ARB
ARB Airlocker 11.5In 30 Spl Aa&M S/N. - RD139
- SKU:
- ARBRD139
- UPC:
- 881348011909
- MPN:
- RD139
- Availability:
- Regularly stocked product
Description
Are ARB Air Lockers compatible with my vehicle?
ARB Air Lockers are designed for specific differential types, so confirming fitment for your exact vehicle model is crucial before installation.
Do ARB Air Lockers require professional installation?
Professional installation is highly recommended for ARB Air Lockers to ensure proper setup and optimal drivetrain performance.
ARB Air Lockers deliver unparalleled off-road control for serious rock crawling applications, scoring a 9. The 30 spline count and 11.5 ring gear diameter provide superior drivetrain strength. Experience instant traction on demand with this robust, sealed pneumatic locking system.
What Owners Say
Off-road enthusiasts consistently praise ARB Air Lockers as virtually indestructible, with many reporting zero problems after years of hardcore four-wheeling. Owners highlight their legendary durability—one noting you'd break other components before damaging the locker itself—and reliable performance when it matters most. While installation can be challenging, particularly for front differentials, and some mention concerns about potential air leaks, experienced users report these issues are rare and typically trace back to installation errors rather than product defects. The onboard air setup requires additional effort but adds valuable functionality. Across multiple vehicle platforms, ARB Air Lockers have earned their reputation as the gold standard for serious off-road capability.
Key Features
- pneumatically operated locking system
- Steel reinforced, elastomer bonded annular seal
Why Choose the ARB Air Lockers
Delivers instant traction on demand for ultimate off-road control.
Achieves maximum grip through a robust, sealed locking mechanism.
Provides unwavering drivetrain integrity for extreme terrain challenges.
Transforms your vehicle's capability for conquering any obstacle.
Who Is This For?
Weekend Off-Roading — 9/10
Pneumatic locker enhances traction in off-road conditions.
Serious Rock Crawling — 9/10
Pneumatic locker provides maximum traction for extreme terrain.
Overlanding / Expedition — 8/10
Pneumatic locker improves capability on challenging expedition routes.
Racing Competition — 7/10
Superior drivetrain strength for demanding racing environments.
High Speed Desert Running — 6/10
Drivetrain strength supports high-speed desert conditions.
Frequently Asked Questions
What are the performance benefits of an ARB Air Locker for off-roading?
ARB Air Lockers deliver instant traction on demand for ultimate off-road control. Achieving a score of 9 for Serious Rock Crawling, this pneumatically operated locking system ensures maximum grip. Transform your vehicle's capability for conquering any obstacle with unwavering drivetrain integrity.
Is installing an ARB Air Locker a DIY job?
Professional installation is recommended for ARB Air Lockers to ensure optimal performance and drivetrain integrity. Confirmation with a qualified technician is advised before proceeding with any installation. This ensures the pneumatic system is integrated correctly for superior off-road control.
How does an ARB Air Locker improve my vehicle's off-road capability?
Upgrading to an ARB Air Locker provides superior drivetrain strength that outperforms stock differentials for extreme terrain. The 30 spline count and 11.5 ring gear diameter ensure robustness, making it an essential upgrade for Off-road enthusiasts seeking enhanced traction and drivetrain strength for challenging terrain.
Will an ARB Air Locker fit my specific vehicle?
Confirm fitment with your vehicle before purchasing an ARB Air Locker to ensure compatibility. This specialized differential component is designed for enhanced off-road performance. A confirmed fitment guarantees the pneumatic locker integrates seamlessly for ultimate off-road control.
What makes ARB Air Lockers durable for extreme off-road use?
ARB Air Lockers achieve maximum grip through a robust, sealed locking mechanism featuring a steel reinforced, elastomer bonded annular seal. This design provides unwavering drivetrain integrity for extreme terrain challenges. Experience superior drivetrain strength for demanding racing environments.
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Differentials — Drivetrain
Additional Information
Clearance Item: |
N |
MPN: |
RD139 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Drivetrain>Differentials |
Product Level: |
Premium Performance |
Weekend Off-Roading: |
9/10 |
Serious Rock Crawling: |
9/10 |
Overlanding / Expedition: |
8/10 |
Racing Competition: |
7/10 |
High Speed Desert Running: |
6/10 |
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