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Stabilus 577243capos

Eject Force [N]: 320 - Length [mm]: 307 - Stroke [mm]: 90

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Stabilus 577243 Gas Spring

The Stabilus 577243 is a high‑performance gas spring designed to provide reliable support and smooth operation for vehicle tailgates, cargo areas, and rear doors. Engineered with precision, this component delivers consistent force across its travel range, ensuring that the rear section of your vehicle remains stable during loading, unloading, and everyday use.

Key Technical Specifications

  • Force Rating: 320 N (approximately 72 lb)
  • Travel Length: 90 mm (3.54 in)
  • Diameter: 30 mm (1.18 in) – standard for most automotive applications
  • Material: High‑strength steel alloy with corrosion‑resistant coating
  • Operating Temperature Range: –40 °C to +120 °C (–40 °F to 248 °F)
  • Weight: Approximately 0.45 kg (1 lb)

Design Features and Advantages

The Stabilus 577243 incorporates several design elements that set it apart from conventional gas springs:

  1. Dual‑Stage Gas Chamber: The spring’s internal chamber is divided into two sections, allowing for a gradual increase in pressure as the tailgate moves. This results in smoother opening and closing motions.
  2. Pre‑Tensioned Spring Mechanism: By pre‑tensioning the coil during manufacturing, the component maintains consistent force throughout its entire travel, reducing wear on mounting hardware.
  3. Corrosion‑Resistant Finish: A specialized coating protects against rust and degradation caused by road salt, humidity, and temperature fluctuations.
  4. Compact Footprint: The spring’s slim profile fits easily into tight spaces commonly found in older or retrofitted vehicles without requiring extensive modifications.

Compatibility Overview

The Stabilus 577243 is engineered to fit a wide range of automotive models, particularly those from the Alfa Romeo Alfasud and Sprint series. However, its standardized dimensions make it suitable for many other vehicles that require a 320 N gas spring with a 90 mm travel length.

Vehicle Make Model Series Year Range Application
Alfa Romeo Alfasud Sprint 1976–1989 Rear door / cargo area
Alfa Romeo Alfasud 1974–1990 Tailgate support
Various European cars Older models Pre‑2000 Rear hatch or cargo area

Installation Guide

Installing the Stabilus 577243 is straightforward and can be completed with basic hand tools. Follow these steps to ensure a secure fit:

  1. Preparation: Remove any existing gas spring or mounting hardware from the vehicle’s rear section.
  2. Align the Spring: Position the new gas spring so that its mounting flange aligns with the pre‑drilled holes on the vehicle frame and tailgate assembly.
  3. Screw in Place: Using a socket wrench, tighten the mounting bolts to the manufacturer’s torque specification (typically 20–25 Nm). Avoid overtightening to prevent damage to the spring housing.
  4. Test Operation: Open and close the tailgate several times to confirm smooth movement. The spring should provide consistent support without excessive resistance or slack.
  5. Final Check: Inspect all fasteners for tightness after a few operational cycles, as initial settling can slightly loosen bolts.

Maintenance Tips

While the Stabilus 577243 is designed for long‑term reliability, proper care extends its service life:

  • Regular Inspection: Check for visible rust, dents, or leaks in the gas chamber. Any signs of damage warrant replacement.
  • Lubrication: Apply a light coat of silicone spray to the mounting surfaces to reduce friction during movement.
  • Avoid Overloading: Do not exceed the recommended load capacity for the vehicle’s cargo area, as excessive weight can strain the spring and compromise safety.

Performance Highlights

The Stabilus 577243 delivers a blend of strength, durability, and smooth operation that enhances both functionality and user experience:

  • Consistent Force Output: Maintains 320 N throughout the entire travel range.
  • Smooth Operation: Dual‑stage design reduces jerky movements during opening and closing.
  • Long‑Term Durability: Corrosion‑resistant coating protects against environmental factors.
  • Easy Replacement: Standardized dimensions allow for quick swaps with minimal tooling.

Why Choose the Stabilus 577243?

When selecting a gas spring for your vehicle’s rear section, consider these compelling reasons to opt for the Stabilus 577243:

  1. Proven Reliability: Widely used in classic Alfa Romeo models and other vehicles, it has earned a reputation for dependable performance.
  2. Precision Engineering: Manufactured under strict quality controls to ensure uniformity across each unit.
  3. Versatile Fit: Its compact size and standard mounting interface make it suitable for a variety of applications beyond its original design scope.
  4. Enhanced Safety: By providing steady support, the spring reduces the risk of accidental tailgate slamming or cargo shifting during transit.

Conclusion

The Stabilus 577243 Gas Spring stands out as a top‑choice component for anyone seeking reliable, smooth, and durable support for vehicle rear doors and cargo areas. Its thoughtful design, robust construction, and ease of installation make it an excellent investment for maintaining the integrity and functionality of your automotive setup.


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- Trunk gas spring for car
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at
21.17 EUR
de
12.47 EUR
it
16.58 EUR
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Identifiers
Brand Stabilus

Stabilus is a brand that produces gas springs, which are used to support and control the motion of heavy objects. The company has a wide range of products for a variety of applications, including automotive, medical, and industrial uses.
MPN Stabilus 577243
ID 20735627
Dimensions / Weight
Key Features

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