ARB 150356 Master Shim for Air Locker Differential

The ARB 150356 Master Shim is a precision replacement component designed for ARB Air Locker differential assemblies. This individual shim is essential for achieving proper carrier bearing preload during air locker installation, rebuilds, or routine service procedures.

Key Features:

• Genuine ARB replacement part for air locker differentials
• Precision-machined for accurate bearing preload adjustment
• Used between seal housing and bearing or air collar assemblies
• Critical component for proper differential setup and performance
• Ensures optimal air locker operation and longevity

Master shims are used in combination with ARB shim kits to achieve the manufacturer's specified carrier bearing preload. Proper shimming is crucial for reliable air locker performance and preventing premature wear. This component is compatible with various ARB Air Locker models including RD30, RD100, and RD104 series.