{"product_id":"nissan-roox-5aa-b44a-br06-sm21-cvt-automatic-transmission-31020x161a-2022","title":"NISSAN ROOX 2022 CVT AUTOMATIC TRANSMISSION BR06-SM21 5AA-B44A 31020X161A","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-697dd869-37f8-8321-b31c-277cce9f31b1-40\" data-testid=\"conversation-turn-144\" 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=\"fa171d7a-b894-416a-9536-f61a633c7c85\" 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=\"84\" data-end=\"491\"\u003eSearching for a Nissan Roox 5AA-B44A BR06-SM21 CVT automatic transmission 31020-X161A (2022) with correct specifications? You’re in the right place. This genuine Nissan automatic transmission assembly — identified by model code BR06-SM21 and OEM Part Number 31020X161A — is engineered for precise fitment, smooth shifting, and dependable long-term performance in compatible Nissan Roox vehicles.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"947\"\u003eThis automatic transmission assembly fits Nissan Roox (2022) models with chassis code 5AA-B44A equipped with the BR06-SM21 CVT automated gearbox paired to the factory-specified drivetrain. When matched with Nissan’s efficient and responsive powertrain systems, this CVT unit delivers seamless gear transitions, smooth torque delivery, and dependable driving performance — ideal for city commuting, daily errands, and urban traffic conditions.\u003c\/p\u003e\n\u003cp data-start=\"949\" data-end=\"1049\"\u003eOwners typically search for a replacement automatic transmission when experiencing symptoms such as:\u003c\/p\u003e\n\u003cp data-start=\"1051\" data-end=\"1288\"\u003e• Slipping or delayed gear engagement\u003cbr data-start=\"1088\" data-end=\"1091\"\u003e• Harsh or noisy gear changes\u003cbr data-start=\"1120\" data-end=\"1123\"\u003e• Transmission warning lights or diagnostic fault codes\u003cbr data-start=\"1178\" data-end=\"1181\"\u003e• Reduced power delivery or inconsistent acceleration\u003cbr data-start=\"1234\" data-end=\"1237\"\u003e• Unusual gearbox noise, vibration, or hesitation\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1613\"\u003eBecause CVT automatic transmissions must be matched precisely to engine characteristics, pulley and belt ratios, torque converter calibration, shift logic parameters, and ECU\/TCU communication, confirming the exact model code and OEM part number before purchase is essential to ensure correct fitment and long service life.\u003c\/p\u003e\n\u003ch3 data-start=\"1615\" data-end=\"1672\"\u003eWhy Transmission Model \u0026amp; Part Number Matching Matters\u003c\/h3\u003e\n\u003cp data-start=\"1674\" data-end=\"1931\"\u003eThis automatic transmission assembly is ideal for buyers searching for a Nissan Roox automatic transmission for sale, a CVT gearbox replacement, or a complete automatic transmission solution that restores smooth operation and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"1933\" data-end=\"2018\"\u003eAutomatic transmissions are precision-engineered systems tuned to work with specific:\u003c\/p\u003e\n\u003cp data-start=\"2020\" data-end=\"2207\"\u003e• Engine power and torque curves\u003cbr data-start=\"2052\" data-end=\"2055\"\u003e• CVT pulley and belt design\u003cbr data-start=\"2083\" data-end=\"2086\"\u003e• Torque converter\/CVT calibration\u003cbr data-start=\"2120\" data-end=\"2123\"\u003e• Shift logic and control mapping\u003cbr data-start=\"2156\" data-end=\"2159\"\u003e• Transmission control (ECU\/TCU) communication\u003c\/p\u003e\n\u003cp data-start=\"2209\" data-end=\"2250\"\u003eInstalling a mismatched unit can lead to:\u003c\/p\u003e\n\u003cp data-start=\"2252\" data-end=\"2479\"\u003e• Transmission warning lights or diagnostic fault codes\u003cbr data-start=\"2307\" data-end=\"2310\"\u003e• Poor acceleration or inconsistent drivability\u003cbr data-start=\"2357\" data-end=\"2360\"\u003e• Harsh or delayed gear changes\u003cbr data-start=\"2391\" data-end=\"2394\"\u003e• Reduced fuel economy and overheating risk\u003cbr data-start=\"2437\" data-end=\"2440\"\u003e• Premature wear or component failure\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2515\"\u003eBefore purchasing, always confirm:\u003c\/p\u003e\n\u003cp data-start=\"2517\" data-end=\"2670\"\u003e• Correct transmission model (BR06-SM21)\u003cbr data-start=\"2557\" data-end=\"2560\"\u003e• Exact OEM part number (31020X161A)\u003cbr data-start=\"2596\" data-end=\"2599\"\u003e• Compatible vehicle model and chassis code (Nissan Roox 5AA-B44A 2022)\u003c\/p\u003e\n\u003cp data-start=\"2672\" data-end=\"2808\"\u003eVerifying these details ensures smooth installation, accurate ECU\/TCU communication, and dependable long-term performance you can trust.\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":42834678874202,"sku":"DY_Automatic Transmission_2399","price":1905.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3633\/2890\/files\/1_285a5d69-8c26-415a-b746-9de286a64b48.jpg?v=1769640451","url":"https:\/\/dynacarparts.com\/products\/nissan-roox-5aa-b44a-br06-sm21-cvt-automatic-transmission-31020x161a-2022","provider":"Dyna Car Parts","version":"1.0","type":"link"}