{"product_id":"hasaomoi-4pcs-brass-dot-3-8-hose-x-1-2-male-air-brake","title":"HASAOMOI 4PCS Brass DOT 3\/8” Hose x 1\/2\" Male Air Brake","description":"\u003cp\u003e\u003cstrong\u003eHASAOMOI 4PCS Brass DOT 3\/8” Hose x 1\/2\" Male Air Brake Hose End Fittings are DOT-compliant brass hose ends designed to deliver secure, leak-resistant connections for truck and trailer air brake lines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese four brass hose ends are manufactured from CA360 brass to meet DOT and SAE specifications for air brake systems, giving you durable mating points for 3\/8” hose and 1\/2\" male threads. Built for heavy-duty vehicle applications, they prioritize sealing integrity and corrosion resistance so that air systems maintain pressure and performance under routine use or demanding conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these fittings ensure a reliable seal in air brake systems?\u003c\/h3\u003e\n\u003cp\u003ePrecision-machined surfaces and the inherent properties of CA360 brass combine to form tight connections that resist common leak paths. The fittings are engineered to meet D.O.T. FMVSS 571.106 and SAE J1402 requirements, which focus on safety and performance in commercial braking applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCA360 brass body for consistent dimensional accuracy\u003c\/li\u003e\n  \u003cli\u003eMachined contact faces minimize air seepage\u003c\/li\u003e\n  \u003cli\u003eDesigned for DOT-spec hose and thread sizes to prevent mismatch\u003c\/li\u003e\n  \u003cli\u003eRated to function at typical system pressures up to 300 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat environments and vehicles are these hose ends suitable for?\u003c\/h3\u003e\n\u003cp\u003eThese fittings are intended for a range of heavy-duty air brake systems including trucks, trailers, and other commercial vehicles. Their corrosion-resistant brass construction helps them withstand road salt, moisture, and grime common in commercial fleet operations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommercial trucks and tractor-trailers\u003c\/li\u003e\n  \u003cli\u003eBox vans, utility trailers, and cargo haulers\u003c\/li\u003e\n  \u003cli\u003eIndustrial air lines and compressor hookup points\u003c\/li\u003e\n  \u003cli\u003eApplications where DOT\/Sae compliance is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I check before fitting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with air brake hose assemblies: slide the hose over the barb, tighten to the specified thread engagement, and verify the connection before pressurizing. Always inspect hose ends and mating threads for damage and ensure correct hose ID to avoid improper sealing or loosening in service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm hose I.D. is 3\/8” and thread is 1\/2\" male\u003c\/li\u003e\n  \u003cli\u003eCheck threads and barbs for burrs or distortion\u003c\/li\u003e\n  \u003cli\u003eUse correct torque and clamp style per hose manufacturer\u003c\/li\u003e\n  \u003cli\u003ePressure-test the assembly at operating pressure before road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and maintenance can I expect over time?\u003c\/h3\u003e\n\u003cp\u003eBrass fittings offer long service life when paired with compatible hoses and appropriate installation practices. Regular inspections for corrosion, wear, and tightness will keep systems functioning reliably; replace fittings showing significant wear or damage to maintain DOT compliance and safety.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExcellent corrosion resistance for extended service life\u003c\/li\u003e\n  \u003cli\u003eStable sealing performance under normal operating pressures\u003c\/li\u003e\n  \u003cli\u003eSimple visual inspections reveal most wear or leaks\u003c\/li\u003e\n  \u003cli\u003eReplace if threads, barbs, or seating surfaces show deterioration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Fleet managers, commercial vehicle technicians, and anyone maintaining air brake systems on trucks or trailers will find these HASAOMOI brass hose ends useful. If you require DOT- and SAE-conforming hose terminations that resist corrosion and keep air systems sealed at pressures up to roughly 300 PSI, this four-piece set provides a durable, ready-to-install option. These fittings are also suitable for industrial air lines and compressor hookups where DOT-spec components are preferred.\u003c\/p\u003e\n\n\u003cp\u003eFeatures at a glance:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable CA360 brass construction for heavy-duty use\u003c\/li\u003e\n  \u003cli\u003eDOT FMVSS 571.106 and SAE J1402 compliance\u003c\/li\u003e\n  \u003cli\u003ePrecision sealing to reduce air leakage and inefficiency\u003c\/li\u003e\n  \u003cli\u003eResistant to wear and corrosion in challenging environments\u003c\/li\u003e\n  \u003cli\u003eIntended for trucks, trailers, compressors and industrial air hoses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these fittings DOT compliant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The HASAOMOI fittings are made from CA360 brass and meet DOT FMVSS 571.106 and SAE J1402 specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What hose and thread sizes do they fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are designed for 3\/8” hose I.D. and 1\/2\" male threaded connections, suitable for standard air brake lines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HASAOMOI","offers":[{"title":"Default Title","offer_id":48087673340062,"sku":"B0DFXTBCYT","price":39.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hasaomoi-front-packaging-brass-hose-ends.jpg?v=1785928426","url":"https:\/\/northtrailauto.ca\/products\/hasaomoi-4pcs-brass-dot-3-8-hose-x-1-2-male-air-brake","provider":"North Trail Auto","version":"1.0","type":"link"}