Seat Belts Engineered for Safety, Performance and Compliance
GSB delivers automotive-quality seat belts and restraint systems for custom applications, backed by 50+ years of engineering. Serving automotive, industrial, marine, special-purpose, and off-highway vehicles, we combine engineering expertise, automated production, and international homologations to provide certified, tailor-made solutions for OEMs, vehicle builders, integrators, and professional users.
Tailored Seat Belt Manufacturing
We design and manufacture different types of seat belts, adapted and customized to the requirements of our clients:
- 3-points and 2-points seat belts
- Retractable and non-retractable seat belts
- Seat belts with pretensioners
We offer you the possibility of creating your own branded seat belt design, by customizing the different parts of the safety system:
- Webbing
- Retractors
- Buckles
- Tongues
Engineering Heritatge & Proven Expertise
GSB is a long-established European manufacturer specializing in custom seat belts, safety harnesses and restraint components.
Safety, Compliance & Certification
GSB seat belts and harnesses uphold strict global standards, including:
Check our certificates page for more information.
Every system is produced under controlled quality processes and undergoes:
Our goal is to help OEMs and integrators achieve safe, compliant and audit-ready installations.
Our seat belts by vehicle type
Our products are featured in more than 200 vehicle models produced by over 100 well-diversified OEM customers worldwide. We also work with many original equipment manufacturers to design custom solutions for their seats and vehicles
Seat Belts for Large Vehicles
Seat Belts for Special Vehicles
Most Frequently Asked Questions
GSB focuses on application-driven design, consistent quality control, global compliance support, and responsive engineering assistance. We build seat belt systems specifically tuned to the seat and vehicle type — not one-size-fits-all solutions.
Yes. We offer compliance documentation and can assist customers with certification requirements, especially for regulated commercial and specialty vehicle applications.
Most of our systems are designed for straightforward installation with flexible mounting options. We also provide fitment guidance to ensure proper and secure installation.
Our seat belts are engineered for long-term performance in demanding environments. We use high-strength webbing, corrosion-resistant hardware, and tested retractor systems designed for commercial and specialty applications.
Yes. We provide fleet solutions with consistent quality, traceability, and streamlined ordering. Our team works with commercial operators to ensure safety compliance and long-term durability.
Choosing the correct seat belt depends on your vehicle type, seat design, mounting points, and intended use. Our team provides fitment guidance to ensure you get a properly engineered solution that meets safety and compliance requirements for your specific application.
Absolutely. We offer custom belt lengths, mounting options, buckle types, hardware finishes, webbing colors, extenders, and private labeling. Every configuration is built to match your vehicle and usage requirements.
We support both. GSB provides retrofit solutions for existing vehicles and engineered systems for OEM integration. Our team can assist with fitment guidance and application-specific requirements.
Yes. Our seat belts meet or exceed ECE R16, SAE J386 and FMVSS 209/302 requirements. Many of our products are field-tested and certified in collaboration with aftermarket suppliers and OEM partners.
We design and supply seat belts for cars, trucks, vans, motorhomes, buses, coaches, marine vessels, specialty vehicles, and classic vehicle restorations. Our systems are engineered to match specific seat types and mounting configurations.



















