{"product_id":"leak-down-tester-tu21-engine-cylinder-leak-tester","title":"Leak Down Tester Tu-21 Engine Cylinder Leak Tester and Compression Gauge Set for Gasoline 4-Stroke Engines, 12mm or 14mm Spark Plug Compatible, DIY Auto Repair Diagnostic Tool for Quick Cylinder Leak Detection","description":"\u003cdiv\u003eCylinder Leak Down Tester for 4-Stroke Gasoline Engines\u003cbr\u003e\n✔️ Spark plug compatibility: 12mm\/14mm, easy fuel-line setup \u003cp\u003eThe Leak Down Tester and Compression Gauge Set is a handy diagnostic tool for gasoline 4-stroke engines. It helps you assess cylinder health by measuring leakage and compression, and is ideal for DIY auto repair, professional shops, and quick on-car diagnostics. Compatible with 12mm and 14mm spark plug sockets, it fits most engines with standard plugs.\u003c\/p\u003e \u003cp\u003e✅ Dual-function tool combining cylinder leak-down tester and compression gauge \u003cbr\u003e✅ Spark plug adapters for 12mm\/14mm plugs to fit most gasoline engines \u003cbr\u003e✅ Easy on-car setup: remove Schrader valve, connect hose, calibrate gauge \u003cbr\u003e✅ Helps identify worn piston rings, valve leaks, cracked cylinders, or blown head gaskets \u003cbr\u003e✅ Compact kit for tight clearance use in trucks and late-model cars \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a cylinder leak down tester used for in engine diagnostics? This handy tool helps you quickly assess engine cylinder health and pinpoint faults.\n- It measures leakage to reveal piston ring wear, valve leaks, or head gasket issues\n- It lets you compare a suspect cylinder to a known good cylinder on the same engine\n- It works with gasoline 4-stroke engines and 12mm\/14mm spark plug sockets \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47902662131947,"sku":"VXB08225M7VC","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81hp0zGvQsL.jpg?v=1772995356","url":"https:\/\/vxb.com\/products\/leak-down-tester-tu21-engine-cylinder-leak-tester","provider":"VXB Bearings","version":"1.0","type":"link"}