Best Transmission Torque Converter Lock Up Solenoids in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Helps control the flow of fluid within control valve body
Helps control clutch application pressure
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FLIBEN AutoParts | 8.10 | ✅ | ✅ | ✅ |
Condition: Brand New & High Quality & 1 Year Warranty
Replacement Number: TR580 TR690 31825AA050 31825AA051 31825AA052 31706AA030, 31706AA030, 31706AA031, 31706AA032, 31706AA033.
Fit Car Model: Subaru Crosstrek Forester Legacy Outback Impreza with CVT TR580 TR690 Transmission.
Package Included: 1 x AWD Solenoid as pictures
Notice: Please check the part number before purchasing to ensure fitment. Any question, please feel free to cantact us at any time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Takes the guesswork out of controlling the lock-up function on your TH700R4 overdrive transmission
Works with both carbureted and fuel injected engines; Saves you from having to buy any separate, expensive computer-controlled equipment
Provided vacuum controlled switch and 4th gear pressure switch controls the torque converter lock up solenoid
Kit comes with everything needed to complete the installation and fits any GM TH700R4 transmission
Includes: Vacuum switch, 4th gear pressure switch, brake switch, torque converter lock-up solenoid, wire harness, new transmission pan gasket and mounting hardware
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| lamda | 7.41 | ✅ | ✅ | ✅ |
✔️Fitment-- Torque converter clutch solenoid Compatible with Subaru 2.5L 2010/2011/2012/2013/2014/2015/2016/2017; Compatible with Subaru Crosstrek/Forester/Legacy/Outback/Impreza with CVT TR580 / TR690 Transmission.
✔️Part Number--31825AA050 31825AA051 31825AA052 31706AA030,31706AA030, 31706AA031, 31706AA033, 31706AA032.
✔️Package Included--1 x Lock-Up Solenoid，Uses high-quality materials, meets OE standards, and is 100% tested before shipping to ensure it can work better, and it lasts longer.(12-13 ohms)
✔️Installation-- Perfect match for the original car.Directly replace and easy to install
✔️Notice--Please check the part number before purchasing to ensure fitment. Customers' feeling is always our priority. we will reply within 24 hours if you have any question, pls contact us freely.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| yongzhenghong AutoParts | 8.32 | ✅ | ✅ | ✅ |
Condition: Brand New & High Quality & 1 Year Warranty
OEM: 31825AA050 31825AA051 31825AA052 31706AA030,31706AA030, 31706AA031, 31706AA032, 31706AA033.
Fit Car Model: Compatibile with Crosstrek Forester Legacy Outback Impreza with CVT TR580 TR690 Transmission
Package Included: 1 x Lock-Up Solenoid ( 12.1 ohms ) as Pictures
Notice: Please check the part number before purchasing to ensure fitment. Any question, please sent email to us.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DOLKSN | 9.78 | ✅ | ✅ | ✅ |
🏎️[IMPORTANT NOTE] Please check the part number before purchasing to ensure fitment.
🏎️[FITMENT] Subaru Crosstrek Forester Legacy Outback Impreza with CVT TR580 TR690 Transmission
🏎️[OEM NUMBER] 31825AA050 31825AA051 31825AA052 31706AA030 31706AA031 31706AA032 31706AA033
🏎️[OEM NUMBER] 1 x Lock-Up Solenoid (Brown)
🏎️[SERVICE] Warranty Period One Year.If you have any questions about the part,please contact us before purchasing it,we'll reply you within 24 hours.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| LiYouStore | 5.84 | ✅ | ✅ | ✅ |
Replacement Number: 31825AA050 31825AA051 31825AA052 31706AA030,31706AA030, 31706AA031, 31706AA033, 31706AA032
Compatible with Crosstrek compatible with Forester Compatible with Legacy Compatible with Outback Compatible with Impreza
The torque converter lock solenoid has undergone a series of tests to ensure quality
Please check carefully whether it matches your model
Please feel free to contact us if you have any question, we will reply you within 24 hours
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| QiSheng Store | 9.54 | ✅ | ✅ | ✅ |
!!!--Please Note--!!!: Only Fit for Brwon Torque Converter Solenoid 12.2-13.2Ω (Brwon 12.2-13.2Ω）!!!
Torque Converter Clutch Solenoid Replacement Number: TR580 TR690 31825AA050 31825AA051 31825AA052 31706AA030, 31706AA030, 31706AA031, 31706AA032, 31706AA033.
Fit Car Model: For Subaru Crosstrek Forester Legacy Outback Impreza with CVT TR580 TR690 Transmission.
Package Included: 1 x AWD Solenoid as pictures Brown 12.2-13.2Ω
Notice: Please check the part number before purchasing to ensure fitment. Any question, please feel free to cantact us at any time.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TrollingMAN autoparts | 9.12 | ✅ | ✅ | ✅ |
[OEM]: 31825AA050 31825AA051 31825AA052 31706AA030 31706AA031 31706AA032 31706AA033 TR580 TR690
[Compatible]: Compatible with Subaru Crosstrek Forester Legacy Outback Impreza with CVT TR580 / TR690 Trans.
[Premium Quality]: Cheap and cheerful, easy to install with related installation video, durable, engineered from high-quality materials to improve reliability and durability
[Installation]: Searching related installation video on the internet will be recommended and always wear eye protection and start with installation tools
[Note]: Our products are stored in warehouses, and there will be collisions during handling or transportation (most products need to be kept lubricated, it is normal to have lubricants, they are not second-hand products). But please rest assured that it will not affect the use. If you have certain requirements for appearance, please contact us and we can exchange your goods. Thank you for your understanding!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| YIHETOP | 9.48 | ✅ | ✅ | ✅ |
Torque Converter Lock-up solenoid Replaces for Subaru Lineartronic CVT TR580 690
Part Number: 31825AA050, 31825AA051, 31706AA030, 31706AA031, 31706AA032, 31706AA033
Fitment: For Subaru Crosstrek Forester Legacy Outback Impreza CVT TR580 TR690
Package include: 1x Torque Converter Lock-Up Solenoid
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| eGang Auto | 7.58 | ❌ | ❌ | ❌ |
【Use】Direct replacement,For ease of installation.
【Return】Returns accepted. 12-Month warranty.
【Condition】Aftermarket item, 100% New Item, exactly same function as original.
【Delivery】We usually ship within 1 business days after your payment. 8-18 days to reach the USA, Canada, Puerto Rico and Europe.
【Compatible】Before ordering, Please check OEM Part Number and product description. To be sure this part fits your vehicle, input your car information into the Amazon Garage.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WFLNHB | 9.80 | ❌ | ❌ | ❌ |
The Torque Converter Lock-Up Solenoid Valve Part Number are 31825AA050,31825AA051,31825AA052,31706AA030, 31706AA031,31706AA032,31706AA033
Compatible Replacement for Subaru Legacy 2.5L 2010-2017;Replacement for Subaru Outback 2.5L 2010-2017;Replacement for Subaru Impreza 2.0L 2012-2016
The Torque Converter Lock-Up Solenoid Valve Use high quality materials, to ensure parts that have high quality and durability
The Torque Converter Lock-Up Solenoid Valve are Stable characteristics, professional performance
Note: Professional installation is highly recommended
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| wow auto | 6.38 | ✅ | ✅ | ✅ |
OEM:TR580 TR690 31825AA050 31825AA051 31825AA052 31706AA030
Searching related installation video on the internet will be recommended and always wear eye protection and start with installation tools
Compatible with Subaru Crosstrek Forester Legacy Outback Impreza with CVT TR580 / TR690 Transmission
Easy to install with related installation video, durable, engineered from high-quality materials to improve reliability and durability
Our products are stored in warehouses, and there will be collisions during handling or transportation (most products need to be kept lubricated, it is normal to have lubricants, they are not second-hand products). But please rest assured that it will not affect the use. If you have certain requirements for appearance, please contact us and we can exchange your goods. Thank you for your understanding!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Zhejiang Songtian Automotive Motor System CO., LTD | 9.53 | ✅ | ✅ | ✅ |
😊【Ensure Fit】 Please make sure this torque converter lock-up solenoids fits your vehicle before placing an order.
😊【OEM NO.& PART NO】31825AA050 31825AA051 31825AA052 31706AA030,31706AA030, 31706AA031, 31706AA033, 31706AA032.
😊【Fitment】2010-2017 Legacy, 2010-2017 Outback, 2012-2016 Impreza, 2014-2017 Forester with CVT TR580 TR690 Transmission.
😊【Warranty】1 year. If you have any problems, please be free to contact us.
😊【Best Service:】Customers' feeling is always our priority. we will reply within 24 hours if you have any question, pls contact us freely.
Here is the list of top-rated brands that were evaluated by PM.
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| Cac | 2 |
| Dolksn | 1 |
| Edelbrock | 1 |
| Generic | 1 |
| Gm | 1 |
| Jdmon | 1 |
| Ldcre | 1 |
| Linlins | 1 |
| Sontian | 1 |
| Srkj | 1 |
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