Buick GS 350 Seat Belts - OEM-Style Lap & Shoulder Belt Conversion Kits

Restore both the safety and originality of your Buick GS 350 with replacement seat belts designed specifically for your vehicle. Each belt is manufactured to match the original mounting points, buckle style, and webbing pattern of your Buick GS 350—delivering a factory-correct fit and reliable, everyday protection.

Our Buick GS 350 seat belt options include lap-only belts, retractable and non-retractable 3-point shoulder conversions, and correct OE-style hardware such as buckles and retractor covers, available in a range of factory colors and webbing finishes to match your interior. Every belt is manufactured and tested to comply with FMVSS 209/302 safety standards for genuine peace of mind behind the wheel.

Use the Vehicle Selector above to find the correct seat belts for your Buick GS 350, or browse below to explore available options. Whether you’re completing a full restoration or simply replacing worn, faded, or non-functioning belts, Factory Interiors makes it easy to upgrade your Buick GS 350 with seat belts made in the USA.