ARB 728K161 Air Locker Gear Set Side Pin - H1

The ARB 728K161 is a precision-engineered gear set designed specifically for ARB Air Locker locking differentials. This replacement component features forged nickel alloy steel side gears and hardened retaining pins that are essential for the internal operation of the Air Locker differential system.

Key Features:

• Forged nickel alloy steel construction for maximum strength and durability
• Custom hardened one-piece retaining pins with tapered thread junction
• Designed for K16 side gear configuration with H1 pin specification
• Direct replacement component for ARB Air Locker differential assemblies
• Engineered to handle extreme torque loads in off-road conditions
• Compatible with ARB's patented timed gear design

This gear set is a critical internal component for maintaining the performance and reliability of ARB Air Locker differentials. The forged gear design provides superior strength compared to standard cast gears, making it ideal for demanding 4x4 and off-road applications. Installation requires professional differential assembly knowledge and proper setup procedures.