OE Quality
60-Day Returns

StrongArm 4557 Liftgate Lift Support
StrongArm Liftgate Lift Support Overview
The StrongArm 4557 Liftgate Lift Support is engineered specifically for select Cadillac, Chevrolet, and GMC SUVs and trucks. Designed to provide reliable lift assistance and secure hold for your vehicle's liftgate, this part ensures smooth operation and enhanced safety.
- Compressed length: 15.69 inches
- Extended length: 24.69 inches
- Cylinder outside diameter: 22.0 mm
- Stroke length: 9.0 inches
- Inner shaft diameter: 10.0 mm
- Steel outer cylinder with black finish
- Ball socket (nylon) 10mm ends on both sides
- Maximum force rating: 130 lbs
- Materials include rubber and Teflon components
Technical Details and Compatibility
This StrongArm liftgate lift support (part number 4557) is a specific fit for Cadillac Escalade, Chevrolet Suburban 1500 and 2500, Chevrolet Tahoe, GMC Yukon, Yukon XL 1500, and Yukon XL 2500 models. The steel outer cylinder with a black finish provides durability and corrosion resistance. Both ends feature 10mm nylon ball sockets for secure attachment and smooth pivoting action. The lift support has a stroke length of 9 inches, allowing for controlled lift and hold of the vehicle’s liftgate. The maximum force rating of 130 pounds ensures adequate support for heavy liftgates common in these full-size SUVs and trucks.
Purpose and Problem Solving
- Supports and holds open heavy liftgates on Cadillac Escalade and GMC Yukon models
- Replaces worn or failing lift supports that cause liftgate sagging or difficulty opening
- Prevents sudden liftgate closure that can cause injury or damage
- Restores smooth and controlled liftgate operation on Chevrolet Suburban and Tahoe vehicles
- Eliminates noise and instability caused by degraded lift supports
Installation Notes and Tips
- Ensure vehicle liftgate is fully supported before removing old lift support
- Use appropriate tools to detach ball socket ends carefully to avoid damage
- Verify compressed and extended lengths match OEM specifications for proper fit
- Lubricate ball socket ends if necessary for smoother installation
- Test liftgate operation after installation to confirm secure fit and function
Quality Assurance and Warranty
The StrongArm 4557 liftgate lift support is manufactured with high-quality steel and durable materials such as rubber and Teflon to ensure long-lasting performance. While no internal rebound spring is included, the design meets OEM standards for strength and reliability. This part is backed by StrongArm’s quality control processes to provide consistent fit and function for Cadillac, Chevrolet, and GMC vehicles. Please refer to StrongArm’s warranty policy for specific coverage details.
| Brand | StrongArm |
| Part Number | 4557 |
| Compressed Length | 15.69 |
| Cylinder Outside Diameter | 22.0 |
| End 1 Type | Ball Socket (Nylon) 10mm |
| End 2 Type | Ball Socket (Nylon) 10mm |
| Extended Length | 24.69 |
| Inner Shaft Diameter | 10.0 |
| Internal Rebound Spring | No |
| Materials | Rubber |
| Materials | Teflon |
| Maximum Force | 130.0 |
| Outer Cylinder Color | Black |
| Outer Cylinder Material | Steel |
| Stroke Length | 9.0 |
| Universal Or Specific Fit | Specific |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2006 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2005 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2005 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2005 | Chevrolet | Tahoe | N/A | |
| 2004 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2004 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2004 | Chevrolet | Tahoe | N/A | |
| 2004 | GMC | Yukon | N/A | |
| 2004 | GMC | Yukon XL 1500 | N/A | 1st Design |
| 2004 | GMC | Yukon XL 2500 | N/A | 1st Design |
| 2003 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2003 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2003 | Chevrolet | Tahoe | N/A | |
| 2003 | GMC | Yukon | N/A | |
| 2003 | GMC | Yukon XL 1500 | N/A | 1st Design |
| 2003 | GMC | Yukon XL 2500 | N/A | 1st Design |
| 2002 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2002 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2002 | Chevrolet | Tahoe | N/A | |
| 2002 | GMC | Yukon | N/A | |
| 2002 | GMC | Yukon XL 1500 | N/A | 1st Design |
| 2002 | GMC | Yukon XL 2500 | N/A | 1st Design |
| 2001 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2001 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2001 | Chevrolet | Tahoe | N/A | |
| 2001 | GMC | Yukon | N/A | |
| 2001 | GMC | Yukon XL 1500 | N/A | 1st Design |
| 2001 | GMC | Yukon XL 2500 | N/A | 1st Design |
| 2000 | Cadillac | Escalade | N/A | 1st Design |
| 2000 | Chevrolet | Suburban 1500 | N/A | 1st Design |
| 2000 | Chevrolet | Suburban 2500 | N/A | 1st Design |
| 2000 | Chevrolet | Tahoe | N/A | |
| 2000 | GMC | Yukon | N/A | |
| 2000 | GMC | Yukon XL 1500 | N/A | 1st Design |
| 2000 | GMC | Yukon XL 2500 | N/A | 1st Design |
| 1999 | Cadillac | Escalade | N/A | 1st Design |
| 1999 | Chevrolet | Tahoe | N/A | |
| 1999 | GMC | Yukon | N/A | |
| 1998 | Chevrolet | Tahoe | N/A | |
| 1998 | GMC | Yukon | N/A | |
| 1997 | Chevrolet | Tahoe | N/A | |
| 1997 | GMC | Yukon | N/A | |
| 1996 | Chevrolet | Tahoe | N/A | |
| 1996 | GMC | Yukon | N/A | |
| 1995 | Chevrolet | Tahoe | N/A | |
| 1995 | GMC | Yukon | N/A | |
| 1994 | GMC | Yukon | N/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.