StrongArm D6104 Liftgate Lift Support 19.93" Extended 146 lbs Force

The StrongArm D6104 Liftgate Lift Support is a gas-charged pressurized cylinder engineered to provide reliable support for liftgates, hatches, and rear window glass in automotive applications. With a 19.93-inch extended length, 12.78-inch compressed length, and 146 pounds of lifting force, this lift support delivers the exact specifications needed for proper operation.

Premium Construction Features:

• Hardened, nitride-plated steel shaft for optimal durability and corrosion resistance
• Rubber O-ring piston seal prevents leakage for controlled lift and consistent performance
• Heavy gauge steel body electrostatically painted and heat cured to OE specifications
• Self-cleaning piston assembly provides smooth operation and reliable performance
• Patented multi-lobe seal offers leak-free operation and extended service life
• Precision-manufactured upper bushing for exact fit and longer operating life

Technical Specifications:

• Extended Length: 19.93 inches
• Compressed Length: 12.78 inches
• Travel Length: 7.15 inches
• Force Rating: 146 pounds
• Operating Temperature Range: -40°F to 176°F
• Gas Pressure Capacity: Up to 2,500 PSI
• Mount Type: Captive ball upper and lower mounts

StrongArm lift supports are engineered and built to meet or exceed original equipment quality standards. Each unit is individually tested for performance and reliability. Installation is straightforward and can be completed in minutes with simple hand tools—no special equipment required. For optimal safety and balanced performance, lift supports should be replaced in pairs.

OEM Cross-References: Replaces Jeep 55394322AA, 55394323AA; ACDelco 510-1034; Monroe 901617; Stabilus SG314044; Balkamp 819-6270