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Part #: 4573

StrongArm 4573 Hatch Lift Support

⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, and Bravada
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StrongArm 4573 Gas Strut for Buick, Chevrolet, GMC, and More

The StrongArm 4573 gas strut is engineered for specific fitment on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed to provide reliable support and smooth operation, this gas strut is ideal for applications requiring precise length and force specifications.

  • Compressed length: 13.6 inches
  • Extended length: 20.1 inches
  • Stroke length: 6.5 inches
  • Cylinder outside diameter: 22.0 mm
  • Inner shaft diameter: 10.0 mm
  • Outer cylinder material: steel with black finish
  • End fittings: 10mm nylon ball sockets on both ends
  • Maximum force: 184 Newtons
  • Materials include rubber and Teflon components for durability
  • Specific fit for Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models

Detailed Product Description

The StrongArm 4573 gas strut is constructed with a durable steel outer cylinder finished in black to resist corrosion and wear. It features a 22.0 mm outside diameter and a 10.0 mm inner shaft diameter, providing a robust structure for consistent performance. The gas strut extends from a compressed length of 13.6 inches to an extended length of 20.1 inches, offering a stroke length of 6.5 inches. Both ends are equipped with 10mm nylon ball socket fittings, ensuring secure attachment and smooth pivoting action. The internal design excludes a rebound spring, focusing on steady force delivery up to 184 Newtons. Rubber and Teflon materials are incorporated to enhance sealing and reduce friction, contributing to the strut's longevity and reliable operation.

Compatible Vehicle Applications

This gas strut is specifically designed for use with the following vehicles:

  • Buick Rainier
  • Chevrolet Trailblazer
  • GMC Envoy
  • Isuzu Ascender
  • Oldsmobile Bravada
  • Saab 9-7x

Ensure compatibility by verifying the part number 4573 when replacing gas struts on these models.

Common Uses and Problem Resolution

  • Supports liftgate, hood, or tailgate opening and closing
  • Replaces worn or leaking gas struts causing sagging or difficulty in operation
  • Restores proper force and smooth motion to vehicle components
  • Eliminates rattling or loose end fittings due to worn ball sockets
  • Prevents sudden closure or unsafe operation of supported panels

Installation Notes and Tips

  • Confirm exact fitment by matching part number 4573 and vehicle make/model
  • Use appropriate tools to remove and install 10mm ball socket ends without damage
  • Do not compress the gas strut manually beyond specified lengths to avoid damage
  • Lubricate ball sockets lightly if necessary to maintain smooth pivoting
  • Inspect mounting points for wear or corrosion before installation

Quality Assurance and Warranty

The StrongArm 4573 gas strut is manufactured to meet OEM specifications for fit and function. Constructed with high-quality steel and durable materials, it is designed for long service life under normal operating conditions. While specific warranty details are not provided, StrongArm products typically adhere to industry standards for reliability and performance. Always verify warranty coverage with the supplier or manufacturer.

BrandStrongArm
Part Number4573
Compressed Length13.6
Cylinder Outside Diameter22.0
End 1 TypeBall Socket (Nylon) 10mm
End 2 TypeBall Socket (Nylon) 10mm
Extended Length20.1
Inner Shaft Diameter10.0
Internal Rebound SpringNo
MaterialsRubber
MaterialsTeflon
Maximum Force184.0
Outer Cylinder ColorBlack
Outer Cylinder MaterialSteel
Stroke Length6.5
Universal Or Specific FitSpecific

This part fits 33 vehicles. Search below:

YearMakeModelWheel BasePositionNotes
2009ChevroletTrailblazerN/A
2009GMCEnvoyN/A
2009Saab9-7xN/A
2008ChevroletTrailblazerN/A
2008GMCEnvoyN/A
2008IsuzuAscender113.0"N/A
2008Saab9-7xN/A
2007BuickRainierN/A
2007ChevroletTrailblazerN/A
2007GMCEnvoyN/A
2007IsuzuAscender113.0"N/A
2007Saab9-7xN/A
2006BuickRainierN/A
2006ChevroletTrailblazerN/A
2006GMCEnvoyN/A
2006IsuzuAscender113.0"N/A
2006Saab9-7xN/A
2005BuickRainierN/A
2005ChevroletTrailblazerN/A
2005GMCEnvoyN/A
2005IsuzuAscender113.0"N/A
2005Saab9-7xN/A
2004BuickRainierN/A
2004ChevroletTrailblazerN/A
2004GMCEnvoyN/A
2004IsuzuAscender113.0"N/A
2004OldsmobileBravadaN/A
2003ChevroletTrailblazerN/A
2003GMCEnvoyN/A
2003OldsmobileBravadaN/A
2002ChevroletTrailblazerN/A
2002GMCEnvoyN/A
2002OldsmobileBravadaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

151209024573510-9668151209020819-6187900300901614C4573C95154SG221001SG330046

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.