--- product_id: 11707393 title: "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: "R759" currency: ZAR in_stock: true reviews_count: 8 category: "Arb" url: https://www.desertcart.co.za/products/11707393-170201-air-fitting-straight-r1-5sp-5-mm-to-1 store_origin: ZA region: South Africa --- # Precise 5mm OD tubing fit 1/8" BSPP thread standard Durable metal build 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:** R759 **Availability:** ✅ In Stock ## Summary > 🔧 Lock in your off-road edge with ARB’s precision air fitting! ## Quick Answers - **What is this?** 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?** R759 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/11707393-170201-air-fitting-straight-r1-5sp-5-mm-to-1) ## 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 - • **Rugged Metal Durability:** Crafted from high-grade metal to withstand harsh off-road conditions and climate extremes. - • **Exclusive 5mm Thread Size:** Unique 1/8" BSPP thread tailored for 5mm tubing—hard to find elsewhere, making it a must-have upgrade. - • **Precision Push-to-Connect:** 5mm nylon tubing pushes in effortlessly, ensuring quick and secure air line connections. - • **Seamless ARB Compatibility:** Specifically engineered for ARB Air Locker and Trail-Gear Rear Disconnect for flawless integration. - • **Australian Engineered Quality:** Designed and manufactured in Australia, guaranteeing premium build and reliability. ## Overview The ARB 170201 Air Fitting Straight R1 5SP is a metal, push-to-connect fitting designed for 5mm OD nylon tubing with a 1/8" BSPP thread. Manufactured in Australia, it ensures a perfect, durable connection for ARB Air Locker Lines and Trail-Gear Rear Disconnects, offering a rare and precise fit that’s essential for off-road enthusiasts seeking reliable pneumatic hardware. ## Description Buy 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: Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Replacement for the original on my arb compressor - Perfect replacement for my arm compressor. Have the double compressor for my front air locker. It is an odd pipe diameter, so nothing else fits. Review: Works great - Works as described. ## 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 | |---------------|-------| | ASIN | B00042KQZS | | Best Sellers Rank | #698,216 in Automotive ( See Top 100 in Automotive ) #1,478 in Automotive Replacement Fuel System Fittings | | Brand | ARB | | Brand Name | ARB | | Color | Orange | | Connector Type | Push-to-Connect | | Customer Reviews | 4.6 out of 5 stars 78 Reviews | | Item Dimensions | 5 x 5 x 5 inches | | Item dimensions L x W x H | 5 x 5 x 5 inches | | Manufacturer | ARB | | Manufacturer Part Number | 170201 | | Material | Metal | | Material Type | Metal | | Model Number | 170201 | | Number of Pieces | 8 | | Size | 5mm | | Thread Size | 0.125 inch | | Thread Type | BSPP | | Unit Count | 1 Count | ## Product Details - **Brand:** ARB - **Color:** Orange - **Connector Type:** Push-to-Connect - **Item dimensions L x W x H:** 5 x 5 x 5 inches - **Manufacturer:** ARB - **Material:** Metal - **Number of Pieces:** 8 - **Size:** 5mm - **Thread Size:** 0.125 inch - **Thread Type:** BSPP ## Images ![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) ## 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 ### ⭐⭐⭐⭐⭐ Replacement for the original on my arb compressor *by A***R on July 26, 2026* Perfect replacement for my arm compressor. Have the double compressor for my front air locker. It is an odd pipe diameter, so nothing else fits. ### ⭐⭐⭐⭐⭐ Works great *by R***. on February 4, 2026* Works as described. ### ⭐⭐⭐⭐⭐ 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! ## 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 --- ## 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.co.za/products/11707393-170201-air-fitting-straight-r1-5sp-5-mm-to-1](https://www.desertcart.co.za/products/11707393-170201-air-fitting-straight-r1-5sp-5-mm-to-1) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-13*