Stabilus 3B-855659 Hatch Lift Support

Stabilus 3B-855659 Gas Spring Overview

The Stabilus 3B-855659 gas spring is an OE-style lift support built for controlled opening and closing action on select Cadillac full-size SUVs and trucks. With a 685 N (154 lb) force rating, 626.5 mm extended length, and plastic socket end connections, it is specified for consistent support in the rear liftgate or hatch application on the listed vehicles.

• Brand: Stabilus
• Part number: 3B-855659
• Force rating: 685 N / 154 lb
• Extended length: 626.5 mm (24.665 in)
• Compressed length: 378 mm (14.882 in)
• Rod diameter: 10 mm (0.394 in)
• Tube diameter: 22 mm (0.866 in)
• Rod connection: plastic socket
• Tube connection: plastic socket
• Direct fitment for select 2005-2006 Cadillac Escalade, Escalade ESV, and Escalade EXT applications

Fitment Details

Compatible with 2005-2006 Cadillac Escalade, 2005-2006 Cadillac Escalade ESV, and 2005-2006 Cadillac Escalade EXT. This part cross-references Dorman - Conduct-Tite 86262 for the same application.

Product Description

Stabilus 3B-855659 is a gas-charged lift support engineered around the listed dimensions and end fittings to match the original support geometry on the vehicle. The 10 mm rod, 22 mm tube, and plastic socket connections are important for proper mounting alignment, while the 685 N force rating helps maintain controlled lift and hold characteristics for the rear access panel. If you are replacing a worn support on a 2005-2006 Cadillac Escalade, Escalade ESV, or Escalade EXT, this part number provides a direct-reference solution for the specified application.

Common Problems This Part Can Address

• Rear liftgate or hatch that drops instead of staying open
• Weak or slow opening action
• Uneven or inconsistent support during liftgate movement
• Need for replacement after gas pressure loss in the original support
• Noise or binding caused by worn end sockets or fatigued support hardware

Installation Notes and Tips

Verify the extended length, compressed length, force rating, and socket-style end fittings before installation. Compare the removed support to Stabilus 3B-855659 to confirm the same mounting style and overall dimensions. Support the liftgate securely during replacement and inspect the mounting points for wear or damage before snapping the plastic sockets into place.

Quality Assurance

Stabilus is a recognized OE supplier of gas springs and lift supports, and this part is built to match the specified application dimensions and force rating for the listed Cadillac vehicles.