provides optimal counterbalancing for easy opening and closing of panels
• Excellent damping characteristics ensure safe, controlled movement
• Maintenance-free operation with nitrogen gas-filled construction
• High-quality materials and durable construction for long service life
• Compact design for easy integration and installation
• Certified quality and safety meeting international OE supplier standards

As a hydropneumatic adjusting element, this LIFT-O-MAT gas spring uses nitrogen gas to maintain constant pressure against piston surfaces, creating reliable extension force that makes lifting heavy hoods and panels effortless. The gas spring design offers advantages over mechanical springs, including defined speed profiles and outstanding damping capacity for smooth operation through thousands of cycles.