lesjofers 4204249 Coil Spring Rear

Lesjöfors 4204249 Coil Spring – Rear Axle

The Lesjöfors 4204249 coil spring is a high‑performance suspension component designed for the rear axle of vehicles such as the Audi A3 TT and VW Golf. Manufactured by the renowned Swedish company Lesjöfors, this spring delivers exceptional durability, precise load handling, and consistent ride quality.

Key Technical Specifications

• Spring Type: Helical (coil) spring
• Application: Rear axle suspension for compact cars and hatchbacks
• Manufacturer: Lesjöfors
• Part Number: 4204249
• Material: High‑strength alloy steel with protective coating to resist corrosion
• Load Capacity: Designed for standard passenger vehicle weight ranges, providing optimal balance between stiffness and comfort
• Spring Rate: Engineered to match the original equipment specifications of Audi A3 TT and VW Golf models
• Dimensions: Tailored to fit the rear axle geometry of the target vehicles without requiring additional modifications

Design Features & Engineering Excellence

The Lesjöfors 4204249 spring incorporates several advanced design elements that set it apart from generic aftermarket options:

• Precision Wire Tensioning: Each coil is tensioned to exact specifications, ensuring uniform load distribution and minimizing the risk of uneven wear.
• Optimized Helix Geometry: The spring’s helix pitch and diameter are calibrated for smooth compression and rebound characteristics, enhancing handling stability during cornering and braking.
• Corrosion‑Resistant Finish: A proprietary coating protects the steel from rust and environmental degradation, extending service life even in harsh climates.
• Low Profile Construction: The compact design allows for easy installation within the existing suspension architecture, preserving the vehicle’s original aesthetics.

Performance Benefits

Installing the Lesjöfors 4204249 coil spring can noticeably improve several aspects of a vehicle’s dynamics:

• Ride Comfort: The spring rate is tuned to absorb road irregularities while maintaining a smooth ride for occupants.
• Handling Precision: Consistent suspension geometry reduces body roll and improves steering response, especially during high‑speed maneuvers.
• Durability: The robust construction resists fatigue over extended mileage, reducing the likelihood of spring failure.
• Compatibility: Designed to fit seamlessly with the original suspension components, eliminating the need for additional adapters or modifications.

Installation Overview

While professional installation is recommended for optimal results, the Lesjöfors 4204249 spring can be installed by experienced mechanics following these general steps:

1. Remove the existing rear coil spring: Carefully detach the old spring from the suspension arm and mounting points.
2. Prepare the new spring: Verify that the protective coating is intact and that the spring matches the vehicle’s specifications.
3. Mount the new spring: Secure it onto the rear axle assembly, ensuring proper alignment with the suspension arm.
4. Tighten all fasteners: Use a torque wrench to achieve manufacturer‑specified torque values for safety and performance.
5. Check alignment: Verify that the spring is seated correctly and that there are no binding or interference issues.

Compatibility Summary

The Lesjöfors 4204249 coil spring is specifically engineered for rear axle applications in:

• Audi A3 TT (various model years)
• VW Golf IV (1J1) and related hatchback variants
• Other compact cars with similar suspension geometry, provided the mounting points match the original design.

Conclusion

The Lesjöfors 4204249 coil spring represents a blend of precision engineering, high‑quality materials, and proven performance. Whether you’re restoring a classic Audi A3 TT or upgrading a VW Golf’s rear suspension, this component delivers reliable ride comfort, handling stability, and long‑term durability—all while maintaining the integrity of the vehicle’s original design.