StrongArm 4778 Hatch Lift Support

StrongArm 4778 Gas Strut Overview

The StrongArm 4778 gas strut is engineered for specific vehicle applications requiring reliable support and controlled motion. Designed with a steel outer cylinder and internal rebound spring, this gas strut offers precise performance for automotive lift and support needs.

• Compressed length: 16.94 inches
• Extended length: 27.09 inches
• Stroke length: 10.15 inches
• Cylinder outside diameter: 22.0 mm
• Inner shaft diameter: 10.0 mm
• Steel outer cylinder with black finish
• Internal rebound spring included
• End fittings: Off-set blade with 0.393 inch diameter holes on both ends
• Materials include rubber and Teflon components
• Maximum force rating: 115 lbs

Technical Description and Specifications

The StrongArm 4778 gas strut features a durable steel outer cylinder finished in black to resist corrosion and wear. Its 22 mm outside diameter and 10 mm inner shaft diameter provide a robust structure capable of handling a maximum force of 115 pounds. The gas strut extends from a compressed length of 16.94 inches to an extended length of 27.09 inches, offering a stroke length of 10.15 inches. Both ends are equipped with off-set blade fittings featuring 0.393 inch diameter holes, ensuring secure attachment points. The inclusion of an internal rebound spring enhances smooth operation and controlled damping. Rubber and Teflon materials are used in critical areas to reduce friction and improve longevity.

Compatible Vehicle Applications

This StrongArm 4778 gas strut is designed for specific fitment applications, commonly used in automotive lift supports such as hoods, trunks, and tailgates. It is compatible with select makes and models requiring a gas strut with these exact dimensions and force ratings. For example, it is suitable for certain Ford F-150 and Chevrolet Silverado models where a 115 lb force gas strut with a 10.15 inch stroke is specified. Always verify fitment with your vehicle’s OEM specifications before installation.

Common Uses and Problem Solving

• Supports vehicle hoods and tailgates for smooth opening and closing
• Replaces worn or leaking gas struts causing sagging or difficulty lifting
• Restores proper lift force to prevent sudden closure or slamming
• Improves safety by providing controlled motion and damping
• Eliminates noise and vibration associated with failing struts

Installation Notes and Tips

When installing the StrongArm 4778 gas strut, ensure the off-set blade fittings align correctly with the mounting points on your vehicle. Use appropriate tools to avoid damaging the rubber and Teflon components. It is recommended to replace gas struts in pairs to maintain balanced support. Verify the orientation of the internal rebound spring for optimal performance. Follow vehicle manufacturer guidelines for torque specifications and safety precautions during installation.

Quality Assurance and Warranty

StrongArm gas struts are manufactured to meet industry standards for durability and performance. The 4778 model undergoes rigorous testing to ensure consistent force output and reliable operation. While specific warranty details may vary, StrongArm typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms related to this gas strut.