Stabilus 4B-816702 Hatch Lift Support

Stabilus 4B-816702 Gas Spring for Toyota Sienna

Stabilus 4B-816702 is a gas spring built for specific Toyota Sienna liftgate and rear hatch applications. With a 705 N (158 lb) force rating, 560 mm extended length, and 383 mm compressed length, it is sized to support controlled opening and closing on the listed vehicles.

Key Features

• Brand: Stabilus
• Part number: 4B-816702
• Force rating: 705 N / 158 lb
• Extended length: 560 mm (22.047 in)
• Compressed length: 383 mm (15.079 in)
• Rod diameter: 10 mm (0.394 in)
• Tube diameter: 22 mm (0.866 in)
• Plastic socket rod and tube connections
• OE-style interchange coverage for select Toyota Sienna applications

Detailed Description

This Stabilus gas spring is engineered for Toyota Sienna models listed in the fitment data, including 2016-2020 Toyota Sienna and 2011-2015 Toyota Sienna with 6 Speaker Audio System (Exc. Bluetooth), as well as 2011-2015 Toyota Sienna with Power Liftgate (6 Speaker Audio System) (Exc. Bluetooth). The 4B-816702 uses plastic socket connections at both ends and follows the listed dimensional specifications for proper lift support and alignment.

This part cross-references TYC 623570 and Tuff Support 611710 for the same application. The 4B-816702 part number is also used across multiple interchange listings tied to the same Toyota Sienna lift support application.

What It Is Used For

• Weak or failing liftgate support on a Toyota Sienna
• Liftgate that drops too quickly when opened
• Rear hatch that no longer stays open securely
• Uneven or inconsistent opening effort
• Noise or binding from an aging gas strut

Installation Notes and Tips

Verify the vehicle year, audio-system configuration, and power liftgate equipment before ordering. Match the original extended length, compressed length, rod diameter, tube diameter, and end connection style to the existing strut. Confirm the mounting sockets are fully seated during installation and inspect the liftgate hinges and mounting points for wear before replacing the gas spring.

Quality Assurance

Stabilus is a recognized OE supplier for gas springs and lift supports, and this part is built to the listed dimensional and force specifications for the confirmed Toyota Sienna applications.