Description
Nissan Skyline Bigbox Manual Gearbox – RB25DET ( 32010-AA520 )
Genuine Nissan Skyline RB25DET “Bigbox” 5-speed manual gearbox, OEM part number 32010-AA520. This is the later ER34 Skyline 25GT-T/GT-T RB25DET NEO transmission, widely known as the RB25 Bigbox. Nissan parts references list 32010-AA520 for the R34 25GT Turbo with the RB25DET and a 5-speed manual transmission.
The gearbox is a rear-wheel-drive, 5-speed manual transmission with a pull-type clutch and is a popular replacement or manual-conversion gearbox for RB-powered vehicles.
Specifications
- Make: Nissan
- Application: Skyline
- Chassis: ER34
- Model: Skyline 25GT-T / GT-T
- Engine: RB25DET / RB25DET NEO
- Transmission: 5-speed manual
- Gearbox: RB25DET “Bigbox”
- OEM Part Number: 32010-AA520
- Transmission type: RWD
- Clutch type: Pull-type
- Condition: For Sale
- OEM: Genuine Nissan
- Country of manufacture: Japan
Compatibility
Primarily suited to:
- Nissan Skyline R34 25GT-T / GT-T RB25DET
- RB25DET NEO applications
- RB25DET manual-conversion projects
- Certain R33 RB25DET applications with the required clutch/conversion components.
Important: The 32010-AA520 is a pull-type transmission. Converting it to push-type clutch operation requires the appropriate front cover and clutch components.
What’s Included
The gearbox assembly is supplied as the transmission itself. Depending on the specific unit, gear lever/shift mechanism and transmission crossmember may not be included; confirm the contents before purchase. Nissan Skyline Bigbox Manual Gearbox – RB25DET ( 32010-AA520 )
Ideal For
- RB25DET engine replacements
- Skyline R34 GT-T restorations
- Manual conversions
- Performance and drift builds
- Replacement of worn or damaged RB25 manual transmissions
A sought-after genuine Nissan RB25DET “Bigbox” gearbox — 5-speed manual, pull-type, OEM part number 32010-AA520.
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