{"product_id":"nissan-ni-54420-pressure-restriction-gauge-adapter","title":"Nissan NI-54420 Pressure \/ Restriction Gauge Adapter","description":"\u003cp class=\"MsoNormal\"\u003eNissan NI‑54420 – Pressure \/ Restriction Gauge Adapter (OEM Fuel \u0026amp; Airflow Diagnostic Tool\u003cb\u003e)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUsed with NI-44321-1A Gauge and NI-54416 Compucheck Quick-connect Coupling.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eNissan NI‑54420 Pressure \/ Restriction Gauge Adapter\u003c\/b\u003e is a genuine OEM diagnostic adapter engineered to connect precision gauges to Nissan fuel, air‑intake, and emission‑related systems for accurate pressure and restriction testing. Modern engines rely on tightly controlled pressure values—whether in the fuel rail, intake tract, crankcase ventilation system, or emission‑control circuits. The NI‑54420 provides the correct interface to perform these tests safely, cleanly, and in full compliance with Nissan factory diagnostic procedures.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis adapter is referenced throughout Nissan service manuals for diagnosing fuel‑delivery issues, airflow restrictions, clogged filters, EVAP faults, and other pressure‑related performance concerns. Its precision‑machined design ensures a leak‑free connection and reliable readings, making it essential for accurate troubleshooting.\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 Diagnostic Adapter\u003c\/b\u003e Designed specifically for Nissan systems requiring pressure or restriction testing.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eEnables Accurate Pressure \u0026amp; Vacuum Readings\u003c\/b\u003e Provides a secure, leak‑free interface for gauges and diagnostic tools.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eSupports Fuel, Airflow \u0026amp; Emissions Diagnostics\u003c\/b\u003e Ideal for testing fuel‑system pressure, intake restrictions, EVAP circuits, and crankcase ventilation.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\n\u003cb\u003eProtects System Seals \u0026amp; Fittings\u003c\/b\u003e Eliminates the need to disturb sensitive lines or connectors.\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 diagnostic environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\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":51336626897060,"sku":"NI-54420","price":212.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3718\/1860\/files\/NI-54420.png?v=1779750093","url":"https:\/\/tillmantools.com\/products\/nissan-ni-54420-pressure-restriction-gauge-adapter","provider":"Tillman Tools LLC","version":"1.0","type":"link"}