--- product_id: 586489344 title: "CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System" brand: "cheemuii" price: "€ 52.55" currency: EUR in_stock: true url: https://www.desertcart.gr/products/586489344-cheemuii-6-pcs-1-2-brass-dot-air-line-fitting store_origin: GR region: Greece --- # Handles up to 250 psi pressure Operates from -40°F to +200°F High-quality CA360 brass build CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System **Brand:** cheemuii **Price:** € 52.55 **Availability:** ✅ In Stock ## Summary > ⚙️ Connect with Confidence: The Brass Standard for Pro-Level Air Systems ## Quick Answers - **What is this?** CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System by cheemuii - **How much does it cost?** € 52.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/586489344-cheemuii-6-pcs-1-2-brass-dot-air-line-fitting) ## Best For - cheemuii enthusiasts ## Why This Product - Trusted cheemuii brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Industry Fit:** Perfect for semi-trucks, RVs, industrial workshops, and garden equipment air systems. - • **Effortless Quick Connect:** Push-to-seal design ensures fast, tool-free installation and hassle-free removal. - • **Premium Brass Durability:** Engineered with corrosion-resistant CA360 brass for unmatched longevity and reliability. - • **Certified Safety Standard:** Meets DOT FMVSS 571.106 and SAE J1131 for trusted air brake system compliance. - • **Extreme Temperature Resilience:** Performs flawlessly in harsh environments from freezing cold to scorching heat. ## Overview The CheeMuii 6 PCS 1/2 Brass DOT Air Line Fittings are premium quick-connect unions crafted from durable CA360 brass. Designed to meet rigorous DOT and SAE air brake standards, these fittings operate reliably under pressures up to 250 psi and temperatures ranging from -40°F to +200°F. Ideal for semi-trucks, RVs, and industrial air systems, they offer easy push-to-connect installation and long-lasting corrosion resistance, making them the go-to choice for professionals demanding safety and efficiency. ## Description Full description not available ## Features - PREMIUM QUALITY: Our DOT air line quick connect fittings are made of high-quality CA360 brass, meet D.O.T. FMVSS 571.106 approved, SAE J1131 air brake system requirements, with corrosion resistance, high-temperature ductility, low permeability and long service life - EASY INSTALLATION: Our straight union quick connect fitting is extremely easy to install, can be sealed by pushing the tube firmly into the fitting and it's also simple to remove from the tube - MAX WORKING INTENSITY: The brass fittings can be operated in pressures from vacuum to 250 psi and in temperatures from -40°F to +200°F (-40°C to +93°C). Note: see the tubing manufacturer's recommendations for pressure and temperature mutations - WIDE APPLICATION: The DOT air brake fittings can be used with air suspension systems, copper tubing in airline brake systems, perfect for truck /RV repair air line leak, also ideal for industrial workshops, daily garden or lawn mower repair, towing machine hose connection, etc - QUALITY ASSURANCE: We are confident in the quality of the DOT brass air fittings, if you are not satisfied or have questions after receiving the product, don't hesitate to contact us ## Technical Specifications | Specification | Value | |---------------|-------| | Size | 1/2IN-6PCS | | Material | Brass | | Brand | CheeMuii | | Color | 6 PCS 1/2 INCH | | Item dimensions L x W x H | 4.5 x 2 x 0.75 inches | | Connector Type | Quick Connect Union | | Thread Size | 1/2 | | Exterior Finish | Brass | | Thread Type | NPT | | Item Weight | 0.25 Kilograms | | Number of Pieces | 6 | | Manufacturer | CheeMuii | | Item Weight | 8.8 ounces | | Product Dimensions | 4.5 x 2 x 0.75 inches | | Item model number | 1/2 straight union | | Item Package Quantity | 1 | | Included Components | 1/2" DOT Straight Union | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Size:** 1/2IN-6PCS - **Material:** Brass - **Brand:** CheeMuii - **Color:** 6 PCS 1/2 INCH - **Item dimensions L x W x H:** 4.5 x 2 x 0.75 inches - **Connector Type:** Quick Connect Union - **Thread Size:** 1/2 - **Exterior Finish:** Brass - **Thread Type:** NPT - **Item Weight:** 0.25 Kilograms ## Images ![CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System - Image 1](https://m.media-amazon.com/images/I/71kTsEOX2+L.jpg) ![CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System - Image 2](https://m.media-amazon.com/images/I/71ge+LU6k2L.jpg) ![CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System - Image 3](https://m.media-amazon.com/images/I/71atakC+cKL.jpg) ![CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System - Image 4](https://m.media-amazon.com/images/I/71kfv-B5+0L.jpg) ![CheeMuii 6 PCS 1/2 Brass DOT Air Line Fitting Straight Union Quick Connect Fittings 1/2 Air Hose DOT Air Fittings for Semi Truck Trailers Industry Air System - Image 5](https://m.media-amazon.com/images/I/71vWu--UV8L.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.gr/products/586489344-cheemuii-6-pcs-1-2-brass-dot-air-line-fitting](https://www.desertcart.gr/products/586489344-cheemuii-6-pcs-1-2-brass-dot-air-line-fitting) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-25*