Genuine Toyota Steering Wheel Airbag Spiral Cable Clock Spring Product Specifications Part Number 84307-0K020 (843070K020) Interchange Numbers 84306-0K050, 84306-0K051 Component Type Cable Sub-Assembly, Spiral (Clock Spring) Vehicle Setup Models equipped with Vehicle Stability Control (VSC) / ABS / ESC 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 is engineered specifically for vehicles equipped with factory Vehicle Stability Control (VSC). It contains the distinct plug patterns, mounting clips, and depth required to mate correctly with the vehicle steering angle sensor housing. Non-VSC models use different variations. Application List and Vehicle Compatibility This part fits the following vehicles manufactured between 2004 and 2015 that run factory stability management configurations: Toyota Hilux (7th Generation, N70 Platform) KUN26 / KUN26R - 3.0L D-4D Turbo Diesel (1KDFTV) 4WD models (SR and SR5 variants) GGN25 / GGN25R - 4.0L V6 Petrol (1GRFE) 4WD models (SR and SR5 variants) KUN16 / KUN16R - 3.0L D-4D Turbo Diesel (1KDFTV) 2WD Hi-Rider models GGN15 / GGN15R - 4.0L V6 Petrol (1GRFE) 2WD Hi-Rider models KUN36 / GGN35 - Applicable regional sub-variants with VSC option kits Toyota Fortuner (1st Generation) KUN51 / KUN51R - 3.0L D-4D Turbo Diesel (1KDFTV) Wagon variants with VSC GGN50 / GGN50R - 4.0L V6 Petrol (1GRFE) Wagon variants with VSC Technical and Installation Guidance Steering Angle Sensor Warning: This replacement kit consists of the active clock spring coil and housing enclosure. It does not replace the integrated electronic steering angle sensor module (often stamped 89245-0K010). The original angle sensor must be carefully unclipped from the rear of the old clock spring and transferred to this new unit 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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