益暐工業有限公司 | 益暐工業SUNUPMASTER - 專業汽車、機械齒輪製造商。

Description

Purpose-built synchronizer sleeve/slider for the NV4500 5-speed’s 5th and synchronized Reverse. Precision-finished dog teeth and ground faces provide consistent blocker-ring timing and clean gear engagement during 4–5 upshifts and Reverse selection. OE-matched geometry ensures true drop-in fit, restoring shift quality and overall NVH.

Specification

Tooth Form: Synchronizer dog teeth (non-drive)

Tooth Count: 40T

Material: Alloy case-hardening steel, SCM415 / SAE 8620
Heat Treatment: Carburized & quenched

Surface Hardness: HRC 58–62

Manufacturing: CNC machining; internal spline broaching; dog-tooth finishing & deburring; faces precision-ground