JDM 2008-2009 Subaru Legacy Spec B TY856WEBAA 6-Speed Manual Transmission & 3.90 R180 Rear Differential – 10K Miles – 90-Day Warranty
This Japanese Domestic Market (JDM) Subaru Legacy Spec B 6-Speed Manual Transmission and R180 Rear Differential Package is a premium OEM drivetrain assembly compatible with 2008 and 2009 Subaru Legacy Spec B models. Imported directly from Japan, this highly sought-after performance drivetrain includes the TY856WEBAA 6-speed manual transmission and matching 3.90 ratio R180 rear differential, providing exceptional durability, precise shifting, and superior AWD performance.
With approximately 10,000 miles, this low-mileage JDM drivetrain package is an excellent solution for replacing a damaged transmission or upgrading your Subaru with a factory performance transmission setup. Designed to handle higher power levels than standard Subaru gearboxes, the Spec B transmission is renowned for its strength, reliability, and driving experience.
Each assembly is carefully inspected and tested before shipment and is backed by a 90-day warranty.
Specifications
Transmission Specifications
- Transmission Model: TY856WEBAA
- Transmission Type: Manual Transmission
- Speed Configuration: 6-Speed Manual
- Drivetrain: AWD (All-Wheel Drive)
- Market Type: Japanese Domestic Market (JDM)
- Mileage: Approximately 10,000 Miles
- Condition: Used OEM Import
- Warranty: 90 Days
Rear Differential Specifications
- Differential Type: R180 Rear Differential
- Final Drive Ratio: 3.90
- OEM Subaru Performance Component
- AWD Compatible
- Matching Drivetrain Assembly
Compatibility
Compatible with:
- 2008 Subaru Legacy Spec B 2.5GT AWD
- 2009 Subaru Legacy Spec B 2.5GT AWD
May also be suitable for certain Subaru performance conversions and drivetrain swaps. Please verify compatibility before purchase.
Features & Benefits
Genuine JDM Spec B Drivetrain
Imported directly from Japan and built to Subaru’s high-performance OEM standards.
Complete Performance Package
Includes the TY856WEBAA 6-speed manual transmission and matching 3.90 R180 rear differential.
Ultra Low Mileage
Approximately 10K miles for exceptional reliability and extended service life.
High-Strength 6-Speed Gearbox
Known for durability and improved power-handling capability compared to standard WRX transmissions.
Precise Performance Shifting
Provides smooth gear engagement and an engaging driving experience.
Warranty Included
Backed by a 90-day warranty for added confidence.
Shipping Information
- Professionally Crated
- Secure Packaging
- Ready for Immediate Shipment
- Nationwide and International Shipping Available

















Nicole Graham (verified owner) –
Joshua Jackson (verified owner) –
Peter Rogers (verified owner) –
The product was exactly as described, easy to install, and has been performing perfectly. I highly recommend this store.
Ethan Howard (verified owner) –
Peter Rogers (verified owner) –
Professional service, excellent communication, and premium-quality products. It’s obvious that customer satisfaction is a priority for this company.
Jason Clark (verified owner) –
Everything arrived exactly on time and in perfect condition. The quality is exceptional, and installation was quick and easy.