2008 2009 2010 2011 2012 2013 2014 Subaru WRX 5 Speed Manual AWD Transmission JDM TY758 4.44

What you are buying
Upgrade your drivetrain with this premium JDM 2008-2014 Subaru WRX TY758 5-Speed Manual AWD Transmission. Featuring a highly desirable 4.44 final drive ratio, this JDM-spec gearbox offers significantly improved acceleration and gear-clutch response compared to the longer-geared USDM models. Sourced from low-mileage Japanese domestic market donor vehicles, this TY758 series transmission is the ultimate replacement for worn domestic units or a performance-focused upgrade for any “Narrowbody” or “Widebody” GR/GE chassis. With verified gear synchronization and smooth shifting performance, this authentic JDM component delivers the tighter gear spacing enthusiast builders demand for street and spirited driving.
Vehicle Specifications
Year Range: 2008, 2009, 2010, 2011, 2012, 2013, 2014
Make & Model: Subaru WRX (GR/GE Chassis)
Transmission Code: TY758 (JDM 5-Speed Manual)
Final Drive Ratio: 4.44 (Performance-oriented close-ratio gearing)
Drivetrain Layout: Continuous All-Wheel Drive (AWD)
Compatibility: EJ255 / EJ257 Series Engines
Origin: Japan (Genuine OEM Japanese Domestic Market Import)
Condition: Premium Used Performance Unit (Hand-selected, gear-sync verified, no grinding, tested for smooth engagement)
Vehicle Fitments
Direct US-Spec Replacement: 2008-2014 Subaru WRX (Manual Transmission models).
Fitment Note: While this transmission is a direct bolt-in for the GR/GE chassis, the 4.44 final drive ratio requires the use of a matching 4.44 rear differential to ensure proper AWD speed synchronization and prevent central differential binding/failure. If your vehicle currently has a 3.90 or 4.11 rear end, you must swap your rear differential to a 4.44 unit.
Included Parts
Transmission Assembly: Complete TY758 5-speed manual gearbox
Bellhousing: Factory housing with integrated slave cylinder mount
Sensors: Neutral position safety switch and reverse light switch sensor
Linkage: External shifter linkage arm and selector housing