MAZDA BT50 5TH GEAR 52*33T (S501-17-611C)
Description
Dedicated 5th-gear (overdrive) for the Mazda BT-50 manual transmission. Precision-hobbed helical teeth with edge relief plus ground bore and faces ensure quiet, rigid mesh and efficient torque transfer during 4→5 / 5→4 shifts and highway cruising. Built to OE geometry and tolerances for a true drop-in during rebuilds; best results when serviced with the 5/R synchronizer set and fresh bearings.
Specification
Tooth Form: Helical
Clutching Teeth / ID Spline: 52T / 33T
Material: Alloy case-hardening steel SCM415 / SAE 8620 (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC turning/milling; precision hobbing; dog-tooth finishing & deburring; bore & locating faces precision-ground
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Model:S501-17-611C、 PMB-001 ( TKK-179速)、 BT50-2