Toyota 3–4 Synchronizer Sleeve 33363-37020

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Toyota 3–4 Synchronizer Sleeve

Description

Synchronizer sleeve for 3rd–4th gear. Works with the matching hub and baulk rings to lock the gear and transmit torque. Carburized alloy steel provides a hard, wear-resistant dog profile with a tough core for durability in commercial use. Broached internal spline and ground faces deliver OE-level fit, smooth shifts, and reduced gear clash. Direct replacement for OE 33363-37020.

Specification

Material: SCM415 / SAE 8620 alloy steel (or equivalent)

Heat Treatment: Carburized & quenched, tempered

Hardness: HRC 58–62 on dogs; tough core retained

Manufacturing: CNC turning/milling, broached spline, deburred dog teeth; ground locating faces