Commercial vehicles endure constant high-pressure and extended operation, resulting in seal failures and costly downtime—GYA's heavy-duty seals deliver exceptional reliability to keep fleets running smoothly and profitably.

Full-service kits for diesel engines like Volvo D-series, including all essential components for quick, efficient repairs in high-mileage trucks.

Reinforced multi-layer kits for superior compression and heat management, compatible with Cummins and Scania models to extend service life in demanding logistics.