Genuine Toyota Steering Wheel Airbag Spiral Cable Clock Spring Product Specifications Part Number 84307-47020 (8430747020) Interchange Numbers 84307-47021, 84307-60070, NCS101 Component Type Cable Sub-Assembly, Spiral (Clock Spring) Vehicle Setup Models equipped with Steering Audio, Cruise Control, and Airbag Systems Condition Brand New Original Equipment Manufacturer (OEM) Replacement Product Overview The steering wheel spiral cable clock spring maintains continuous electrical connections between the moving steering wheel controls and the static electrical loom of the vehicle chassis. This component ensures the uninterrupted functionality of critical safety and convenience systems, including the driver side airbag deployment module, horn assembly, cruise control operations, radio audio adjusters, and hands-free telephone systems. A failing clock spring must be replaced promptly. Common symptoms of a damaged internal ribbon wire include a lit SRS airbag warning dash indicator, intermittent or completely non-functional horn mechanisms, or unresponsive steering wheel audio toggles. Critical Fitment Requirement: This part number features specific pin configurations and plug positions engineered for the platforms listed below. To prevent dashboard fault codes, verify that your factory module matches this code before installing. Application List and Vehicle Compatibility This component is widely used across specific generation spans for the following Toyota vehicle lines: Toyota Land Cruiser Prado (150 Series) KDJ150 / KDJ150R - 3.0L Turbo Diesel models built between 2009 and 2015 GDJ150 / GDJ150R - 2.8L Turbo Diesel models built between 2015 and 2017 GRJ150 / GRJ150R - 4.0L V6 Petrol models built between 2009 and 2017 Toyota Prius (ZVW30 Generation) ZVW30 / ZVW30R - 1.8L Hybrid Liftback models built between 2009 and 2015 Toyota Prius C (NHP10 Generation) NHP10 / NHP10R - 1.5L Hybrid Hatchback models built between 2012 and 2017 Toyota Yaris (NCP130 Generation) NCP130 / NCP131 - Hatchback variants built between 2011 and 2017 with matching steering control specs Technical and Installation Guidance Steering Angle Sensor Warning: Depending on the supplier kit variation, your original electronic steering angle sensor module (often stamped with reference 89245-74010) may need to be safely unclipped from the rear plastic frame of the old unit and transferred directly onto this new clock spring during replacement. Safety Precautions: Because this install requires extracting the driver side steering wheel airbag explosive inflator, the vehicle battery must be completely disconnected for a minimum of 15 minutes before assembly begins to exhaust residual electrical capacitor energy. Centering Instruction: Ensure the wheels are tracking completely straight and the new clock spring unit remains locked in its centered index position until fully installed on the steering column splines to avoid tearing the inner ribbon wire upon initial turning.
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