HomeBody > Glass, Windows and Related ComponentsStabilus 4B-166623 Back Glass Lift Support
Part #: 4B-166623

Stabilus 4B-166623 Back Glass Lift Support

20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Isuzu, Saturn, Chevrolet, and GMC, Ascender, Relay, Trailblazer EXT, Envoy XL, and Envoy XUV
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Reliable Back Glass Lift Support for Chevrolet and GMC Vehicles

The Stabilus 4B-166623 Back Glass Lift Support is engineered to provide consistent and smooth operation for the rear glass of select Chevrolet, GMC, Isuzu, and Saturn models. Designed to meet precise specifications, this lift support ensures proper lift and hold force for your vehicle's back glass.

  • Compatible with Chevrolet Trailblazer EXT, GMC Envoy XL, Envoy XUV, Isuzu Ascender, and Saturn Relay
  • Compressed length: 13.484 inches (342.5 mm)
  • Extended length: 19.961 inches (507 mm)
  • Rod diameter: 6 mm (0.236 inches)
  • Tube diameter: 15 mm
  • Force rating: 160 Newtons (36 lbs)
  • Rod connection and shaft connection use durable plastic sockets

Technical Details and Specifications

The Stabilus 4B-166623 lift support features a rod diameter of 6 mm and a tube diameter of 15 mm, providing a balanced strength-to-weight ratio suitable for back glass applications. Its compressed length measures 13.484 inches (342.5 mm), extending to 19.961 inches (507 mm) when fully deployed. The lift support exerts a force of 160 Newtons (36 lbs), ensuring reliable support and smooth operation of the rear glass. Both the rod and shaft connections utilize plastic sockets for secure attachment and reduced wear.

Applications and Common Issues Addressed

  • Supports the rear glass lift mechanism on Chevrolet Trailblazer EXT and GMC Envoy XL models
  • Replaces worn or weak lift supports causing difficulty in opening or holding the back glass
  • Eliminates rattling or loose rear glass due to failing lift supports
  • Restores proper lift force for safe and controlled rear glass operation
  • Prevents sudden glass closure that can cause damage or injury

Installation Notes and Tips

Installation of the Stabilus 4B-166623 back glass lift support requires basic hand tools and moderate mechanical skill. Ensure the vehicle’s rear glass is securely supported before removing the old lift support. Align the plastic socket connections carefully to avoid damage during installation. Verify the lift support extends and compresses smoothly after installation. No additional hardware kit is included, so retain original mounting components if possible.

Quality Assurance and Warranty Information

Stabilus is a recognized manufacturer of automotive lift supports, known for precision engineering and durability. The 4B-166623 part is manufactured to meet OEM specifications for fit and function on Chevrolet, GMC, Isuzu, and Saturn vehicles. While no specific warranty details are provided here, Stabilus products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.

BrandStabilus
Part Number4B-166623
Y
Y
Body0.591
Compressed Length13.484
Compressed Length342.5
Extended Length19.961
Extended Length507
Force (N)160
Force Lbs36
Hardware KitNO
Rod ConnectionPLASTIC SOCKET
Rod Dia (IN)0.236
Rod Diameter6
Rod End Attachment Dia (IN)0.315
Rod End Attachment Dia (MM)8
Shaft0.236
Shaft ConnectionPLASTIC SOCKET
Tube ConnectionPLASTIC SOCKET
Tube Dia (IN)0.591
Tube Diameter15
Tube End Attach Dia (IN)0.315
Tube End Attach Dia (mm)8

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2007IsuzuAscenderN/AExtended Version
2007SaturnRelayN/A
2006ChevroletTrailblazer EXTN/A
2006GMCEnvoy XLN/A
2006IsuzuAscenderN/AExtended Version
2006SaturnRelayN/A
2005ChevroletTrailblazer EXTN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005IsuzuAscenderN/AExtended Version
2005SaturnRelayN/A
2004ChevroletTrailblazer EXTN/A
2004GMCEnvoy XLN/A
2004GMCEnvoy XUVN/A
2004IsuzuAscenderN/AExtended Version
2003ChevroletTrailblazer EXTN/A
2003GMCEnvoy XLN/A
2003IsuzuAscenderN/A
2002ChevroletTrailblazer EXTN/A
2002GMCEnvoy XLN/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:

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