{"product_id":"yonligonju-oil-pressure-tester-kit-0-140-psi-red-case-with-dual-display-gauge-and-10-adapters","title":"Yonligonju Oil Pressure Tester Kit 0–140 PSI, Red Case with Dual-Display Gauge and 10 Adapters","description":"\u003cstrong\u003eYonligonju Oil Pressure Tester Kit is a complete 0–140 PSI engine oil pressure gauge set with multiple adapters and a shockproof display for fast, accurate pressure checks.\u003c\/strong\u003e\n\n\u003cp\u003eWhether you're troubleshooting an engine, verifying an oil pump, or confirming pressure after a repair, this kit provides a portable, vehicle-ready way to measure oil pressure on cars, trucks, motorcycles, boats, and small diesel engines. The kit bundles a dual-display analog gauge, oil-resistant hose, brass fittings, and ten adapters inside a red transport case so you can identify problems without guessing.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use the Yonligonju tester to check engine oil pressure?\u003c\/h3\u003e\n\n\u003cp\u003eStart by locating the engine's oil pressure port or removing the oil pressure switch. Select the matching adapter from the red case, attach the brass fitting and hose, then connect the gauge and crank the engine briefly to read pressure. Always follow engine-specific service instructions and take safety precautions when working near a running motor.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eChoose the adapter that matches your vehicle's oil pressure port number in the case.\u003c\/li\u003e\n  \u003cli\u003eInstall brass quick fittings for a secure, leak-free connection.\u003c\/li\u003e\n  \u003cli\u003eRun the engine at idle and at specified RPMs to compare readings.\u003c\/li\u003e\n  \u003cli\u003eUse the dual-display gauge to monitor peak and live pressure values.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the gauge measure and how accurate is it?\u003c\/h3\u003e\n\n\u003cp\u003eThe Yonligonju gauge reads oil pressure from 0 to 140 PSI, giving a wide range suitable for most gasoline and small diesel engines. The clear scale and dual-display design make readings easy while the rubber buffer cover protects the gauge during shop or roadside use. For precise diagnostics, compare readings to manufacturer-recommended pressure ranges for your engine.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e0–140 PSI range covers common passenger and light truck engines.\u003c\/li\u003e\n  \u003cli\u003eDual-display face offers quick visual confirmation and repeatable readings.\u003c\/li\u003e\n  \u003cli\u003eProtective rubber cover reduces impact damage during handling.\u003c\/li\u003e\n  \u003cli\u003eBrass fittings and oil-resistant hose maintain a reliable seal under heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich adapters and parts are included, and will they fit my vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit contains ten numbered adapters designed to match most oil pressure ports found on cars, motorcycles, boats, and small diesel engines. Each adapter is made from high-quality metal and stored in a marked slot within the compact red case for quick selection. If your engine's port matches an adapter number and its oil pressure remains under 140 PSI, the kit will work for your application.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTen numbered metal adapters to fit a wide variety of engine ports.\u003c\/li\u003e\n  \u003cli\u003eOil-resistant, heat-resistant hose that bends freely without kinking.\u003c\/li\u003e\n  \u003cli\u003eStraight and elbow brass fittings for faster, reliable connections.\u003c\/li\u003e\n  \u003cli\u003eOrganized red case keeps everything secure and easy to find.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I care for the tester and prolong its life?\u003c\/h3\u003e\n\n\u003cp\u003eRinse or wipe the gauge and adapters after exposure to oil or grime and store the components in the protective red case. Avoid dropping the gauge, and keep fittings tightened to prevent contamination. Replace the hose if it shows cracking or leaks, and store in a cool, dry place between uses.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eClean fittings and hose after each use to prevent buildup.\u003c\/li\u003e\n  \u003cli\u003eKeep the gauge inside the case to shield it from impacts.\u003c\/li\u003e\n  \u003cli\u003eInspect brass fittings and hose for wear before each test.\u003c\/li\u003e\n  \u003cli\u003eStore out of direct sunlight and extreme temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Yonligonju Oil Pressure Tester Kit is built for DIY mechanics, professional technicians, fleet maintenance crews, and hobbyists who need a reliable, portable way to verify engine oil pressure. It’s especially useful when diagnosing oil pump performance, checking pressure after repairs, or performing routine engine health checks on a variety of gasoline and small diesel engines.\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: Will this kit fit my car's oil pressure port?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes ten numbered adapters that fit most gasoline and small diesel engine ports; match your port to an adapter. If unsure, compare thread size to your vehicle service manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the gauge while the engine is running?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the gauge is designed for live engine checks; follow safety precautions and only run the engine per service guidelines while connected.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yonligonju","offers":[{"title":"Default Title","offer_id":48087348347038,"sku":"B0BBGG72JN","price":42.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yonligonju-front-packaging_bc553567-eefb-45da-8f7a-f6e50073d127.jpg?v=1785921143","url":"https:\/\/northtrailauto.ca\/products\/yonligonju-oil-pressure-tester-kit-0-140-psi-red-case-with-dual-display-gauge-and-10-adapters","provider":"North Trail Auto","version":"1.0","type":"link"}