Fiat Doblo MK2 2009→ 1.3D 1.6D 5Speed — 5th Gear Synchronizer Inner Hub
Description
Engineered for the Fiat Doblo MK2 2009-on, 1.3D/1.6D five-speed transmission, this 5th-gear synchronizer inner hub features case-hardening alloy steel, broached internal splines, and optimized dog-tooth chamfers. Ground locating faces ensure smooth sleeve engagement, improved shift quality, and reduced wear. Built to OE geometry and tolerances for true drop-in replacement.
Specification
Dog/Spline Form: Dog teeth for sleeve engagement; broached internal spline torque drive
Material: SCM415 / SAE 8620 alloy case-hardening steel (or equivalent)
Heat Treatment: Carburized & quenched
Surface Hardness: HRC 58–62
Manufacturing: CNC turning/milling; broached splines; dog-tooth finishing & deburring; precision-ground bore & faces
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Model:VFB-14