ARB 013021SP Air Locker Differential Case Return Spring

The ARB 013021SP is a replacement return spring designed specifically for ARB Air Locker differential cases with ring gear sizes of 149mm and 157mm. This critical internal component ensures proper operation of the Air Locker engagement mechanism by returning the sliding collar to its disengaged position when air pressure is released.

Key Features:

• Precision-engineered return spring for ARB Air Locker systems
• Compatible with 149mm and 157mm ring gear differential cases
• Direct OEM replacement part for reliable Air Locker operation
• Manufactured to ARB's strict quality standards
• Essential component for maintaining proper locker engagement and disengagement

This return spring is a genuine ARB service part designed to restore full functionality to Air Locker differentials. Regular inspection and replacement of internal components like return springs helps ensure your Air Locker system operates reliably when you need it most on the trail.