OE Quality
60-Day Returns

Stabilus 5B-280378 Hood Lift Support
Overview of Stabilus Hood Lift Support 5B-280378
The Stabilus Hood Lift Support part number 5B-280378 is designed to provide reliable hood support for select INFINITI models. Engineered for durability and consistent performance, this hood lift support ensures smooth hood operation and secure positioning for INFINITI EX35, EX37, and QX50 vehicles.
- Compatible with INFINITI EX35, EX37, and QX50 models
- Force rating of 300 Newtons (67 lbs) for stable hood support
- Compressed length of 228.5 mm (8.996 inches) and extended length of 349 mm (13.74 inches)
- Rod diameter of 8 mm (0.315 inches) with plastic socket rod connection
- Tube diameter of 18 mm for enhanced strength and durability
Technical Specifications and Features
This hood lift support features a compressed length of 228.5 mm (8.996 inches) and extends to 349 mm (13.74 inches), providing optimal range for hood opening and closing. The rod diameter measures 8 mm (0.315 inches) and connects via a plastic socket, ensuring secure attachment and smooth operation. The tube diameter of 18 mm contributes to the structural integrity required for consistent hood support. With a force rating of 300 Newtons (67 lbs), this gas spring offers sufficient lift assistance for the hood of INFINITI EX35, EX37, and QX50 models.
Application and Common Issues Addressed
- Supports the hood securely during maintenance or inspection
- Prevents sudden hood drops that can cause injury or damage
- Replaces worn or weak hood lift supports to restore proper hood function
- Eliminates difficulty in opening or holding the hood open
- Reduces wear on hood hinges by providing balanced lift force
Installation Notes and Tips
Installation of the Stabilus 5B-280378 hood lift support requires matching the compressed and extended lengths to the vehicle’s specifications. Ensure the plastic socket rod end is properly seated on the hood and body mounting points. It is recommended to replace lift supports in pairs to maintain balanced hood operation. Use appropriate tools to avoid damage to the rod or socket during installation.
Quality Assurance and Warranty
Stabilus is a recognized manufacturer of automotive gas springs and lift supports, known for consistent quality and reliability. This hood lift support is manufactured to meet OEM standards for fit and function on INFINITI EX35, EX37, and QX50 models. While specific warranty details are not provided, Stabilus products typically come with manufacturer-backed quality assurance to ensure long-term performance.
| Brand | Stabilus |
| Part Number | 5B-280378 |
| Y | |
| Y | |
| Body | 0.709 |
| Compressed Length | 8.996 |
| Compressed Length | 228.5 |
| Extended Length | 13.74 |
| Extended Length | 349 |
| Force (N) | 300 |
| Force Lbs | 67 |
| Hardware Kit | NO |
| Rod Connection | PLASTIC SOCKET |
| Rod Dia (IN) | 0.315 |
| Rod Diameter | 8 |
| Rod End Attachment Dia (IN) | 0.394 |
| Rod End Attachment Dia (MM) | 10 |
| Shaft | 0.315 |
| Shaft Connection | PLASTIC SOCKET |
| Tube Connection | PLASTIC SOCKET |
| Tube Dia (IN) | 0.709 |
| Tube Diameter | 18 |
| Tube End Attach Dia (IN) | 0.394 |
| Tube End Attach Dia (mm) | 10 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | INFINITI | QX50 | N/A | |
| 2016 | INFINITI | QX50 | N/A | |
| 2015 | INFINITI | QX50 | N/A | |
| 2014 | INFINITI | QX50 | N/A | |
| 2013 | INFINITI | EX37 | N/A | |
| 2012 | INFINITI | EX35 | N/A | |
| 2011 | INFINITI | EX35 | N/A | |
| 2010 | INFINITI | EX35 | N/A | |
| 2009 | INFINITI | EX35 | N/A | |
| 2008 | INFINITI | EX35 | 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.