The 3-gear transmission case is supplied as a replacement part for the YZ-2CA family. Left and right housings in this listing are manufactured to fit the standard 2WD off-road drivetrain while preserving the original gear layout and mounting positions.
Installation compatibility targets the YZ-2CA gearbox arrangement and the B-YZ2CA chassis variant. This set is intended to replace damaged or worn housings at the chassis level to restore original drivetrain geometry.
During fitting, check gear mesh alignment, confirm proper shaft seating and mounting hardware, and manually rotate the drivetrain to verify smoothness before running the model. Accurate housings help maintain predictable power transfer and drivetrain reliability.
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