1. Introduction
This document provides essential information for the installation, maintenance, and general understanding of the HELLA 8AS 355 666-831 Parking Brake Cable. Please read these instructions carefully before proceeding with any installation or service to ensure proper function and safety.
2. Product Overview
The HELLA 8AS 355 666-831 is a high-quality parking brake cable designed for specific vehicle applications. It is engineered to meet stringent requirements for rope diameter, number of turns, fittings, and attachment points, ensuring reliable performance.

Figure 1: HELLA 8AS 355 666-831 Parking Brake Cable. An image showing the HELLA 8AS 355 666-831 parking brake cable, coiled for display. It features a black protective casing, a metal cable end with a small cylindrical stopper, and a spring-like metal end.
3. Specifications
| Manufacturer | Hella KGaA Hueck & Co. |
| Brand | Hella |
| Item Model Number | 8AS 355 666-831 |
| Manufacturer Part Number | 8AS 355 666-831 |
| OEM Part Numbers | 51731443; 51770286 |
| Length 1 | 1530 mm |
| Length 2 | 1305 mm |
| Item Weight | 1.14 pounds (0.49 kg) |
| Product Dimensions | 14.92 x 14.92 x 0.67 inches |
4. Vehicle Compatibility
This parking brake cable is suitable for various Fiat and Lancia vehicle models. It is crucial to verify the exact vehicle assignment and part number compatibility with your specific vehicle before installation. Consult your vehicle's service manual or a qualified mechanic for precise fitment information.
5. Installation Guidelines
Installation of the HELLA 8AS 355 666-831 Parking Brake Cable is designed for a "plug and play" experience with high accuracy of fit. However, professional installation is recommended to ensure safety and proper function.
Key Installation Features:
- Precision Fit: The cable is manufactured to ensure exact dimensions and connections for seamless integration.
- Original Equipment Standards: Rubber buffers are applied to the metal sleeve using a spraying process, mirroring original equipment manufacturing for durability and protection.
- Quality Assurance: Designed to meet the highest standards regarding rope diameter, number of turns, fittings, and attachment points.
Always refer to your vehicle's specific service manual for detailed, step-by-step installation procedures and torque specifications.
6. Maintenance
Parking brake cables generally require minimal maintenance. However, periodic inspection is recommended to ensure optimal performance and safety.
Inspection Points:
- Cable Condition: Check for any signs of fraying, corrosion, or damage to the outer casing.
- Attachment Points: Ensure all connections are secure and free from excessive wear.
- Operation: Test the parking brake regularly to confirm it engages and disengages smoothly and holds the vehicle securely.
If any issues are observed, consult a qualified mechanic for assessment and repair.
7. Troubleshooting
If you experience issues with your parking brake system, consider the following general troubleshooting steps. Always prioritize safety and consult a professional if you are unsure.
Common Issues and Potential Causes:
- Parking Brake Not Holding:
- Cable stretch or adjustment needed.
- Worn brake shoes/pads or calipers.
- Damaged cable or mechanism.
- Parking Brake Sticking:
- Corrosion or debris in the cable housing.
- Damaged cable or mechanism.
- Seized brake components.
- Excessive Lever Travel:
- Cable stretch.
- Brake adjustment required.
For any persistent issues, it is strongly recommended to have the vehicle inspected by a certified automotive technician.
8. Warranty and Support
For information regarding warranty coverage or technical support for your HELLA 8AS 355 666-831 Parking Brake Cable, please refer to the official Hella website or contact Hella customer service directly. Keep your purchase receipt and product model number handy when seeking support.
Manufacturer: Hella KGaA Hueck & Co.
Brand: Hella
Model Number: 8AS 355 666-831





