---
product_id: 11707393
title: "ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect"
brand: "arb"
price: "A$5"
currency: AUD
in_stock: false
reviews_count: 8
url: https://www.desertcart.com.au/products/11707393-arb-170201-air-fitting-straight-r1-5sp-5-mm-to
store_origin: AU
region: Australia
---

# Precision 1/8" BSPP thread 5mm push-to-connect ease Durable metal build ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect

**Brand:** arb
**Price:** A$5
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Lock in your off-road edge with ARB precision!

## Quick Answers

- **What is this?** ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect by arb
- **How much does it cost?** A$5 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/11707393-arb-170201-air-fitting-straight-r1-5sp-5-mm-to)

## 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

- • **Precision Fit:** British Standard Pipe Parallel 1/8" thread ensures leak-proof, secure connections
- • **Rugged Durability:** Metal construction designed to withstand harsh climates and heavy use
- • **Effortless Installation:** Push-to-connect 5mm tubing design for quick, hassle-free setup
- • **Upgrade with Confidence:** Perfect replacement or upgrade part with proven reliability and fit
- • **Seamless ARB Integration:** Specifically engineered for ARB Air Locker and Trail-Gear Rear Disconnect compatibility

## Overview

The ARB 170201 Air Fitting is a metal, 5mm push-to-connect pneumatic fitting with a 1/8" BSPP thread, designed in Australia for seamless integration with ARB Air Locker Lines and Trail-Gear Rear Disconnects. Engineered for durability and precision, it offers a perfect, easy-to-install replacement that ensures reliable performance in demanding off-road conditions.

## Description

Full description not available

## Features

- WHY DO YOU NEED ARB 170201: The ARB 5mm Push-In Air Line Fitting is needed to connect the ARB Air Locker Line, or the Trail-Gear Rear Disconnect. These are a great replacement for those of you who might have damaged or somehow misplaced the fitting during maintenance.
- TECHNICHAL FEATURES: Dimensions (L x W x H): 4.93 x 4.93 x 4.93 inches / Designed and manufactured in Australia / This has British Standard Pipe Parallel (thread) / ARB Replacement 5mm Push in Fitting (170201) / The Nylon 5mm line pushes into this for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear disconnect / Item weight: 0.353 lb.
- MATERIAL: Made from Metal it is design to last, resist harsh climate conditions and fit in precisely for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear disconnect.
- THREAD SIZE / SPECIFIC TO ARB: it's 1/8" BSPT with a 5mm OD for the tubing pretty specific to ARB and very difficult to find elsewhere. You can find 4mm and 6mm 1/8" BSPT at McMaster-Carr and elsewhere, but nothing for the 5mm tubing.
- CUSTOMER EXPERIENCE: Absolutely perfect fit, and a great upgrade for any version. The one thing is be wary of over tightening, i initially had it a quarter turn too tight, and the fitting wouldn’t allow the locker to disengage just be aware.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 5mm |
| Material | Metal |
| Brand | ARB |
| Item dimensions L x W x H | 5 x 5 x 5 inches |
| Connector Type | Push-to-Connect |
| Thread Size | 0.125 inch |
| Thread Type | BSPP |
| Number of Pieces | 8 |
| Manufacturer | ARB |
| Item Weight | 0.353 ounces |
| Product Dimensions | 5 x 5 x 5 inches |
| Item model number | 170201 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 170201 |

## Product Details

- **Size:** 5mm
- **Material:** Metal
- **Brand:** ARB
- **Item dimensions L x W x H:** 5 x 5 x 5 inches
- **Connector Type:** Push-to-Connect
- **Thread Size:** 0.125 inch
- **Thread Type:** BSPP
- **Number of Pieces:** 8
- **Manufacturer:** ARB

## Images

![ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect - Image 1](https://m.media-amazon.com/images/I/51hXv9rA4bL.jpg)
![ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect - Image 2](https://m.media-amazon.com/images/I/61ZqxUFeoPL.jpg)
![ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect - Image 3](https://m.media-amazon.com/images/I/6173LNdHAwL.jpg)
![ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect - Image 4](https://m.media-amazon.com/images/I/61oExkyo21L.jpg)
![ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect - Image 5](https://m.media-amazon.com/images/I/61NBdQZLsuL.jpg)

## Questions & Answers

**Q: what is the thread size ? is it 1/4" NPT?**
A: it's 1/8" BSPT with a 5mm OD for the tubing... pretty specific to ARB and very difficult to find elsewhere. You can find 4mm and 6mm 1/8" BSPT at McMaster-Carr and elsewhere, but nothing for the 5mm tubing.

**Q: What is this fitting used for?**
A: Hello Max K.they are used when seeting up the airlines for a ARB AIR Locker or and ARB air compressor, if you have any more questions please call us 305-639-2361thank you

**Q: Can this replace the compression fitting portion of the bulkhead on the axle?**
A: I guess you cold if the bulkhead fitting is British standard pipe threads. They are different than standard pipe threads. If they are tapped the same then yes you could use this fitting

**Q: Will this thread into the ARB solenoid or is there a different one**
A: Not sure I Got mine for the rear diff.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement!
*by B***D on August 28, 2019*

Absolutely perfect fit, and a great upgrade for any version. I have the older style (2005 installed) and it worked like a charm. The one thing is be wary of over tightening!! I initially had it a quarter turn too tight, and the fitting wouldn’t allow the locker to disengage... just be wary!

### ⭐⭐⭐⭐⭐ Works
*by G***. on December 10, 2019*

Works good, lasts a long time.

### ⭐⭐⭐⭐⭐ Works like it should
*by M***. on September 8, 2019*

Works like it should

## Frequently Bought Together

- ARB 170201 Air Fitting Straight R1 5SP 5 mm to 1/8 mm. Ideal for an easy connection of the ARB Air Locker Line or the Trail-Gear Rear Disconnect
- ARB 180103 Aluminum Solenoid 12VDC 1/8" This is ARB's official replacement 12v electric Air Solenoid.
- ARB 170301SP Air Line

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**Shop now:** [https://www.desertcart.com.au/products/11707393-arb-170201-air-fitting-straight-r1-5sp-5-mm-to](https://www.desertcart.com.au/products/11707393-arb-170201-air-fitting-straight-r1-5sp-5-mm-to)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-11*