{"product_id":"nissan-ni-54415-compression-test-adapter","title":"Nissan NI-54415 Compression Test Adapter","description":"\u003cp class=\"MsoNormal\"\u003eNissan NI‑54415 – Compression Test Adapter (OEM Engine Diagnostic Tool)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eNissan NI‑54415 Compression Test Adapter\u003c\/b\u003e is a genuine OEM diagnostic tool engineered to provide an accurate, secure connection between a compression gauge and Nissan engine cylinders during compression testing. Proper compression readings are essential for diagnosing engine health, identifying worn piston rings, detecting valve sealing issues, and confirming overall combustion‑chamber integrity. The NI‑54415 ensures a leak‑free, factory‑correct interface so technicians can obtain precise, repeatable measurements.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eDesigned to match Nissan’s service‑manual specifications, this adapter threads directly into the cylinder head or spark‑plug port (depending on engine design), providing the correct depth, sealing surface, and alignment required for reliable compression testing on Nissan powertrains.\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 Compression Test Adapter\u003c\/b\u003e Engineered specifically for Nissan engines to ensure accurate diagnostic readings.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eEnsures Leak‑Free Gauge Connection\u003c\/b\u003e Provides a secure seal to prevent pressure loss during testing.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eSupports Engine Health Diagnostics\u003c\/b\u003e Essential for identifying worn rings, valve issues, head‑gasket failures, and cylinder sealing problems.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003ePrecision‑Machined for Correct Fitment\u003c\/b\u003e Matches Nissan thread specifications and seating depth for consistent, repeatable results.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eDurable, Shop‑Ready Construction\u003c\/b\u003e Built for repeated use in dealership service departments and high‑volume repair environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor Nissan Tools Catalog click\u003ca href=\"https:\/\/www.tillmantools.com\/nissan-s\/2389.htm\" rel=\"noopener\" target=\"_blank\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/www.tillmantools.com\/nissan-s\/2389.htm\" rel=\"noopener\" target=\"_blank\"\u003ehere\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eAre you looking for Nissan Repair Tools? Rest assured, we're here to guide you. Please, if you're unable to find the Nissan Techmate Tools that you're searching for in our catalog, do not hesitate to contact us. Our dedicated and knowledgeable team can gladly assist with any inquiries you may have, helping you find just the right tool to meet your requirements. You can connect with us directly at \u003cstrong\u003e(909) 334-4400.\u003c\/strong\u003e Tillman carries the broadest inventory of Nissan automotive tools online.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for hard-to-find quality Kent Moore 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 are an authorized repair shop, an independent repair shop or DIY enthusiast needing specialty automotive tools hand tools or equipment, we have you covered. Our selection also includes parts and specialty tools for Harley-Davidson, Ducati, Suzuki to ensure the job gets done right.\u003c\/p\u003e","brand":"Tech-Mate Tools \u0026 Equipment","offers":[{"title":"Default Title","offer_id":51278264172708,"sku":"NI-54415","price":403.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3718\/1860\/files\/NI-54415.png?v=1773858830","url":"https:\/\/tillmantools.com\/products\/nissan-ni-54415-compression-test-adapter","provider":"Tillman Tools LLC","version":"1.0","type":"link"}