{"id":339,"date":"2026-11-10T15:00:22","date_gmt":"2026-11-10T20:00:22","guid":{"rendered":"https:\/\/www.masonsautostore.com\/part\/genuine-subaru-thermostat-for-2010-2012-outback-oem-21210aa120\/"},"modified":"2026-11-10T16:02:44","modified_gmt":"2026-11-10T21:02:44","slug":"genuine-subaru-thermostat-for-2010-2012-outback-oem-21210aa120","status":"publish","type":"product","link":"https:\/\/www.masonsautostore.com\/es\/part\/genuine-subaru-thermostat-for-2010-2012-outback-oem-21210aa120\/","title":{"rendered":"Genuine Subaru Thermostat for 2010\u20132012 Outback (OEM 21210AA120)"},"content":{"rendered":"<h2>Genuine Thermostat for the 2010\u20132012 Subaru Outback<\/h2>\n<p>This is a brand-new, genuine Subaru thermostat with OEM part number <strong>21210AA120<\/strong>. It is the same part installed at the factory on the Subaru Outback, so it matches the original fit, finish and performance \u2014 no trimming, adapters or guesswork. Mason&#8217;s Auto Store sells it below the manufacturer&#8217;s suggested retail price, ships it across the USA and checks every order against your vehicle before it leaves our Akron, Ohio counter.<\/p>\n<p><strong>Fitment notes from the factory catalog:<\/strong> Legacy. Without turbo. Outback.<\/p>\n<h3>Specifications<\/h3>\n<table class=\"spec-table\">\n<tr>\n<th>Part type<\/th>\n<td>Thermostat<\/td>\n<\/tr>\n<tr>\n<th>OEM part number<\/th>\n<td>21210AA120<\/td>\n<\/tr>\n<tr>\n<th>Brand<\/th>\n<td>Subaru Genuine<\/td>\n<\/tr>\n<tr>\n<th>Condition<\/th>\n<td>New OEM (genuine factory part)<\/td>\n<\/tr>\n<tr>\n<th>Fits<\/th>\n<td>2010\u20132012 Subaru Outback<\/td>\n<\/tr>\n<tr>\n<th>Position<\/th>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<th>Warranty<\/th>\n<td>12 months (manufacturer parts warranty)<\/td>\n<\/tr>\n<\/table>\n<h3>Will it fit my Subaru Outback?<\/h3>\n<p>Trim level, engine, drivetrain and production date can change the correct part number. Use the Shop by Vehicle filter, compare the OEM number 21210AA120 with your old part, or add your 17-digit VIN at checkout \u2014 we verify fitment for free before shipping. Need several cooling &#038; a\/c parts for a shop or fleet? Send a bulk inquiry for one combined quote.<\/p>\n<h3>Why buy from Mason&#8217;s<\/h3>\n<ul>\n<li>Family parts store serving Akron since 1936<\/li>\n<li>Genuine OEM part number shown on every listing<\/li>\n<li>Pay by card, Afterpay, Zelle, Cash App or bank transfer \u2014 ships once payment is confirmed<\/li>\n<li>Optional shipping insurance and 30-day returns on unused parts<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Genuine Subaru thermostat (OEM 21210AA120). Fits 2010\u20132012 Subaru Outback. New, in original packaging \u2014 23% below MSRP. Free VIN fitment check.<\/p>","protected":false},"featured_media":524,"comment_status":"open","ping_status":"closed","template":"","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":""},"product_brand":[230],"product_cat":[98],"product_tag":[108,231,164],"mas_vehicle":[42,41],"mas_condition":[84],"mas_source":[89],"class_list":["post-339","product","type-product","status-publish","has-post-thumbnail","product_brand-subaru-genuine","product_cat-cooling-ac","product_tag-oem","product_tag-subaru-outback","product_tag-thermostat","mas_vehicle-subaru-outback","mas_vehicle-subaru","mas_condition-oem-new","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/comments?post=339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/media\/524"}],"wp:attachment":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/media?parent=339"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_brand?post=339"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_cat?post=339"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_tag?post=339"},{"taxonomy":"mas_vehicle","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_vehicle?post=339"},{"taxonomy":"mas_condition","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_condition?post=339"},{"taxonomy":"mas_source","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_source?post=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}