TOYOTA 1st Gear
Description
Direct-replacement 1st-speed gear for Toyota manual transmissions referencing OE 33335-37040. Made from case-hardening alloy steel, carburized & quenched, then precision hobbed with refined dog teeth to deliver quiet meshing, wear resistance and high torque capacity. The bore and locating faces are precision-ground, and all spline/OD tolerances are held to OE spec for true drop-in fit during rebuilds.
Specification
Gear Form: Helical
Material: SCM415 / SAE 8620 alloy case-hardening steel (or equivalent)
Heat Treat: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC turning/milling, precision gear hobbing, dog-tooth finishing & deburring; precision-ground bore and faces
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Model:33335-37040