{"product_id":"tradeinart-multi-function-cylinder-leak-down-tester-kit-dual-gauge-10-piece-set-for-gasoline-engines-regulator","title":"TradeINArt Multi-Function Cylinder Leak Down Tester Kit — Dual-Gauge 10-Piece Set for Gasoline Engines, Regulator","description":"\u003cp\u003e\u003cstrong\u003eTradeINArt's Multi-Function Cylinder Leak Down Tester Kit is a complete dual-gauge diagnostic set that checks combustion chamber pressure and pinpoints leakage paths in gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf an engine is running rough, losing power, or burning oil, a controlled leak-down test helps identify where compression is escaping so you can target repairs. This compact kit bundles a double gauge assembly, pressure regulator, multiple adapters and extension hoses in a protective case so both DIYers and professional mechanics can run reliable tests on cars, motorcycles, ATVs and light trucks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit measure cylinder condition?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit uses a pressurized air source to deliver a known pressure into a cylinder at top dead center and the dual gauges display input pressure and the resulting leakage percentage. By comparing the two readings you can estimate the percent of compression loss. The included pressure regulator lets you set and stabilize test pressure for consistent results.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDual gauge reads input pressure and leak-down rate simultaneously for fast diagnosis.\u003c\/li\u003e\n  \u003cli\u003ePull-out\/push-in pressure regulator for precise adjustment and locking during testing.\u003c\/li\u003e\n  \u003cli\u003eStraight and angled push-on connectors allow non-threaded access in many spark plug wells.\u003c\/li\u003e\n  \u003cli\u003eExtension rod and long hose reach recessed or hard-to-access spark plug openings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engine types and sizes will this leak-down tester work on?\u003c\/h3\u003e\n\n\u003cp\u003eThis TradeINArt kit is designed for gasoline engines across passenger cars, motorcycles, ATVs, small trucks and many light engines. The mix of threaded adapters, universal push-on fittings and an M14 extension lets you adapt to most spark plug well sizes and shallow or deep-seated plugs. It’s not intended for diesel high-compression engines without verifying compatibility first.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eThreaded adapters cover common spark plug thread sizes used in many petrol engines.\u003c\/li\u003e\n  \u003cli\u003ePush-on connectors fit non-threaded or damaged plug wells for quicker checks.\u003c\/li\u003e\n  \u003cli\u003eM14 extension and long hose reach deep-set spark plugs or multi-valve heads.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard shop air compressors (verify pressure range before use).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat accessories are included and how do they improve testing?\u003c\/h3\u003e\n\n\u003cp\u003eThe 10-piece kit expands a basic leak-down set with a broader selection of fittings and extensions so you can adapt to more vehicles without improvising. Aluminum and rubber construction balances durability with a lightweight feel, while the molded carrying case keeps parts organized and protected between jobs. These extras speed diagnosis and reduce the need to source separate adapters.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDual gauge assembly with built-in regulator for immediate, readable results.\u003c\/li\u003e\n  \u003cli\u003eTwo universal push-on connectors and two threaded adapters for fit flexibility.\u003c\/li\u003e\n  \u003cli\u003eM14 extension rod and long-reaching hose to access recessed spark plug holes.\u003c\/li\u003e\n  \u003cli\u003eDurable carrying case to organize and protect all components during storage and transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you interpret leak-down results safely and accurately?\u003c\/h3\u003e\n\n\u003cp\u003eSet the piston at top dead center on the compression stroke before pressurizing and record both the input pressure and leak percentage shown on the gauges. Small leakage numbers suggest healthy sealing; larger percentages indicate issues with rings, valves, head gasket or intake\/exhaust ports. Use the audible and visual cues (air escaping from intake\/exhaust, oil filler, or crankcase) to help localize the leak without relying on guesswork.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAlways rotate engine to TDC on the compression stroke before testing.\u003c\/li\u003e\n  \u003cli\u003eListen for escaping air in intake, exhaust, or crankcase to locate the leak path.\u003c\/li\u003e\n  \u003cli\u003eCompare readings between cylinders for consistent diagnosis and follow-up testing.\u003c\/li\u003e\n  \u003cli\u003eDepressurize and disconnect carefully after testing to avoid sudden air release.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The TradeINArt Multi-Function Cylinder Leak Down Tester Kit suits home mechanics, mobile technicians and small shop professionals who need a compact, adaptable leak-down solution. It’s perfect for troubleshooting misfires, poor compression and engine wear on gasoline-powered vehicles where a clear, repeatable leak-down readout helps decide whether to repair or rebuild.\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 motorcycle engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The included push-on and threaded adapters plus the M14 extension allow testing most gasoline motorcycle cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need an air compressor to use the leak-down tester?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. A standard air compressor is required; confirm your compressor matches the kit's safe pressure range before testing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TradeINArt","offers":[{"title":"Default Title","offer_id":48083241664670,"sku":"B0B8SMT1CW","price":55.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tradeinart-front-view-dual-gauge-assembly.jpg?v=1785829381","url":"https:\/\/northtrailauto.ca\/products\/tradeinart-multi-function-cylinder-leak-down-tester-kit-dual-gauge-10-piece-set-for-gasoline-engines-regulator","provider":"North Trail Auto","version":"1.0","type":"link"}