{"product_id":"yonligonju-diesel-compression-tester-kit-17pc-80mm-dual-scale-gauge-355mm-hose-blue","title":"Yonligonju Diesel Compression Tester Kit 17pc — 80mm Dual-Scale Gauge, 355mm Hose (Blue)","description":"\u003cp\u003e\u003cstrong\u003eThe Yonligonju 17-piece diesel compression tester kit is a complete, professional-grade set for measuring cylinder pressure on diesel cars, trucks, generators, and heavy equipment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you are a professional technician or a diesel vehicle owner performing troubleshooting, this kit gives clear, reliable pressure readings and a practical adapter selection to access a wide range of diesel engines. The set pairs a large dual-scale 80 mm dial with a flexible, oil-resistant hose and quick-connect fittings to simplify testing in tight engine bays, while a built-in pressure relief valve adds an extra safety layer during diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit help me diagnose engine compression issues?\u003c\/h3\u003e\n\n\u003cp\u003eThis tester lets you compare cylinder pressures quickly so you can pinpoint low-compression cylinders or uneven compression across the bank. By capturing repeatable pressure values you can distinguish worn rings, leaking valves, and head gasket problems without removing major components.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLarge 80 mm dial shows dual scales (0–1000 psi and 0–70 bar) for simple interpretation.\u003c\/li\u003e\n  \u003cli\u003eComplete adapter set fits many injector and glow-plug ports for varied diesel engines.\u003c\/li\u003e\n  \u003cli\u003eFlexible 355 mm hose reaches cramped ports that rigid tools cannot access.\u003c\/li\u003e\n  \u003cli\u003ePressure relief valve prevents overpressure during testing, protecting the gauge and user.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the Yonligonju tester easy to use in workshops and field repairs?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit is built for fast setup and repeated field use: quick-connect adapters reduce fiddly threading, the hose bends around obstacles, and the large face allows readings at a glance even in low-light conditions. It’s portable and arranged for rapid transport between jobs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eQuick-connect adapter design enables tool-free attachment and removal.\u003c\/li\u003e\n  \u003cli\u003eCompact, lightweight kit layout for convenient storage and transport.\u003c\/li\u003e\n  \u003cli\u003eDurable, oil-resistant materials stand up to workshop fluids and wear.\u003c\/li\u003e\n  \u003cli\u003eClear dual-scale gauge reduces conversion errors between metric and imperial units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the kit protect me and the equipment during testing?\u003c\/h3\u003e\n\n\u003cp\u003eSafety features are integrated so routine compression checks remain low-risk. The independent pressure relief device activates automatically if readings exceed safe levels, and the robust hose lessens the chance of burst or leakage during high-pressure pulses.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAutomatic pressure-relief valve prevents gauge overload and damage.\u003c\/li\u003e\n  \u003cli\u003eHigh-elasticity hose resists cracking and bursting under repeated high-pressure use.\u003c\/li\u003e\n  \u003cli\u003eOil- and wear-resistant construction reduces degradation from fluids and heat.\u003c\/li\u003e\n  \u003cli\u003eLarge gauge face minimizes misreading that could lead to unsafe actions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and users is this tester compatible with?\u003c\/h3\u003e\n\n\u003cp\u003eThe Yonligonju 17-piece kit targets diesel-powered systems across automotive and industrial applications. It balances professional functionality with user-friendly features so it can be adopted by shop mechanics, fleet maintenance crews, and owners who perform their own diagnostic work.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSuitable for diesel cars, light- and heavy-duty trucks, generators, and marine engines.\u003c\/li\u003e\n  \u003cli\u003eAdapters cover common injector and glow-plug sizes for broad compatibility.\u003c\/li\u003e\n  \u003cli\u003eCompact design makes it useful for mobile technicians and on-site repairs.\u003c\/li\u003e\n  \u003cli\u003eAccurate pressure ranges meet the needs of routine compression testing and baseline checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Yonligonju 17pc Diesel Compression Tester Kit is aimed at professional auto technicians, fleet and heavy-equipment maintenance staff, and knowledgeable DIYers who need dependable compression readings across a wide variety of diesel engines. If you require a portable, safety-minded diagnostic set with clear readouts and universal adapters, this kit provides a practical, workshop-ready solution without unnecessary complexity.\u003c\/p\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: Can this kit test both metric and imperial pressure units?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 80 mm gauge displays dual scales in psi and bar for immediate readings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the hose safe for repeated high-pressure testing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it uses a high-elasticity, oil-resistant hose designed to withstand frequent high-pressure use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yonligonju","offers":[{"title":"Default Title","offer_id":48086056075422,"sku":"B0DS6CPJ6D","price":49.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yonligonju-front-kit-layout.jpg?v=1785883193","url":"https:\/\/northtrailauto.ca\/products\/yonligonju-diesel-compression-tester-kit-17pc-80mm-dual-scale-gauge-355mm-hose-blue","provider":"North Trail Auto","version":"1.0","type":"link"}