{"product_id":"pneumatic-push-in-air-fittings-straight-plastic-union-3-8-inches-connector","title":"Pneumatic Push-In Air Fitting – Straight Plastic Union 3\/8\" Tube | Truck \u0026 Trailer Air Line Connector","description":"\u003cp data-end=\"548\" data-start=\"233\"\u003eThis 3\/8\" pneumatic push-in air fitting (straight union) is designed to securely connect two air lines in truck and trailer air brake systems. Built for compatibility with nylon air tubing (3\/8\" OD), it provides a reliable, leak-resistant connection for air brake, suspension, and pneumatic systems.\u003c\/p\u003e\n\u003cp data-end=\"785\" data-start=\"550\"\u003eThe push-to-connect design allows for quick installation without tools, making it ideal for both workshop use and on-road repairs. Simply push the tubing into the fitting for a secure hold, and release using the collet when needed.\u003c\/p\u003e\n\u003ch3 data-end=\"812\" data-start=\"792\" data-section-id=\"pm8yra\"\u003e\u003cspan role=\"text\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1275\" data-start=\"813\"\u003e\n\u003cli data-end=\"878\" data-start=\"813\" data-section-id=\"x9vanw\"\u003e\n\u003cstrong data-end=\"841\" data-start=\"815\"\u003eStraight Union Design:\u003c\/strong\u003e Connects two 3\/8\" air lines inline\u003c\/li\u003e\n\u003cli data-end=\"947\" data-start=\"879\" data-section-id=\"ovi9n1\"\u003e\n\u003cstrong data-end=\"904\" data-start=\"881\"\u003ePush-In Connection:\u003c\/strong\u003e Fast installation with no tools required\u003c\/li\u003e\n\u003cli data-end=\"1032\" data-start=\"948\" data-section-id=\"13i9ze0\"\u003e\n\u003cstrong data-end=\"973\" data-start=\"950\"\u003eSecure Grip \u0026amp; Seal:\u003c\/strong\u003e Internal locking mechanism ensures leak-free performance\u003c\/li\u003e\n\u003cli data-end=\"1116\" data-start=\"1033\" data-section-id=\"1vgkzhc\"\u003e\n\u003cstrong data-end=\"1061\" data-start=\"1035\"\u003eMaterial Construction:\u003c\/strong\u003e Durable \u003cstrong data-end=\"1082\" data-start=\"1070\"\u003ePBT body\u003c\/strong\u003e with \u003cstrong data-end=\"1114\" data-start=\"1088\"\u003eNBR sealing components\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1199\" data-start=\"1117\" data-section-id=\"1dpspyt\"\u003e\n\u003cstrong data-end=\"1143\" data-start=\"1119\"\u003eCorrosion Resistant:\u003c\/strong\u003e Suitable for demanding truck and trailer environments\u003c\/li\u003e\n\u003cli data-end=\"1275\" data-start=\"1200\" data-section-id=\"r3cfcm\"\u003e\n\u003cstrong data-end=\"1223\" data-start=\"1202\"\u003eReusable Fitting:\u003c\/strong\u003e Easy disconnect and reuse without damaging tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1302\" data-start=\"1282\" data-section-id=\"1lhszvz\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1302\" data-start=\"1286\"\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1453\" data-start=\"1303\"\u003e\n\u003cli data-end=\"1330\" data-start=\"1303\" data-section-id=\"16w6zr4\"\u003eTruck air brake systems\u003c\/li\u003e\n\u003cli data-end=\"1363\" data-start=\"1331\" data-section-id=\"1t5ahv0\"\u003eTrailer air line connections\u003c\/li\u003e\n\u003cli data-end=\"1390\" data-start=\"1364\" data-section-id=\"1if0lap\"\u003eAir suspension systems\u003c\/li\u003e\n\u003cli data-end=\"1420\" data-start=\"1391\" data-section-id=\"1oldi2t\"\u003ePneumatic control systems\u003c\/li\u003e\n\u003cli data-end=\"1453\" data-start=\"1421\" data-section-id=\"1bdvvh8\"\u003eWorkshop and on-road repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1481\" data-start=\"1460\" data-section-id=\"n07754\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1481\" data-start=\"1464\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1644\" data-start=\"1482\"\u003e\n\u003cli data-end=\"1525\" data-start=\"1482\" data-section-id=\"107svr7\"\u003eTube Size: \u003cstrong data-end=\"1523\" data-start=\"1495\"\u003e3\/8\" OD (outer diameter)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1591\" data-start=\"1526\" data-section-id=\"48hfme\"\u003eSuitable for \u003cstrong data-end=\"1589\" data-start=\"1541\"\u003enylon air brake tubing (SAE J844 equivalent)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1644\" data-start=\"1592\" data-section-id=\"9zjd5z\"\u003eCompatible with standard \u003cstrong data-end=\"1644\" data-start=\"1619\"\u003epneumatic air systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1694\" data-start=\"1651\" data-section-id=\"ipljkb\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1694\" data-start=\"1655\"\u003eWhy Choose a Push-In Union Fitting?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1956\" data-start=\"1695\"\u003ePush-in fittings are widely used in commercial vehicle systems because they provide \u003cstrong data-end=\"1835\" data-start=\"1779\"\u003efast, reliable, and maintenance-friendly connections\u003c\/strong\u003e. Compared to traditional compression fittings, they reduce installation time and allow quick replacement during repairs.\u003c\/p\u003e\n\u003ch3 data-end=\"1987\" data-start=\"1963\" data-section-id=\"rgleff\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1987\" data-start=\"1967\"\u003eTypical Use Case\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2208\" data-start=\"1988\"\u003eThis fitting is commonly used when repairing or extending an air line in a truck or trailer. It enables a \u003cstrong data-end=\"2121\" data-start=\"2094\"\u003equick inline connection\u003c\/strong\u003e without requiring specialized tools, helping reduce downtime and simplify maintenance.\u003c\/p\u003e\n\u003ch2 data-end=\"2239\" data-start=\"2215\" data-section-id=\"my5k7u\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2239\" data-start=\"2218\"\u003eTechnical Summary\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2398\" data-start=\"2240\"\u003e\n\u003cli data-end=\"2275\" data-start=\"2240\" data-section-id=\"ln6bu5\"\u003eType: Pneumatic Push-In Fitting\u003c\/li\u003e\n\u003cli data-end=\"2309\" data-start=\"2276\" data-section-id=\"h0c1tj\"\u003eConfiguration: Straight Union\u003c\/li\u003e\n\u003cli data-end=\"2329\" data-start=\"2310\" data-section-id=\"w85dtj\"\u003eSize: 3\/8\" Tube\u003c\/li\u003e\n\u003cli data-end=\"2366\" data-start=\"2330\" data-section-id=\"l7bdpi\"\u003eMaterial: PBT (body), NBR (seal)\u003c\/li\u003e\n\u003cli data-end=\"2398\" data-start=\"2367\" data-section-id=\"1g1hxj3\"\u003eConnection: Push-to-connect\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr data-end=\"2403\" data-start=\"2400\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c!----\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Bulldog Spares","offers":[{"title":"AFUP3\/8 (3\/8'' inch)","offer_id":43830909632559,"sku":"AFUP3\/8","price":8.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2806\/5583\/files\/1_34fc08d5-7a6b-4fa1-abf3-50b781b912e3.jpg?v=1774875339","url":"https:\/\/bulldogspares.com.au\/products\/pneumatic-push-in-air-fittings-straight-plastic-union-3-8-inches-connector","provider":"Bulldog Spares","version":"1.0","type":"link"}