{"product_id":"nissan-serena-2014-mr20dd-2-0l-petrol-cvt-automatic-transmission-310203vx5a","title":"NISSAN SERENA CVT AUTOMATIC TRANSMISSION 2.0L PETROL MR20DD 310203VX5A 2014","description":"\u003cp data-start=\"87\" data-end=\"948\"\u003eSearching for a genuine CVT automatic transmission assembly engineered to fit the Nissan Serena 2014 powered by the MR20DD 2.0-litre petrol engine with OEM transmission part number 31020-3VX5A? You’re in the right place.\u003cbr data-start=\"323\" data-end=\"326\"\u003eThis Continuously Variable Transmission (CVT) automatic unit is precision-built to match the drivetrain specifications of the Serena’s 2.0L platform — designed to deliver smooth, seamless acceleration, efficient power delivery, and dependable long-term performance across daily commuting, highway cruising, family hauling, and mixed driving conditions. Engineered for precise integration with the Serena’s engine output, CVT behaviour, and transmission control logic, this CVT assembly helps restore refined drivability, steady throttle response, and reliable performance expected from a factory-matched drivetrain.\u003c\/p\u003e\n\u003ch3 data-start=\"950\" data-end=\"996\"\u003eWhy Replacement Transmissions Are Sought\u003c\/h3\u003e\n\u003cp data-start=\"997\" data-end=\"1112\"\u003eOwners commonly search for a Nissan Serena automatic transmission replacement when experiencing symptoms such as:\u003c\/p\u003e\n\u003cul data-start=\"1113\" data-end=\"1401\"\u003e\n\u003cli data-start=\"1113\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1115\" data-end=\"1168\"\u003eDelayed, slipping, or inconsistent acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1237\"\u003e\n\u003cp data-start=\"1171\" data-end=\"1237\"\u003eUnusual noise, vibration, or belt\/chain shudder during operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1238\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1240\" data-end=\"1287\"\u003eErratic RPM behaviour or hesitation under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1344\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1344\"\u003eCVT-related warning lights or diagnostic fault codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1345\" data-end=\"1401\"\u003e\n\u003cp data-start=\"1347\" data-end=\"1401\"\u003eReduced fuel economy or inconsistent torque delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1403\" data-end=\"1727\"\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 to achieve optimal performance and long service life.\u003c\/p\u003e\n\u003ch3 data-start=\"1729\" data-end=\"1792\"\u003eWhy Transmission Fitment \u0026amp; Specification Matching Matters\u003c\/h3\u003e\n\u003cp data-start=\"1793\" data-end=\"1915\"\u003eThis Nissan Serena 2014 MR20DD 2.0L petrol CVT automatic transmission (\u003cem data-start=\"1864\" data-end=\"1877\"\u003e31020-3VX5A\u003c\/em\u003e) is ideal for buyers searching for:\u003c\/p\u003e\n\u003cul data-start=\"1916\" data-end=\"2091\"\u003e\n\u003cli data-start=\"1916\" data-end=\"1966\"\u003e\n\u003cp data-start=\"1918\" data-end=\"1966\"\u003eA Nissan Serena CVT automatic transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1967\" data-end=\"2015\"\u003e\n\u003cp data-start=\"1969\" data-end=\"2015\"\u003eA direct OEM-compatible gearbox solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2016\" data-end=\"2091\"\u003e\n\u003cp data-start=\"2018\" data-end=\"2091\"\u003eA replacement that restores factory-matched performance and drivability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2093\" data-end=\"2165\"\u003eAutomatic transmissions — especially CVTs — must align precisely with:\u003c\/p\u003e\n\u003cul data-start=\"2166\" data-end=\"2418\"\u003e\n\u003cli data-start=\"2166\" data-end=\"2251\"\u003e\n\u003cp data-start=\"2168\" data-end=\"2251\"\u003eEngine output and torque characteristics of the MR20DD 2.0L petrol drivetrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2252\" data-end=\"2306\"\u003e\n\u003cp data-start=\"2254\" data-end=\"2306\"\u003eTorque converter calibration and CVT ratio mapping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2307\" data-end=\"2359\"\u003e\n\u003cp data-start=\"2309\" data-end=\"2359\"\u003eTransmission control logic and TCM communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2360\" data-end=\"2418\"\u003e\n\u003cp data-start=\"2362\" data-end=\"2418\"\u003eECU\/TCM sensor integration and drivetrain coordination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2420\" data-end=\"2658\"\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=\"2660\" data-end=\"2699\"\u003eBefore Purchasing, Always Confirm\u003c\/h3\u003e\n\u003cul data-start=\"2700\" data-end=\"3008\"\u003e\n\u003cli data-start=\"2700\" data-end=\"2809\"\u003e\n\u003cp data-start=\"2702\" data-end=\"2809\"\u003eCompatible vehicle model, generation, and drivetrain layout (Nissan Serena 2014 — MR20DD 2.0L petrol)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2810\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2812\" data-end=\"2896\"\u003eExact transmission variant (CVT automatic) and OEM part number 31020-3VX5A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2897\" data-end=\"2942\"\u003e\n\u003cp data-start=\"2899\" data-end=\"2942\"\u003eWiring harness and mounting compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2943\" data-end=\"3008\"\u003e\n\u003cp data-start=\"2945\" data-end=\"3008\"\u003eControl-module (ECU\/TCM) calibration and software integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3010\" data-end=\"3250\"\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","brand":"Dyna Car Parts","offers":[{"title":"Default Title","offer_id":42834281824346,"sku":"DY_Automatic Transmission_2219","price":3151.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3633\/2890\/files\/1_6cdc1b29-6839-4d05-abef-c51229fcc0cd.jpg?v=1769634626","url":"https:\/\/dynacarparts.com\/products\/nissan-serena-2014-mr20dd-2-0l-petrol-cvt-automatic-transmission-310203vx5a","provider":"Dyna Car Parts","version":"1.0","type":"link"}