{"product_id":"ldcre-lock-up-solenoid-for-subaru-lineartronic-cvt-tr580-tr690-3-2-3-7ω-black-direct-fit-replacement","title":"LDCRE Lock-up Solenoid for Subaru Lineartronic CVT TR580\/TR690 — 3.2–3.7Ω Black, Direct-Fit Replacement","description":"\u003cp\u003e\u003cstrong\u003eLDCRE Lock-up Solenoid (3.2–3.7 ohm) is a direct-fit replacement solenoid for Subaru Lineartronic CVT TR580\/TR690 transmissions, restoring torque-converter lock-up and AWD transfer clutch control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, black lock-up solenoid (part numbers 31825AA050, 31825AA051, 31825AA052 and related OE codes) is made to work with select Subaru Legacy, Forester, Outback, Impreza and Crosstrek models equipped with TR580 or TR690 CVT transmissions. It controls hydraulic pressure used by the torque converter lock-up and AWD transfer clutch, helping the valve body regulate engagement timings and pressure during driving. The unit is sold singly and is intended as a direct replacement—verify your vehicle’s part number and transmission code before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Subaru models will this solenoid fit?\u003c\/h3\u003e\n\u003cp\u003eThis LDCRE solenoid fits many Subaru vehicles equipped with TR580 or TR690 Lineartronic CVTs from roughly 2010–2017. Common fits include Legacy, Forester, Outback, Impreza and Crosstrek variants listed by model and trim years. Always cross-check the OE part number printed on your old solenoid to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible OE references: 31825AA050 \/ 31825AA051 \/ 31825AA052 and associated 31706-series codes.\u003c\/li\u003e\n  \u003cli\u003eTypical models: Legacy 2.5i\/2.5GT, Forester 2.5i\/X, Outback 2.5i\/Base\/Limited, Impreza and Crosstrek versions (model years vary).\u003c\/li\u003e\n  \u003cli\u003eTransmission types: Subaru Lineartronic CVT with TR580 or TR690 valve body designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this solenoid affect transmission performance?\u003c\/h3\u003e\n\u003cp\u003eThe lock-up solenoid modulates hydraulic pressure to engage or release the torque converter lock-up clutch and to manage AWD transfer clutch operation. A working solenoid supports smoother shift behavior, better torque transfer, and more predictable AWD engagement, while a failed unit can cause flag symptoms such as codes or harsh engagement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRegulates pressure for converter lock-up and AWD transfer clutch.\u003c\/li\u003e\n  \u003cli\u003eHelps the valve body achieve consistent engagement timing.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit electrical and hydraulic connections for clean replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying and installing?\u003c\/h3\u003e\n\u003cp\u003eConfirm the part number on your existing solenoid and the exact transmission model (TR580 or TR690) listed in your vehicle’s service information. Inspect wiring and connector pins for damage before installing, and replace any damaged seals or valve body components as needed to ensure proper sealing and function.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify OE code: 31825AA050\/051\/052 or matching 31706-series numbers.\u003c\/li\u003e\n  \u003cli\u003eCheck transmission type: TR580 or TR690 Lineartronic CVT.\u003c\/li\u003e\n  \u003cli\u003eReplace O-rings and clean valve body bores when servicing the solenoid.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the package include and what are the specs?\u003c\/h3\u003e\n\u003cp\u003eEach order contains one AWD\/lock-up solenoid as pictured. The coil resistance is specified within the 3.2–3.7 ohm range to match the electrical characteristics expected by the TR580\/TR690 valve body circuits. Installation typically requires dropping the pan and accessing the valve body or designated service port depending on vehicle model.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 1 x LDCRE lock-up\/AWD solenoid (black).\u003c\/li\u003e\n  \u003cli\u003eElectrical resistance: approximately 3.2–3.7 ohms.\u003c\/li\u003e\n  \u003cli\u003eReplacement references: TR580\/TR690 31825AA050\/051\/052 and related numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This LDCRE solenoid is meant for DIY mechanics, independent shops and fleet technicians repairing Subaru Lineartronic CVT systems who need a direct-fit replacement for torque converter lock-up or AWD transfer clutch control. It suits owners of compatible Legacy, Forester, Outback, Impreza and Crosstrek models who have confirmed OE part numbers and want a like-for-like solenoid with the correct coil resistance for TR580\/TR690 valve bodies.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplacement Number: TR580 TR690 31825AA050 31825AA051 31825AA052 31706AA030 31706AA031 31706AA032 31706AA033.\u003c\/li\u003e\n  \u003cli\u003eFit Car Model: Subaru Crosstrek, Forester, Legacy, Outback, Impreza with CVT TR580\/TR690 Transmission.\u003c\/li\u003e\n  \u003cli\u003ePackage Included: 1 x AWD Solenoid as pictured.\u003c\/li\u003e\n  \u003cli\u003eNotice: Please check the part number before purchasing to ensure fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this solenoid fit my 2014 Forester CVT?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your 2014 Forester uses a TR580 or TR690 Lineartronic CVT and the OE part matches 31825AA050\/051\/052 (or related 31706 codes), this LDCRE solenoid should fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this without replacing valve body seals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can swap the solenoid alone, but replacing O-rings and inspecting valve body bores is recommended to ensure a leak-free installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LDCRE","offers":[{"title":"Default Title","offer_id":67586691760313,"sku":"B0BDZ368RZ","price":133.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ldcre-lock-up-solenoid-front-view.jpg?v=1790490180","url":"https:\/\/redleafauto.ca\/products\/ldcre-lock-up-solenoid-for-subaru-lineartronic-cvt-tr580-tr690-3-2-3-7%cf%89-black-direct-fit-replacement","provider":"Redleaf Auto","version":"1.0","type":"link"}