{"product_id":"ousimy-rear-differential-coupler-toyota-sienna","title":"OUSIMY Rear Differential Viscous Coupler Coupling for Toyota Sienna2.7L3.5L2011-2018|0E 41303-08020","description":"\u003cp\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eOE Part Number: 41303-08020\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Warranty\u003c\/td\u003e\n\u003ctd\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e41303-28013, 4130328013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlacement on Vehicle\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOE\/OEM Part Number\u003c\/td\u003e\n\u003ctd\u003e41303-28013, 41303-28011, 41303-28012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOUSIMY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDifferential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterchange Part Number\u003c\/td\u003e\n\u003ctd\u003e41303 28013, 4130328011, 4130328012, 41303-28011, 43303-28012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Type\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eDoes not apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eFor 2011-2018 Toyota Sienna AWD 2.7L 3.5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv data-page-id=\"VQGWd1Mknon3hDxEjjYcaTAVnth\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-CeoJf4nK2d2ULlcwNvWcJFJ9nJg\"\u003eThis rear differential viscous coupler coupling serves as a core AWD torque transfer component, specially designed as a direct replacement for the 2011-2018 Toyota Sienna 2.7L and 3.5L all-wheel-drive models. It precisely regulates power distribution between the front and rear axles, stabilizing AWD operation and eliminating inconsistent power output caused by worn factory units.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-X01KfGPzUdXBfdcpaKzcEfKUnBh\"\u003eCrafted with premium die-cast aluminum housing, high-temperature resistant internal viscous fluid, and multi-layer fluorine rubber sealing rings, this viscous coupler delivers outstanding structural rigidity and aging resistance. It installs directly on the rear differential driveline of AWD Toyota Sienna. All mounting dimensions, internal spline specifications and assembly interfaces fully comply with OEM factory standards, supporting plug-and-play installation for all 2.7L and 3.5L Sienna AWD vehicles from 2011 to 2018 without any modification.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Em9yf4wuKdaKeBcrsNTcqfLFngT\"\u003eDifferent from original factory couplings that suffer from fluid attenuation, seal aging and performance degradation after long-term highway and daily driving, this upgraded viscous coupler adopts optimized fluid formula and thickened anti-leak seal structure. It effectively resists high-temperature oxidation and pressure loss, greatly extending service life and improving overall system stability. The unit comes fully pre-assembled and pre-tested before shipment, requiring no professional calibration or fluid filling, which greatly reduces installation difficulty for both repair shops and DIY replacement.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WkYlfWyt0dKg9UcSUBEcWYV7nZf\"\u003eThis replacement coupling solves the most common inherent faults of aging Toyota Sienna AWD systems. It effectively fixes low-speed turn shudder, rear driveline humming and grinding noise, delayed AWD engagement on slippery roads, rear differential oil seepage, and weak torque transfer that leads to frequent replacement of stock parts and increased maintenance costs.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WzFffhjr7d6rRZcholEcUochnug\"\u003eIt resolves mainstream OBD diagnostic trouble codes triggered by failed viscous couplers, including AWD system performance error codes and rear driveline torque distribution malfunctions detected by standard automotive scan tools.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-LIM2f299odrtrQccR8Kcvl7mn5f\"\u003eWe provide free standard shipping for all orders across the United States. All in-stock products are shipped within 1 business day after payment confirmation, dispatched directly from our local US warehouse with complete tracking information to ensure fast and transparent delivery.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Nsctfo3wpdgjRacPvTycsgr0ntc\"\u003eEvery OUSIMY rear differential viscous coupler is backed by a 2-year limited manufacturer warranty against factory defects. The installation process fully matches official Toyota service guidelines, allowing experienced vehicle owners to complete independent DIY replacement and save expensive dealership labor fees.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Gm3jfTGXwd6aMRcjwzPcGbcpnCh\"\u003e\u003cstrong\u003eFull Compatible Vehicle List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-HEGJfz4fedfIaYci0O7cT5jQn5e\"\u003eToyota Sienna AWD 2.7L 2011 \u003cbr\u003eToyota Sienna AWD 3.5L 2011 \u003cbr\u003eToyota Sienna AWD 2.7L 2012 \u003cbr\u003eToyota Sienna AWD 3.5L 2012 \u003cbr\u003eToyota Sienna AWD 2.7L 2013 \u003cbr\u003eToyota Sienna AWD 3.5L 2013 \u003cbr\u003eToyota Sienna AWD 2.7L 2014 \u003cbr\u003eToyota Sienna AWD 3.5L 2014 \u003cbr\u003eToyota Sienna AWD 2.7L 2015 \u003cbr\u003eToyota Sienna AWD 3.5L 2015 \u003cbr\u003eToyota Sienna AWD 2.7L 2016 \u003cbr\u003eToyota Sienna AWD 3.5L 2016 \u003cbr\u003eToyota Sienna AWD 2.7L 2017 \u003cbr\u003eToyota Sienna AWD 3.5L 2017 \u003cbr\u003eToyota Sienna AWD 2.7L 2018 \u003cbr\u003eToyota Sienna AWD 3.5L 2018\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/imgi_166_s-l1600_1c0e2bbf-74e1-4bc0-bbe1-005f09bfb03e.jpg?v=1783996460\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/imgi_167_s-l1600_1d0701e2-64c5-4313-aa50-7b1988a0d913.jpg?v=1783996460\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/imgi_168_s-l1600_3a26fb75-27e3-4b86-928e-91c900eeb137.jpg?v=1783996460\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/imgi_169_s-l1600_573a4ccc-3a0b-4ff2-b52e-6eefe254819e.jpg?v=1783996460\" alt=\"\"\u003e\u003c\/p\u003e","brand":"OUSIMY SHOP","offers":[{"title":"Default Title","offer_id":55252113391921,"sku":"QMCSQ0007","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/deee8993fce6b90ad97380dadd9eb06f.png?v=1783998062","url":"https:\/\/ousimy.com\/products\/ousimy-rear-differential-coupler-toyota-sienna","provider":"OUSIMY","version":"1.0","type":"link"}