{"product_id":"12pack-3-8-in-hydraulic-hose-fittings-3-8-in-jic-37-male-heavy-duty","title":"12Pack 3\/8 in Hydraulic Hose Fittings 3\/8 in JIC 37 Male - Heavy Duty","description":"\u003cp\u003eOur review of the 12Pack 3\/8 in Hydraulic Hose Fittings finds them best suited for technicians and DIY mechanics who build or repair hydraulic lines and need a consistent, heavy duty crimped end. The single biggest reason to buy is reliability: these fittings are made from carbon steel and designed to crimp to standard 3\/8 in I.D. hydraulic hose with a 3\/8 in JIC 37 degree male end, which means they integrate with common petroleum and hydraulic power systems while working with Weatherhead U-Series and Dayco style crimpers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty Construction:\u003c\/strong\u003e Carbon steel construction resists deformation under crimping and holds up in industrial hydraulic applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Compatibility:\u003c\/strong\u003e The 3\/8 in JIC 37 male end matches common 3\/8 in female JIC 37 degree fittings for leak-resistant connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrimp Ready:\u003c\/strong\u003e Dimensioned for crimping to 3\/8 in I.D. hydraulic hose so installers can make custom lengths on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with Common Crimpers:\u003c\/strong\u003e Compatible with Weatherhead U-Series and Dayco style adjustable crimpers, simplifying shop workflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Dimensions:\u003c\/strong\u003e Inner and outer diameters are specified to help ensure a predictable fit when paired with matching hose and ferrules.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis pack is aimed at professional mechanics, fleet maintenance teams, and serious hobbyists who regularly assemble or repair hydraulic hose assemblies and require consistent, serviceable fittings. If you already use standard 3\/8 in JIC 37 fittings in agricultural, construction, or industrial equipment, these will slot into your existing inventory without surprise fit issues.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere are casual users who only need a single fitting for an emergency repair or anyone who does not have access to a compatible crimper; these fittings are intended for use as crimped ends and reach full usefulness when properly crimped and installed.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable carbon steel construction provides long service life in demanding applications.\u003c\/li\u003e\n\u003cli\u003eDesigned to crimp to 3\/8 in I.D. hydraulic hose for secure, leak-resistant assemblies.\u003c\/li\u003e\n\u003cli\u003eCompatible with Weatherhead U-Series\/Dayco and similar adjustable crimpers for ease of fitting installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRequires a compatible crimper and some installation skill, so not ideal for one-off roadside fixes.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Type\u003c\/td\u003e\n\u003ctd\u003e3\/8 in Hose x 3\/8 in JIC 37 degree male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHose Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e3\/8 in (I.D.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e17\/32 in (0.51 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMale End Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e9\/16 in (0.56 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThis 12 pack of 3\/8 in JIC 37 male hydraulic hose fittings is a practical choice for shops and maintenance crews that need dependable, crimp-ready ends for petroleum and hydraulic power systems. Given the heavy duty material, standard dimensions, and compatibility with Weatherhead U-Series and Dayco style crimpers, it represents good value for anyone who assembles hoses regularly and wants repeatable performance.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these fittings work with standard 3\/8 in hydraulic hose?\u003c\/strong\u003e\u003cbr\u003eYes, they are sized to crimp to 3\/8 in I.D. hydraulic hose and mate with 3\/8 in JIC 37 female fittings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre they compatible with common crimping machines?\u003c\/strong\u003e\u003cbr\u003eThey are compatible with Weatherhead U-Series and Dayco style adjustable crimpers and similar crimping equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat fluids are these fittings suitable for?\u003c\/strong\u003e\u003cbr\u003eThey are intended for hydraulic systems and petroleum-based fluids used in industrial and mobile hydraulic applications.\u003c\/p\u003e","brand":"ZINGER","offers":[{"title":"Default Title","offer_id":48190468980955,"sku":"B0D477N46X","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71fbtikdgqL._AC_SL1500.jpg?v=1769698559","url":"https:\/\/gearmusthave.com\/products\/12pack-3-8-in-hydraulic-hose-fittings-3-8-in-jic-37-male-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}