StrongArm 4573 Hatch Lift Support

StrongArm 4573 Lift Support for GM SUVs

StrongArm 4573 is a specific-fit lift support for rear glass, hatch, hood, or liftgate applications that use a 10 mm nylon ball socket connection. It is engineered as a pressurized gas cylinder with a black steel outer cylinder and a 6.5-inch stroke for controlled opening and steady support.

Compatible with Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, and Oldsmobile Bravada applications that call for this exact fitment. The StrongArm 4573 is built to deliver smooth operation and consistent support in daily use.

Key Features

• Specific-fit lift support for confirmed vehicle applications
• Extended length: 20.1 inches
• Compressed length: 13.6 inches
• Stroke length: 6.5 inches
• Maximum force: 184.0
• Black steel outer cylinder for durable construction
• 10 mm nylon ball socket ends on both sides
• Rubber and Teflon materials used in the assembly

Detailed Description

StrongArm Part Number 4573 is a pressurized lift support engineered for direct-fit replacement on select GM and related SUV platforms. It uses a 22.0 mm cylinder outside diameter, a 10.0 mm inner shaft diameter, and a specific-fit design to match the original application. This part cross-references Monroe Shocks & Struts 901614 for the same application. For fitment-based searches, this is a direct replacement option for 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2004-2008 Isuzu Ascender, 2004-2007 Buick Rainier, and 2002-2004 Oldsmobile Bravada applications that require the listed configuration.

Common Uses

• Rear hatch or liftgate that drops or will not stay open
• Rear glass support that no longer holds position
• Slow, uneven, or weak opening action
• Noisy or worn gas strut operation
• Replacement for a leaking or fatigued lift support

Installation Notes

Verify the compressed length, extended length, stroke length, and 10 mm ball socket ends before installation. Match the vehicle application and mounting style exactly, since this is a specific-fit part. Inspect the mounting points for wear or damage before installing the new support, and confirm smooth movement after installation. StrongArm recommends replacing lift supports in pairs to maintain balanced operation and reliable support.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured beyond industry standards to support smoother operation and longer service life. Part Number 4573 is built for consistent performance in the listed applications and follows the brand’s focus on precise fit and durable construction.