{"product_id":"nissan-dayz-2014-dba-b21w-cvt-automatic-transmission-310206a00m","title":"NISSAN DAYZ CVT AUTOMATIC TRANSMISSION DBA-B21W 310206A00M 2014","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:124f1e42-c227-4a20-807c-47a3c5f10e27-151\" data-testid=\"conversation-turn-52\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c895d4e0-be46-4f6d-bf3d-9caad56448d3\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"73\" data-end=\"889\"\u003eSearching for a genuine CVT automatic transmission assembly engineered to fit the Nissan Dayz 2014 (Model Code DBA-B21W) with OEM transmission part number 31020-6A00M? You’re in the right place.\u003cbr data-start=\"279\" data-end=\"282\"\u003eThis Continuously Variable Transmission (CVT) automatic unit is precision-built to match the drivetrain specifications of the Dayz compact platform — designed to deliver smooth, seamless acceleration, efficient power delivery, and dependable long-term performance across city driving, highway cruising, and everyday commutes. Engineered for seamless integration with the Dayz engine’s torque characteristics, CVT behaviour, and transmission control logic, this unit helps restore refined drivability, consistent throttle response, and reliable performance expected from a factory-matched drivetrain.\u003c\/p\u003e\n\u003ch3 data-start=\"891\" data-end=\"937\"\u003eWhy Replacement Transmissions Are Sought\u003c\/h3\u003e\n\u003cp data-start=\"938\" data-end=\"1051\"\u003eOwners commonly search for a Nissan Dayz automatic transmission replacement when experiencing symptoms such as:\u003c\/p\u003e\n\u003cul data-start=\"1052\" data-end=\"1347\"\u003e\n\u003cli data-start=\"1052\" data-end=\"1107\"\u003e\n\u003cp data-start=\"1054\" data-end=\"1107\"\u003eDelayed, slipping, or inconsistent acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1174\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1174\"\u003eUnusual noise, vibration, or “shudder” during gear transitions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1175\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1177\" data-end=\"1233\"\u003eErratic RPM behaviour or belt\/chain shudder under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1234\" data-end=\"1290\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1290\"\u003eCVT-related warning lights or diagnostic fault codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1291\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1293\" data-end=\"1347\"\u003eReduced fuel economy or inconsistent torque delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1349\" data-end=\"1654\"\u003eBecause CVT automatic transmissions are precision-tuned systems that integrate tightly with engine management, torque converter mapping, and transmission control module (TCM) logic, ensuring correct fitment and specification matching before purchase is essential for optimal performance and longevity.\u003c\/p\u003e\n\u003ch3 data-start=\"1656\" data-end=\"1719\"\u003eWhy Transmission Fitment \u0026amp; Specification Matching Matters\u003c\/h3\u003e\n\u003cp data-start=\"1720\" data-end=\"1821\"\u003eThis Nissan Dayz 2014 CVT automatic transmission (\u003cem data-start=\"1770\" data-end=\"1783\"\u003e31020-6A00M\u003c\/em\u003e) is ideal for buyers searching for:\u003c\/p\u003e\n\u003cul data-start=\"1822\" data-end=\"1995\"\u003e\n\u003cli data-start=\"1822\" data-end=\"1870\"\u003e\n\u003cp data-start=\"1824\" data-end=\"1870\"\u003eA Nissan Dayz CVT automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1871\" data-end=\"1919\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1919\"\u003eA direct OEM-compatible gearbox solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1920\" data-end=\"1995\"\u003e\n\u003cp data-start=\"1922\" data-end=\"1995\"\u003eA replacement that restores factory-matched performance and drivability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1997\" data-end=\"2069\"\u003eAutomatic transmissions — especially CVTs — must align precisely with:\u003c\/p\u003e\n\u003cul data-start=\"2070\" data-end=\"2304\"\u003e\n\u003cli data-start=\"2070\" data-end=\"2137\"\u003e\n\u003cp data-start=\"2072\" data-end=\"2137\"\u003eEngine output and torque characteristics of the Dayz drivetrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2138\" data-end=\"2192\"\u003e\n\u003cp data-start=\"2140\" data-end=\"2192\"\u003eTorque converter calibration and CVT ratio mapping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2193\" data-end=\"2245\"\u003e\n\u003cp data-start=\"2195\" data-end=\"2245\"\u003eTransmission control logic and TCM communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2246\" data-end=\"2304\"\u003e\n\u003cp data-start=\"2248\" data-end=\"2304\"\u003eECU\/TCM sensor integration and drivetrain coordination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2306\" data-end=\"2544\"\u003eInstalling a mismatched or incompatible unit can result in persistent warning lights, rough or unpredictable power delivery, reduced fuel economy, overheating risk, erratic throttle response, and premature wear or early component failure.\u003c\/p\u003e\n\u003ch3 data-start=\"2546\" data-end=\"2585\"\u003eBefore Purchasing, Always Confirm\u003c\/h3\u003e\n\u003cul data-start=\"2586\" data-end=\"2862\"\u003e\n\u003cli data-start=\"2586\" data-end=\"2663\"\u003e\n\u003cp data-start=\"2588\" data-end=\"2663\"\u003eCompatible vehicle model and generation (Nissan Dayz 2014 — DBA-B21W)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2664\" data-end=\"2750\"\u003e\n\u003cp data-start=\"2666\" data-end=\"2750\"\u003eExact transmission variant (CVT automatic) and OEM part number 31020-6A00M\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2751\" data-end=\"2796\"\u003e\n\u003cp data-start=\"2753\" data-end=\"2796\"\u003eWiring harness and mounting compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2797\" data-end=\"2862\"\u003e\n\u003cp data-start=\"2799\" data-end=\"2862\"\u003eControl-module (ECU\/TCM) calibration and software integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2864\" data-end=\"3104\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eVerifying these details ensures precise fitment, seamless ECU\/TCM communication, and dependable long-term performance you can trust — whether you’re replacing a worn unit or restoring smooth, factory-matched drivability and reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Dyna Car Parts","offers":[{"title":"Default Title","offer_id":42834299977818,"sku":"DY_Automatic Transmission_2234","price":1854.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3633\/2890\/files\/1_4a8ca1f8-0353-4c6a-86b1-e91f1e7a178a.jpg?v=1769635152","url":"https:\/\/dynacarparts.com\/products\/nissan-dayz-2014-dba-b21w-cvt-automatic-transmission-310206a00m","provider":"Dyna Car Parts","version":"1.0","type":"link"}