{"product_id":"nissan-ni-53370-coolant-reservoir-test-adapter","title":"Nissan NI-53370 Coolant Reservoir Test Adapter","description":"\u003cp class=\"MsoNormal\"\u003eNissan NI‑53370 – Coolant Reservoir Test Adapter (OEM Cooling System Pressure‑Test Interface Tool)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eNissan NI‑53370 Coolant Reservoir Test Adapter\u003c\/b\u003e is a genuine OEM service tool engineered to provide a secure, leak‑free connection between Nissan coolant reservoirs and standard cooling‑system pressure testers. Modern Nissan cooling systems rely on sealed expansion tanks rather than traditional radiator caps, making the correct adapter essential for accurate pressure testing, leak diagnosis, and post‑service verification. The NI‑53370 ensures a precise fit to the reservoir neck, allowing technicians to apply controlled pressure without damaging the tank or fittings.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eReferenced throughout Nissan service manuals, this adapter is required for diagnosing coolant leaks, verifying system integrity after repairs, and confirming proper sealing of hoses, water pumps, heater cores, and reservoir assemblies.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eOEM‑Approved Pressure‑Test Adapter\u003c\/b\u003e Designed specifically for Nissan coolant reservoirs to ensure accurate and safe pressure testing.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eCreates a Secure, Leak‑Free Seal\u003c\/b\u003e Locks onto the reservoir neck to prevent air loss during pressure‑based diagnostics.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eSupports Full Cooling‑System Leak Testing\u003c\/b\u003e Enables technicians to identify leaks in hoses, radiators, heater cores, water pumps, and reservoir assemblies.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eProtects Plastic Reservoirs from Damage\u003c\/b\u003e Engineered to apply even pressure without cracking or deforming the tank.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eDurable, Professional‑Grade Construction\u003c\/b\u003e Built for repeated use in dealership service departments and high‑volume cooling‑system repair environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor the Nissan Tools Catalog, click \u003ca href=\"https:\/\/www.tillmantools.com\/nissan-s\/2389.htm\"\u003ehere\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for Nissan Repair Tools?\u003c\/strong\u003e\u003cbr\u003eRest assured, we're here to guide you. If you can't find the Nissan Tech-Mate Tools you're searching for in our catalog, please don't hesitate to contact us. Our dedicated and knowledgeable team is ready to assist with any inquiries and help you find the right tool to meet your needs. You can reach us directly at (909) 334-4400. Tillman carries the broadest online inventory of Nissan automotive tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Selection of Tools:\u003c\/strong\u003e\u003cbr\u003eAre you searching for hard-to-find quality tools, high-end electrician tools, auto-body repair tools and supplies, or forestry tools at affordable prices? Look no further! With FREE shipping on selected items, our store has everything you need. Whether you're an authorized repair shop, an independent repair shop, or a DIY enthusiast needing specialty automotive tools, hand tools, or equipment, we have you covered. Our selection includes parts and specialty tools for Harley-Davidson, Ducati, and Suzuki to ensure the job gets done correctly.\u003c\/p\u003e","brand":"Tech-Mate Tools \u0026 Equipment","offers":[{"title":"Default Title","offer_id":51336549564580,"sku":"NI-53370","price":136.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3718\/1860\/files\/NI-53370.png?v=1779740713","url":"https:\/\/tillmantools.com\/products\/nissan-ni-53370-coolant-reservoir-test-adapter","provider":"Tillman Tools LLC","version":"1.0","type":"link"}