Lamborghini Huracan STO Steering Wheel Alcantara 4T0419091
4T0419091 series for the Lamborghini Huracán STO (Super Trofeo Omologata) represents a specialized evolution of the Huracán steering interface. While it shares a part number root with the Performante and EVO, the STO variant is uniquely configured for the STO’s fixed-ratio steering rack and its three specific driving modes: STO, Trofeo, and Pioggia.
Technical Specifications
| Feature | Details |
| OEM Base Part Number | 4T0419091 |
| STO Specific Suffixes | -YE (Yellow Top/Stitching), -BX (Gray Top), -BE (Updated EVO/STO) |
| Material | Lightweight Technical Alcantara (Nero Cosmus) |
| Diameter | $358 \text{ mm}$ ($14.1 \text{ inches}$) |
| Architecture | Flat-bottom with ultra-direct fixed-ratio hub |
| Trim Finish | Typically Piano Black or MSO Carbon Fiber |
Product Highlights
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STO-Exclusive ANIMA Switch: The red rocker switch at the base is calibrated for the STO’s unique LDVI (Lamborghini Integrated Vehicle Dynamics) subsystems, managing the track-focused Trofeo and wet-weather Pioggia modes.
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Weight Reduction: To match the STO’s lightweight mission (75% of the car is carbon fiber), the wheel core and paddle interfaces are optimized for minimal mass.
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Aggressive Ergonomics: Features deeper thumb rests and a more pronounced grip thickness than standard Huracán wheels, designed to be used with or without racing gloves.
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“Bang Ring” 12 O’Clock Marker: Essential for track orientation, the STO wheel usually features a high-contrast center stripe in colors like Arancio California (Orange) or Giallo Belenus (Yellow).
Compatibility & Variants
The suffix following 4T0419091 is critical for matching your specific interior configuration:
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4T0-419-091-YE: Finished in black Alcantara with a Yellow top marker and Yellow stitching.
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4T0-419-091-BX: Finished in black Alcantara with a Gray top marker and Gray stitching.
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4T0419091AS: A variant often listed for 2020–2025 EVO and STO models, sometimes used for custom leather/Alcantara blends.
Installation Notes
Modular Transfer: Most genuine Lamborghini steering wheels are sold as the rim and frame only. You must transfer your existing airbag module, multi-function buttons, and column-mounted paddle shifters to the new unit. If your car has the optional Heated Steering function, ensure the new rim is pre-wired for heating, as standard STO wheels often delete this to save weight.
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