---
product_id: 14225928
title: "ARB RD117 Air Locking Differential"
brand: "arb"
price: "€ 2690.56"
currency: EUR
in_stock: true
reviews_count: 6
category: "Arb"
url: https://www.desertcart.hr/products/14225928-arb-rd117-air-locking-differential
store_origin: HR
region: Croatia
---

# Air-activated selectable locker Fits Jeep JK Rubicon & similar 30 spline Dana 44 compatibility ARB RD117 Air Locking Differential

**Brand:** arb
**Price:** € 2690.56
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in your off-road dominance with ARB’s air-powered precision!

## Quick Answers

- **What is this?** ARB RD117 Air Locking Differential by arb
- **How much does it cost?** € 2690.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/14225928-arb-rd117-air-locking-differential)

## Best For

- arb enthusiasts

## Why This Product

- Trusted arb brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for Rugged Adventure:** Engineered to withstand the toughest off-road conditions with durable painted exterior.
- • **Air-Activated Locking Power:** Switch from open differential to fully locked or spool mode on demand for superior traction.
- • **Easy Mechanical Installation:** Designed for straightforward installation by enthusiasts ready to upgrade their ride.
- • **Trusted ARB Quality & Support:** Backed by a 4.6-star rating and ARB’s reputation for premium off-road gear.
- • **Precision Fit for Jeep Dana 44:** Seamlessly integrates with 30 spline full-floating axles for ultimate reliability.

## Overview

The ARB RD117 Air Locking Differential is a high-performance upgrade designed for Jeep Dana 44 axles with 30 spline ratios 3.73 and below. It features an air-activated selectable locker that converts your open differential into a fully locked or spool mode, dramatically enhancing traction and control on challenging terrain. Compatible with Jeep JK Rubicon models and built with durable materials, this differential offers reliable, easy installation and is supported by ARB’s trusted brand legacy.

## Description

Buy ARB RD117 Air Locking Differential: Differential Assembly Kits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great selectable locker for my dana 44 rubicon - This locker is a great build quality, and arb stands behind there products well. I got this to replace my factory rear locker that failed. I will be getting one for the front when that one fails too. It's pretty easy to install if you're mechanical enough.
Review: Fantastic - Correct application, came with everything needed to make it work, works amazing.

## Features

- This product fits in most Jeeps Dana 44 with 30 Spline Ratios 3.73 & Down Including Jeep JK
- For Use With 30 Spline Full Floating Axles
- Air Activated Selectable Locker, converts From Open Differential To fully Locked Or Spool
- Air Compressors have to be bought separately, ARB Recommend use their on board systems.
- Part Number for Jeep JK RUBICON is RD157

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004P9DBOO |
| Best Sellers Rank | #2,120,720 in Automotive ( See Top 100 in Automotive ) #1,519 in Automotive Replacement Differential Assembly Kits |
| Brand | ARB |
| Customer Reviews | 4.6 4.6 out of 5 stars (17) |
| Date First Available | February 24, 2011 |
| Exterior | Painted |
| Is Discontinued By Manufacturer | No |
| Item Weight | 6.27 pounds |
| Item model number | RD117 |
| Manufacturer | ARB |
| Manufacturer Part Number | RD117 |
| Model | ARB RD117 |
| OEM Part Number | RD117 |
| Product Dimensions | 10.63 x 10.63 x 11.02 inches |

## Images

![ARB RD117 Air Locking Differential - Image 1](https://m.media-amazon.com/images/I/71pEhIkA9gL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great selectable locker for my dana 44 rubicon
*by M***D on June 24, 2024*

This locker is a great build quality, and arb stands behind there products well. I got this to replace my factory rear locker that failed. I will be getting one for the front when that one fails too. It's pretty easy to install if you're mechanical enough.

### ⭐⭐⭐⭐⭐ Fantastic
*by J***K on March 3, 2023*

Correct application, came with everything needed to make it work, works amazing.

### ⭐⭐⭐⭐ Air leaked
*by S***R on August 19, 2018*

Liked the idea .I already had a good air source. I installed it myself.and would recommend it only if your mechanicaly inclined. Spreading the axel is nessisary to seat the unit.I did the best I could.first attempt it started to leak air.seemed like other people had a similar problem.second attempt started to fail as well.it was getting a little agrivating and wished I tried to electronic one.third attempt I took off the rear axel plate to see again were it was leaking.it apeared to be the seal for the loker.before I went through all the work to disassemble it while the air was leaking I got a small piece of wood .removed the left bearing cap and tapeped the bearing. The leak stopped and so far no issues.

## Frequently Bought Together

- ARB RD117 Air Locking Differential
- ARB 171503 Air Compressor Manifold Kit for Easy Installation of Two Air Lockers Solenoids on ARB CKMTA12 Air Compressor, Plug and Play Air Hose Kit for Tire Inflation
- ARB ARB505 Deflator Kit 10-60 PSI Tire Pressure Gauge Rapid Air Down Offroad Kit With Recovery Gear Pouch (PSI)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/14225928-arb-rd117-air-locking-differential](https://www.desertcart.hr/products/14225928-arb-rd117-air-locking-differential)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-06*