ARB Air Locker - RD187 AMC 20 2.73 & Down

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  • Description

About the Air Locker Kit:

Air locker locking differentials by ARB allow you to tackle the toughest terrain. The world's premier traction aid, ARB air lockers keep you moving in all conditions.

A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.

Please note: Not all units are supplied with replacement carrier bearings.

ARB Locking Differential Fitting Details:

This part number will fit the following makes/models:

  • Hummer H1 - 2.73 & Down Ratio

Fitting Instructions & Warranty

For fitting instructions, please download the following PDF: 

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