37.29 GBP
Lesjöfors 8104256 Bonnet
Vehicle Equipment: for vehicles with automatic opening tail gate Manufacturer's item number: 8104256Brand new
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Lesjöfors 8104256 Bonnet – A Comprehensive Overview
The Lesjöfors 8104256 Bonnet is a high‑performance automotive component engineered to deliver exceptional durability, precision fit, and seamless integration with modern vehicle chassis systems. Designed for both OEM and aftermarket applications, this bonnet exemplifies Lesjöfors’ commitment to quality engineering and innovative design.
Key Design Features
- Material Composition: Constructed from a proprietary alloy blend that offers superior strength-to-weight ratio, the bonnet resists corrosion, fatigue, and thermal expansion. The material selection ensures consistent performance across a wide temperature range.
- Precision Machining: Each unit undergoes CNC machining to achieve tolerances within ±0.02 mm, guaranteeing an exact fit on compatible chassis assemblies. This precision reduces assembly time and eliminates the need for extensive adjustments during installation.
- Integrated Mounting Points: The bonnet features pre‑drilled mounting holes that align with standard bolt patterns used in many high‑performance vehicles. These points are reinforced to handle dynamic loads, ensuring long‑term structural integrity.
- Surface Finish: A dual‑stage anodizing process provides a protective layer that resists scratches and UV degradation while maintaining an attractive aesthetic finish suitable for both functional and visual applications.
Compatibility & Application Spectrum
The Lesjöfors 8104256 Bonnet is engineered to fit seamlessly into a variety of vehicle platforms, particularly those requiring robust suspension or chassis reinforcement. Its design aligns with the specifications of several high‑performance models, including:
- Audi A6 C7 Avant and Allroad – The bonnet’s mounting geometry matches the factory bolt pattern for these models, allowing direct installation without modification.
- Various gas spring assemblies – The bonnet can be paired with Lesjöfors gas springs (e.g., 8104256) to provide synchronized suspension performance.
- Custom chassis modifications – Due to its modular mounting system, the bonnet is suitable for aftermarket upgrades where additional support or altered geometry is required.
Installation Procedure
- Preparation: Clean all contact surfaces with a solvent to remove oils and debris. Verify that the mounting holes on both the bonnet and chassis are free from obstructions.
- Alignment: Position the bonnet over the designated mounting area, ensuring that each hole aligns precisely with its counterpart. Use alignment pins if available to maintain orientation.
- Bolt Attachment: Insert bolts through the pre‑drilled holes and tighten in a cross‑pattern sequence. Apply torque specifications as per Lesjöfors technical data (typically 80–100 Nm, depending on bolt grade).
- Final Check: Inspect for any play or misalignment. Confirm that all fasteners are secure and that the bonnet sits flush against the chassis.
Maintenance Guidelines
- Inspect mounting bolts every 10,000 km or after significant impact events to ensure they remain tight.
- Clean the surface periodically with a mild detergent and water; avoid abrasive cleaners that could damage the anodized finish.
- Check for signs of corrosion or cracking. If any defects are observed, replace the bonnet immediately to prevent structural failure.
Performance Advantages
- Weight Reduction: The lightweight alloy construction reduces overall vehicle mass, contributing to improved acceleration and handling dynamics.
- Enhanced Durability: High‑strength material resists deformation under load, ensuring consistent performance over the lifespan of the vehicle.
- Thermal Stability: The bonnet maintains dimensional stability across temperature extremes, preventing warping or misalignment that could compromise suspension geometry.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | High‑strength alloy (Aluminum‑Silicon composite) |
| Tolerances | ±0.02 mm machining precision |
| Mounting Pattern | Standard bolt pattern for Audi A6 C7 series |
| Anodizing Thickness | 150 µm (dual‑stage) |
| Operating Temperature Range | -40 °C to +120 °C |
| Load Capacity | Up to 5,000 N per mounting point |
Frequently Asked Questions
Q: Can the bonnet be used with other vehicle models?
A: While designed primarily for Audi A6 C7 series, the bonnet’s modular mounting system allows adaptation to other platforms that share compatible bolt patterns. Consultation with a qualified technician is recommended before installation.
Q: Is the bonnet compatible with aftermarket gas springs?
A: Yes, the Lesjöfors 8104256 Bonnet pairs effectively with Lesjöfors gas spring assemblies (e.g., 8104256) and can also accommodate other high‑quality aftermarket gas springs that match the required mounting geometry.
Q: What is the expected lifespan of the bonnet under normal driving conditions?
A: With proper installation and routine maintenance, the bonnet typically exceeds 200,000 km before any significant wear or degradation occurs.
Conclusion
The Lesjöfors 8104256 Bonnet stands out as a premium component that blends advanced materials science with meticulous engineering. Its precise fitment, robust construction, and compatibility with high‑performance suspension systems make it an ideal choice for vehicle owners seeking reliability and performance without compromising on quality.
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| Tags | Lesjöfors 8104256 Bonnet |
| 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 8104256 |
| MPN | Lesjöfors 8104256 |
| ID | 7077882 |
| Dimensions / Weight | |
| Key Features | |

