{"product_id":"honda-k-series-mazda-miata-31-way-ecu-connector-plug-kit","title":"Honda K-Series \/ Mazda Miata 31-Way ECU Connector Plug Kit","description":"\u003ch2 data-start=\"436\" data-end=\"506\"\u003eOEM-Style 31-Pin ECU Connector for K-Series \u0026amp; NB Miata Applications\u003c\/h2\u003e\n\u003cp data-start=\"508\" data-end=\"795\"\u003eThe 31-Way ECU Plug Connector Kit is an OEM-style replacement connector used in \u003cstrong data-start=\"588\" data-end=\"618\"\u003eHonda K-Series ECU systems\u003c\/strong\u003e and select \u003cstrong data-start=\"630\" data-end=\"665\"\u003eNB Mazda Miata ECU applications\u003c\/strong\u003e. This 31-pin connector is commonly required for ECU repairs, standalone conversions, and professional custom harness fabrication.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"995\"\u003eDesigned for serious wiring projects, this connector provides correct pin alignment, secure terminal retention, and long-term electrical reliability for high-performance and motorsport environments.\u003c\/p\u003e\n\u003chr data-start=\"997\" data-end=\"1000\"\u003e\n\u003ch2 data-start=\"1002\" data-end=\"1058\"\u003eIdeal for Standalone ECU Builds \u0026amp; Harness Fabrication\u003c\/h2\u003e\n\u003cp data-start=\"1060\" data-end=\"1346\"\u003eECU connector damage from corrosion, broken locks, or previous wiring modifications can lead to intermittent faults and unreliable communication. Replacing the ECU plug with a proper OEM-style housing restores signal integrity and ensures a secure interface between the harness and ECU.\u003c\/p\u003e\n\u003cp data-start=\"1348\" data-end=\"1388\"\u003eThis connector kit is commonly used for:\u003c\/p\u003e\n\u003cul data-start=\"1390\" data-end=\"1607\"\u003e\n\u003cli data-start=\"1390\" data-end=\"1429\"\u003e\n\u003cp data-start=\"1392\" data-end=\"1429\"\u003eHonda \u003cstrong data-start=\"1398\" data-end=\"1429\"\u003eK-Series ECU harness repair\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1430\" data-end=\"1472\"\u003e\n\u003cp data-start=\"1432\" data-end=\"1472\"\u003eNB Mazda Miata ECU connector replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1473\" data-end=\"1512\"\u003e\n\u003cp data-start=\"1475\" data-end=\"1512\"\u003eStandalone ECU adapter harness builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1513\" data-end=\"1561\"\u003e\n\u003cp data-start=\"1515\" data-end=\"1561\"\u003eCustom jumper or extension harness fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1562\" data-end=\"1607\"\u003e\n\u003cp data-start=\"1564\" data-end=\"1607\"\u003eMotorsport and race vehicle wiring projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1609\" data-end=\"1612\"\u003e\n\u003ch2 data-start=\"1614\" data-end=\"1670\"\u003eOEM-Style Construction with Proper Terminal Retention\u003c\/h2\u003e\n\u003cp data-start=\"1672\" data-end=\"1973\"\u003eThe 31-pin housing is manufactured to OEM-style specifications, ensuring proper fitment and terminal engagement when correctly crimped and installed. When paired with professional open-barrel crimping tools, this connector delivers consistent electrical contact suitable for engine management systems.\u003c\/p\u003e\n\u003cp data-start=\"1975\" data-end=\"2007\"\u003eThis connector is equivalent to:\u003c\/p\u003e\n\u003cul data-start=\"2009\" data-end=\"2058\"\u003e\n\u003cli data-start=\"2009\" data-end=\"2033\"\u003e\n\u003cp data-start=\"2011\" data-end=\"2033\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2033\"\u003eToyota 90980-11421\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2034\" data-end=\"2058\"\u003e\n\u003cp data-start=\"2036\" data-end=\"2058\"\u003e\u003cstrong data-start=\"2036\" data-end=\"2058\"\u003eToyota 90980-11935\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2060\" data-end=\"2144\"\u003eCross-referencing expands compatibility across multiple OEM and custom applications.\u003c\/p\u003e\n\u003chr data-start=\"2146\" data-end=\"2149\"\u003e\n\u003ch2 data-start=\"2151\" data-end=\"2182\"\u003eCross-Platform Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2184\" data-end=\"2212\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul data-start=\"2214\" data-end=\"2369\"\u003e\n\u003cli data-start=\"2214\" data-end=\"2254\"\u003e\n\u003cp data-start=\"2216\" data-end=\"2254\"\u003eHonda \u003cstrong data-start=\"2222\" data-end=\"2254\"\u003eK20 \/ K24 ECU configurations\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2255\" data-end=\"2282\"\u003e\n\u003cp data-start=\"2257\" data-end=\"2282\"\u003eNB Mazda Miata ECU setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2283\" data-end=\"2369\"\u003e\n\u003cp data-start=\"2285\" data-end=\"2369\"\u003eToyota-based connector cross-reference applications using 90980-11421 or 90980-11935\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2371\" data-end=\"2487\"\u003eAlways confirm connector keying and cavity layout before installation, as ECU variants may differ by year and model.\u003c\/p\u003e\n\u003chr data-start=\"2489\" data-end=\"2492\"\u003e\n\u003ch2 data-start=\"2494\" data-end=\"2512\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"2514\" data-end=\"2599\"\u003e\n\u003cli data-start=\"2514\" data-end=\"2549\"\u003e\n\u003cp data-start=\"2516\" data-end=\"2549\"\u003e1× 31-Way ECU Connector Housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2550\" data-end=\"2572\"\u003e\n\u003cp data-start=\"2552\" data-end=\"2572\"\u003eMatching Terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2573\" data-end=\"2599\"\u003e\n\u003cp data-start=\"2575\" data-end=\"2599\"\u003eSeals (where applicable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2601\" data-end=\"2727\"\u003eThis kit includes the necessary terminals and components to integrate directly into custom or replacement wiring applications.\u003c\/p\u003e\n\u003chr data-start=\"2729\" data-end=\"2732\"\u003e\n\u003ch2 data-start=\"2734\" data-end=\"2755\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"2757\" data-end=\"2917\"\u003eProfessional wiring knowledge is recommended. Proper depinning and crimping tools are required to ensure secure terminal installation and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"2919\" data-end=\"3064\"\u003eFitment may vary depending on ECU version and harness configuration. Minor adaptation may be required in certain standalone or conversion builds.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Default Title","offer_id":48340201406718,"sku":"vti426","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/7358\/2078\/files\/IMG_9829-Enhanced-NR.webp?v=1781142758","url":"https:\/\/xtperformancemn.com\/products\/honda-k-series-mazda-miata-31-way-ecu-connector-plug-kit","provider":"XT Performance","version":"1.0","type":"link"}