{"product_id":"yonligonju-diesel-engine-compression-tester-kit-17pc-red-80mm-dual-scale-gauge-quick-connect-adapters","title":"Yonligonju Diesel Engine Compression Tester Kit — 17pc Red, 80mm Dual-Scale Gauge \u0026 Quick-Connect Adapters","description":"\u003cstrong\u003eYonligonju 17pc Diesel Engine Compression Tester Kit is a professional, portable toolset for measuring diesel cylinder pressure with a large dual-scale gauge, quick-connect adapters, and built-in pressure relief for safe testing.\u003c\/strong\u003e\n\n\u003cp\u003eWhether you maintain a fleet, repair heavy equipment, or troubleshoot your own diesel pickup, consistent cylinder compression readings are essential for diagnosing worn rings, valves, and timing issues. This Yonligonju kit combines a clear 80mm dial, multiple adapters, and a flexible high-pressure hose so you can take reliable compression measurements across many diesel engines without specialized rigs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the quick-connect adapter simplify testing?\u003c\/h3\u003e\n\u003cp\u003eThe kit’s innovative quick-connect adapter system eliminates the need for tools when switching fittings, reducing setup time and lowering the chance of thread damage. Quick connections let you move between cylinder ports rapidly, so a full engine check is faster and cleaner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTool-free adapter changes for fast cylinder access\u003c\/li\u003e\n  \u003cli\u003eMultiple adapter sizes to fit common diesel plugs and ports\u003c\/li\u003e\n  \u003cli\u003eSecure sealing reduces blow-by and false readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features protect me during high-pressure checks?\u003c\/h3\u003e\n\u003cp\u003eSafety is built into the tester with an independent pressure relief valve that activates if pressure exceeds a safe limit, preventing gauge and hose damage as well as sudden pressure release. The relief valve gives you a passive safety layer so you can focus on accurate measurements rather than emergency handling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic pressure relief prevents overloading the gauge\u003c\/li\u003e\n  \u003cli\u003eDurable hose resists oil and wear to avoid leaks\u003c\/li\u003e\n  \u003cli\u003eRobust fittings and screw connections reduce accidental disconnection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow accurate and easy-to-read are the measurements?\u003c\/h3\u003e\n\u003cp\u003eThe oversized 80mm dial presents both imperial (0–1000 psi) and metric (0–70 bar) scales, making readings clear from a distance and compatible with workshop manuals worldwide. The large face reduces interpretation errors and speeds up diagnostic comparisons between cylinders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-scale gauge for international unit compatibility\u003c\/li\u003e\n  \u003cli\u003eLarge diameter face for quick visual checks under shop lighting\u003c\/li\u003e\n  \u003cli\u003eHigh-quality internal components for repeatable readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this kit adaptable across different diesel equipment?\u003c\/h3\u003e\n\u003cp\u003eThe 17-piece configuration includes assorted adapters, fittings, and a 355 mm high-elasticity hose that bends around complex engine layouts. Lightweight and compact, it fits service trunks and toolboxes for on-site testing of trucks, generators, boats, and construction machines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComprehensive adapter set to cover many common diesel engines\u003c\/li\u003e\n  \u003cli\u003eLong, flexible hose reaches tight or recessed ports\u003c\/li\u003e\n  \u003cli\u003ePortable case-friendly design for field or garage use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Yonligonju 17pc Diesel Compression Tester Kit is suited for professional technicians, heavy-equipment mechanics, fleet maintenance teams, and DIY diesel owners who need a reliable, safe, and portable tool for routine compression diagnostics. It’s ideal when you want quick setup, clear results, and a kit that handles a range of diesel-powered machines without requiring specialized adapters or bench equipment.\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 tester measure both psi and bar?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The large 80mm dial displays both psi (0–1000) and bar (0–70) for immediate unit compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the hose suitable for repeated workshop use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 355 mm oil-resistant, wear-resistant hose is designed for high-frequency use without cracking.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yonligonju","offers":[{"title":"Default Title","offer_id":55167697650007,"sku":"B0DS6BG2LH","price":65.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/yonligonju-front-view-kit_1c40cd2c-02eb-4cec-b8b6-0755f07900dd.jpg?v=1790391258","url":"https:\/\/britishgarage.co.uk\/products\/yonligonju-diesel-engine-compression-tester-kit-17pc-red-80mm-dual-scale-gauge-quick-connect-adapters","provider":"British Garage","version":"1.0","type":"link"}