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Stabilus 4B-166623 Back Glass Lift Support
| Brand | Stabilus 4B-166623 |
|---|---|
| Y | |
| Y | |
| Body | 0.591 |
| Compressed Length | 13.484 |
| Compressed Length | 342.5 |
| Extended Length | 19.961 |
| Extended Length | 507 |
| Force (N) | 160 |
| Force Lbs | 36 |
| Hardware Kit | NO |
| Rod Connection | PLASTIC SOCKET |
| Rod Dia (IN) | 0.236 |
| Rod Diameter | 6 |
| Rod End Attachment Dia (IN) | 0.315 |
| Rod End Attachment Dia (MM) | 8 |
| Shaft | 0.236 |
| Shaft Connection | PLASTIC SOCKET |
| Tube Connection | PLASTIC SOCKET |
| Tube Dia (IN) | 0.591 |
| Tube Diameter | 15 |
| Tube End Attach Dia (IN) | 0.315 |
| Tube End Attach Dia (mm) | 8 |
| Fits | Isuzu, Saturn, Chevrolet, and GMC · 20 vehicles |
Lift support. Helps hold glass open smoothly and securely.
Plastic socket ends. Simple attachment points for a clean, secure connection.
Stabilus engineering. Trusted gas spring design for consistent support.
Cross-references AMS Automotive 4575, Focus Auto Parts 84575 and Stabilus 4B-166623 for the same application. See all 24.
Back Glass Lift Support for GM and Isuzu SUVs
This Stabilus back glass lift support is built for rear glass applications that need controlled opening and steady hold position. It is a direct-fit style replacement for select Chevrolet Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, Saturn Relay, and Isuzu Ascender models, including the extended-version Ascender application.
- Brand: Stabilus
- Part number: 4B-166623
- Back glass lift support for rear glass liftgate operation
- Compressed length: 13.484 in. / 342.5 mm
- Extended length: 19.961 in. / 507 mm
- Force rating: 160 N / 36 lb
- Rod diameter: 0.236 in. / 6 mm
- Tube diameter: 0.591 in. / 15 mm
- Plastic socket rod, shaft, and tube connections
Fitment Details
Compatible with rear glass applications on these vehicles:
- Fits 2004-2007 Isuzu Ascender, N/A, Extended Version
- Fits 2005-2007 Saturn Relay, N/A
- Fits 2002-2006 Chevrolet Trailblazer EXT, N/A
- Fits 2002-2006 GMC Envoy XL, N/A
- Fits 2004-2005 GMC Envoy XUV, N/A
- Fits 2003 Isuzu Ascender, N/A
Product Details
The Stabilus 4B-166623 is a rear glass lift support engineered for controlled motion and consistent holding force on the back glass of select GM and Isuzu utility vehicles. With a 160 N force rating, 19.961-inch extended length, and plastic socket end connections, it matches the dimensions and attachment style used in the listed applications. This part cross-references Focus Auto Parts 84575 for the same application.
Common Problems This Part Can Address
- Rear glass that will not stay open
- Back glass that drops too quickly when lifted
- Weak or worn lift support pressure
- Uneven or inconsistent rear glass operation
- Noisy or unstable rear glass movement
Installation Notes and Tips
Verify the compressed and extended lengths, rod diameter, tube diameter, and plastic socket attachment style before installation. Compare the existing support to part number 4B-166623 to confirm the correct rear glass application for your Chevrolet Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, Saturn Relay, or Isuzu Ascender. Always support the glass before removing the old support and check both sides of the lift mechanism for wear.
Quality Assurance
Stabilus is a recognized supplier of gas-charged support components used in automotive lift applications. Part number 4B-166623 is specified for the listed vehicle fitments and dimensional requirements.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Isuzu | Ascender | N/A | Extended Version |
| 2007 | Saturn | Relay | N/A | — |
| 2006 | Chevrolet | Trailblazer EXT | N/A | — |
| 2006 | GMC | Envoy XL | N/A | — |
| 2006 | Isuzu | Ascender | N/A | Extended Version |
| 2006 | Saturn | Relay | N/A | — |
| 2005 | Chevrolet | Trailblazer EXT | N/A | — |
| 2005 | GMC | Envoy XL | N/A | — |
| 2005 | GMC | Envoy XUV | N/A | — |
| 2005 | Isuzu | Ascender | N/A | Extended Version |
| 2005 | Saturn | Relay | N/A | — |
| 2004 | Chevrolet | Trailblazer EXT | N/A | — |
| 2004 | GMC | Envoy XL | N/A | — |
| 2004 | GMC | Envoy XUV | N/A | — |
| 2004 | Isuzu | Ascender | N/A | Extended Version |
| 2003 | Chevrolet | Trailblazer EXT | N/A | — |
| 2003 | GMC | Envoy XL | N/A | — |
| 2003 | Isuzu | Ascender | N/A | — |
| 2002 | Chevrolet | Trailblazer EXT | N/A | — |
| 2002 | GMC | Envoy XL | N/A | — |
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