Lesjöfors 8104265 Bonnet
Manufacturer's item number: 8104265Quality product Brand new
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Lesjöfors 8104265 Bonnet
The Lesjöfors 8104265 Bonnet is a high‑performance gas spring designed to enhance the functionality and comfort of automotive cargo areas, hatches, and engine covers. Engineered with precision, this component delivers reliable lift support, smooth operation, and long‑lasting durability for a wide range of vehicles.
Key Functionalities
- Lift Assistance: Provides controlled upward force to open hatches or engine covers with minimal effort.
- Load Distribution: Evenly distributes weight across the opening mechanism, reducing strain on hinges and structural components.
- Smooth Operation: Features a finely tuned compression system that ensures quiet, seamless movement during both opening and closing cycles.
- Durability: Constructed from high‑grade steel alloys with protective coatings to resist corrosion, temperature extremes, and mechanical wear.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 8104265 |
| Type | Gas Spring (Bonnet) |
| Application | Engine covers, cargo area hatches, rear doors of passenger cars and SUVs. |
| Force Rating | Variable – typically between 200 N to 400 N depending on installation configuration. |
| Stroke Length | Approximately 120 mm (varies with mounting position). |
| Operating Temperature Range | -40 °C to +80 °C |
| Material | High‑strength steel alloy, powder‑coated for corrosion resistance. |
| Weight | ~0.8 kg (depending on specific variant). |
Installation Overview
The installation process for the Lesjöfors 8104265 Bonnet is straightforward, yet it requires careful alignment to ensure optimal performance. Below is a step‑by‑step guide:
- Preparation: Clean all mounting surfaces and remove any debris or old fasteners.
- Mounting the Spring: Attach the spring’s upper bracket to the vehicle’s frame or hatch structure using the supplied bolts. Ensure that the bracket is positioned at the correct height for desired lift force.
- Securing the Lower End: Fasten the lower end of the spring to the bonnet or cargo area cover, aligning it with the hinge axis.
- Testing: Open and close the hatch multiple times to verify smooth operation. Adjust bolt tension if necessary to fine‑tune lift height.
- Final Check: Inspect all connections for tightness and confirm that no metal parts are rubbing against each other during movement.
Compatibility Highlights
The Lesjöfors 8104265 Bonnet is engineered to fit a broad spectrum of automotive models, including but not limited to:
- Audi A3 (2016‑2020) – rear hatch and cargo area.
- Various passenger cars requiring engine cover support.
- Light commercial vehicles with large cargo doors.
Its modular design allows for left or right side mounting, making it suitable for both domestic and export markets. The spring’s adjustable force rating accommodates different load requirements across vehicle classes.
Performance Benefits
- Reduced Effort: Drivers experience minimal physical strain when opening heavy hatches or engine covers.
- Extended Component Life: By offloading stress from hinges and structural frames, the spring prolongs the lifespan of these critical parts.
- Quiet Operation: The gas‑filled chamber ensures that movements are smooth and noise is kept to a minimum.
- Weather Resistance: Powder coating and robust steel construction guard against rust, salt spray, and UV degradation.
Maintenance Guidelines
Although the Lesjöfors 8104265 Bonnet is designed for low maintenance, periodic checks can help maintain peak performance:
- Inspect for visible dents or corrosion on the spring housing.
- Check bolt torque values every 10,000 km to ensure secure attachment.
- Lubricate hinge pins lightly if any resistance is felt during operation.
- Avoid overloading beyond the specified force rating; excessive load can compress the gas chamber and reduce lifespan.
Why Choose Lesjöfors?
Lesjöfors has a longstanding reputation for manufacturing high‑quality automotive suspension components. The 8104265 Bonnet exemplifies this commitment through:
- Precision engineering backed by rigorous testing protocols.
- Use of premium materials that meet or exceed industry standards.
- Versatile design adaptable to a wide range of vehicle architectures.
- Consistent performance across diverse climatic conditions.
Conclusion
The Lesjöfors 8104265 Bonnet stands out as an essential component for automotive manufacturers and aftermarket installers seeking reliable lift assistance. Its blend of robust construction, adaptable design, and user‑friendly installation makes it a go‑to solution for enhancing vehicle ergonomics and longevity.
Frequently Asked Questions
- What is the typical lifespan of this gas spring?
- With proper installation and maintenance, it can last upwards of 50,000 km or more, depending on usage intensity.
- Can I replace a damaged spring with a different model?
- It’s recommended to use the exact model (8104265) to ensure compatibility in force rating and mounting geometry.
- Is this component suitable for commercial trucks?
- The design is primarily targeted at passenger cars and light commercial vehicles; heavier-duty applications may require a different specification.
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| Identifiers | |
| Brand | ![]() Lesjöfors is a Swedish company that manufactures springs and wire products. It was founded in 1916 and is now a subsidiary of the Swedish company IKV. |
| Model | Lesjöfors 8104265 |
| MPN | Lesjöfors 8104265 |
| ID | 8304569 |
| Dimensions / Weight | |
| Key Features | |

