{"product_id":"yonligonju-oil-pressure-tester-kit-0-140-psi-red-dual-display-gauge-brass-fittings","title":"Yonligonju Oil Pressure Tester Kit 0–140 PSI (Red) — Dual-Display Gauge, Brass Fittings","description":"\u003cp\u003e\u003cstrong\u003eYonligonju Oil Pressure Tester Tool kit is a complete 0–140 PSI diagnostic gauge set for checking engine oil pressure on cars, trucks, motorcycles and small boats.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you're troubleshooting oil pressure issues or verifying an oil-pump repair, this compact kit delivers a rugged gauge, oil-resistant hose, brass fittings and ten adapters stored in a red case. Built for DIY mechanics and professional techs, the unit reads 0–140 PSI with a clear dual-display face and a rubber buffer cover that helps protect the gauge while you work.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use the Yonligonju oil pressure gauge safely?\u003c\/h3\u003e\n\n\u003cp\u003eAttach the correct adapter for your engine, connect the oil-resistant hose to the gauge, and run the engine per manufacturer test steps while monitoring the reading. Always follow engine-specific procedures—warm the engine to operating temperature and relieve fuel\/electrical systems when required.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSelect the numbered adapter that matches your engine port.\u003c\/li\u003e\n  \u003cli\u003eHand-tighten brass fittings then secure the quick elbow fitting.\u003c\/li\u003e\n  \u003cli\u003eStart engine and observe gauge at idle and higher RPMs.\u003c\/li\u003e\n  \u003cli\u003eShut engine off before disconnecting to avoid oil spray.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and which vehicles fit the adapters?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit includes a dual-display pressure gauge with rubber buffer cover, a high-temperature oil-resistant hose, brass straight and elbow quick fittings, and ten metal adapters organized in a red storage case. Adapters are numbered for fast selection and cover most gasoline and small diesel engines, plus motorcycles and boats when thread sizes match.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDual-display gauge with clear scale (0–140 PSI).\u003c\/li\u003e\n  \u003cli\u003eOil-resistant, flexible high-temp hose for durability.\u003c\/li\u003e\n  \u003cli\u003eBrass straight and curved quick fittings for secure seals.\u003c\/li\u003e\n  \u003cli\u003eTen stamped metal adapters stored in the red case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow accurate and durable is the Yonligonju gauge for professional use?\u003c\/h3\u003e\n\n\u003cp\u003eThe gauge head offers a clear scale and a protective rubber buffer to limit shock and scratches; brass fittings and metal adapters ensure repeatable, reliable sealing. The oil-resistant hose resists heat and flex fatigue, making the set suitable for repeated diagnostic tasks in a workshop or mobile service environment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eClear dual-display face for quick reading under the hood.\u003c\/li\u003e\n  \u003cli\u003eShockproof rubber cover reduces accidental damage.\u003c\/li\u003e\n  \u003cli\u003eBrass fittings resist corrosion and provide reliable seals.\u003c\/li\u003e\n  \u003cli\u003eHigh-grade metal adapters suit frequent use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and storage steps prevent damage?\u003c\/h3\u003e\n\n\u003cp\u003eKeep the gauge and adapters clean of oil residue after each use and store everything in the molded red case to avoid dents and lost parts. Inspect hoses and fittings for cracks or wear before each test and replace any damaged components to ensure accurate readings.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWipe oil from hose and gauge after testing.\u003c\/li\u003e\n  \u003cli\u003eStore adapters in numbered slots inside the red case.\u003c\/li\u003e\n  \u003cli\u003eCheck hose for nicks and fittings for tight threads regularly.\u003c\/li\u003e\n  \u003cli\u003eDo not exceed 140 PSI; use within recommended range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Yonligonju Oil Pressure Tester Tool kit suits home mechanics, mobile technicians and small repair shops needing a portable, reliable pressure gauge for routine diagnostics and confirmation of oil-pump or engine-health repairs. If you perform engine troubleshooting on cars, light trucks, motorcycles or small marine engines and want a rugged kit with multiple adapters and brass fittings, this tool set is designed to meet those needs.\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: What PSI range does the Yonligonju gauge measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The gauge reads 0–140 PSI, suitable for most gasoline and small diesel engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the adapters compatible with motorcycles and boats?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—adapters fit many motorcycles and small boats when thread size matches the engine port.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yonligonju","offers":[{"title":"Default Title","offer_id":67590863487161,"sku":"B0BBGG72JN","price":76.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/yonligonju-front-case-open_17945368-cd33-4ab4-8a30-62e7637b90a9.jpg?v=1790538700","url":"https:\/\/redleafauto.ca\/products\/yonligonju-oil-pressure-tester-kit-0-140-psi-red-dual-display-gauge-brass-fittings","provider":"Redleaf Auto","version":"1.0","type":"link"}