StrongArm 4221R Tailgate Lift Support - Right

StrongArm 4221R Tailgate Lift Support Overview

The StrongArm 4221R Tailgate Lift Support is designed specifically for Subaru Legacy and Outback models, providing reliable assistance in lifting and holding the tailgate securely. Engineered with durable steel construction and precise dimensions, this lift support ensures smooth operation and long-lasting performance.

• Compressed length: 13.95 inches
• Extended length: 22.3 inches
• Cylinder outside diameter: 22.0 mm
• Stroke length: 8.35 inches
• Inner shaft diameter: 10.0 mm
• Outer cylinder material: Steel with black finish
• End 1 type: 10mm ball socket (nylon)
• End 2 type: Blade with bracket
• Materials include rubber and Teflon components
• Maximum force rating: 124.0 N

Technical Details and Compatibility

This StrongArm tailgate lift support (part number 4221R) is a specific fit for Subaru Legacy and Outback vehicles, ensuring proper fitment and function. The steel outer cylinder with a black finish offers corrosion resistance and durability. The 10mm nylon ball socket and blade bracket ends provide secure mounting points for smooth tailgate operation. The lift support’s stroke length of 8.35 inches and maximum force of 124 Newtons are calibrated to support the weight of the tailgate effectively without rebound springs, relying on its internal design for controlled motion.

Common Applications and Problem Solving

• Supports tailgate lifting and holding in open position
• Replaces worn or weak lift supports causing tailgate sag
• Eliminates difficulty in opening or closing the tailgate
• Prevents tailgate from slamming shut unexpectedly
• Restores smooth and controlled tailgate movement

Installation Notes and Tips

Installation of the StrongArm 4221R tailgate lift support requires matching the specific Subaru Legacy or Outback model year and configuration. Ensure the ball socket and blade bracket ends align with the vehicle’s mounting points. Use appropriate tools to remove the old lift support and install the new one without damaging the rubber or Teflon components. It is recommended to replace lift supports in pairs for balanced tailgate operation.

Quality Assurance and Warranty

StrongArm manufactures the 4221R tailgate lift support with high-quality steel and durable materials to meet OEM standards. While no internal rebound spring is included, the design ensures consistent performance under normal operating conditions. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.