• Protects gearbox from contaminants, extending component life
• Maintains proper oil levels, ensuring smoother gear shifts
• Reduces risk of leaks, safeguarding your transmission
• Designed to meet OEM standards, guaranteeing reliable fit and seal

The Corteco Primary Shaft Oil Seal is essential for maintaining the performance and longevity of LT77 and R380 gearboxes. This high-quality seal prevents oil leaks and blocks dust and contaminants, preserving the transmission’s internal parts. A precise fit and durable construction reduce wear, delivering better gearbox efficiency, smoother shifting, and lower maintenance costs.