Catalog

TOYOTA/LEXUS 8430635011 CABLE SPIRAL

TOYOTA/LEXUS 8430635011 CABLE SPIRAL

Product Specifications

Product quality
OEM Equivalent Grade
starstarstar
Wholesale price USD $4.43
Wholesale price CNY ¥30
bolt MOQ (Minimal order)
25 pcs
local_shipping Production time
20-45 days
package_2 Shipping Weight: —
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TOYOTA/LEXUS 8430635011
TOYOTA/LEXUS 8430612070
TOYOTA/LEXUS 8430630120
TOYOTA/LEXUS 8430660050
TOYOTA/LEXUS 8430607030
TOYOTA/LEXUS 8430608030
TOYOTA/LEXUS 843060C010
TOYOTA/LEXUS 843060C021
TOYOTA/LEXUS 8430612080
TOYOTA/LEXUS 8430620050
TOYOTA/LEXUS 8430626060
TOYOTA/LEXUS 8430626070
TOYOTA/LEXUS 8430630110
TOYOTA/LEXUS 8430630150
TOYOTA/LEXUS 8430641020
TOYOTA/LEXUS 843070C030
TOYOTA/LEXUS 8430635010
TOYOTA/LEXUS 8430608010
TOYOTA/LEXUS 8430620090
TOYOTA/LEXUS 8430612170
Overview & Operating Principle
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The CABLE SPIRAL — also known as the clockspring, spiral cable, or SRS contact reel — is a rotary electrical connector mounted on the steering column between the fixed column housing and the rotating steering wheel that maintains continuous low-resistance electrical circuits between the stationary vehicle wiring harness and the rotating steering wheel components through the full lock-to-lock steering travel. The device consists of a flat ribbon cable — typically 4–12 conductors depending on the vehicle's equipment level — wound in a spiral configuration inside a circular plastic housing; as the steering wheel rotates, the ribbon cable winds or unwinds within the housing without interrupting continuity, providing the necessary slack for full steering travel in both directions. The circuits routed through the clockspring are safety-critical and functionally diverse: the driver airbag squib circuit carries the firing pulse that deploys the airbag in a collision; the horn circuit provides the direct ground or supply for the horn; and additional circuits service the steering wheel cruise control buttons, audio controls, phone controls, lane keep assist switches, and on modern vehicles, the adaptive steering torque sensor. The clockspring is designed for a defined number of steering rotations — typically ±2.5 to ±3.0 turns from centre — and is damaged if rotated beyond this limit when the steering shaft is disconnected from the steering wheel.

This unit — TOYOTA/LEXUS 8430635011 — is manufactured to OEM-equivalent specifications: ribbon cable conductor count and cross-section, housing outer and inner diameter for column fit, centre rotor spline or tab engagement geometry, connector pinout at both the column and steering wheel interfaces, circuit resistance per conductor, and SRS circuit insulation resistance are matched to the original part. Supplied with the rotor locked in the centred position for installation. Available wholesale from 4.43 USD, MOQ 25 pcs, production lead time 20-45 days.

Clocksprings fail through ribbon cable fatigue fracture at the innermost or outermost winding point where flexing stress concentrates after high-mileage cumulative steering cycles, connector pin corrosion from moisture ingress, and physical damage from steering column work performed without locking the clockspring rotor in its centred position before disconnecting the steering wheel — a clockspring rotated beyond its travel limit in either direction tears the ribbon cable immediately and irreparably. An airbag warning light that appears after steering column service is the most common presentation of clockspring damage caused during a previous repair.

Symptoms & Diagnostics
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Airbag warning light permanently illuminated with SRS fault code indicating driver airbag squib circuit open — the ribbon cable conductor carrying the airbag firing circuit has fractured; the SRS module detects infinite resistance in the squib loop and stores a fault code identifying the driver airbag circuit as open; this fault means the driver airbag will not deploy in a collision.
Horn inoperative despite correct fuse and relay condition — the horn circuit ribbon conductor has fractured; confirm by jumping the horn terminals at the steering wheel connector with the airbag removed and power applied — if the horn sounds, the fault is isolated to the clockspring horn conductor.
Steering wheel controls — audio, cruise, phone, or lane keep switches — inoperative on all or specific functions — one or more ribbon cable conductors serving the steering wheel switch pack have fractured; the fault typically appears first at one specific switch group rather than all functions simultaneously, as conductor fatigue develops progressively.
Airbag warning light that appears intermittently during steering manoeuvres and clears at straight-ahead position — a ribbon cable conductor with an intermittent fatigue crack that opens and closes as the cable flexes during steering; the fault appears at a specific steering angle where the crack is at maximum flex stress and clears when the wheel returns to centre.
SRS fault codes that appear immediately after steering column service, airbag replacement, or steering wheel removal — the clockspring rotor was rotated beyond its travel limit when the steering wheel was disconnected without centring and locking the rotor; the ribbon cable has been torn at its winding limit; the clockspring must be replaced and cannot be repaired.
Crackling or intermittent horn operation when the steering wheel is at full lock but not at straight-ahead — the ribbon cable is intact but a connector pin at the column or steering wheel interface has corroded, producing high resistance at the extreme winding positions where the connector is under the most mechanical stress.
Logistics & Customs
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International HS Code
8544.42
EAEU Customs Code (TN VED)
8544 42 900 0
Typical Net Weight
Country of Manufacture
China
Standard MOQ
25 pcs
Production Lead Time
20-45 days
Always verify the exact 8-digit or 10-digit subheading with your customs broker for the destination country, as tariff schedules and duty rates vary by jurisdiction.
Installation Tips
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  1. Disconnect the negative battery terminal and wait a minimum of 10 minutes before touching any SRS component — the SRS module maintains a capacitor charge that can deploy the airbag for up to 10 minutes after battery disconnection; deploying the airbag during steering wheel removal causes serious facial injuries and destroys the airbag module, steering wheel, and instrument cluster simultaneously; never abbreviate the discharge wait time.
  2. Centre the steering wheel precisely at the straight-ahead position before removing it — confirm by driving slowly forward on a straight road and noting the wheel position when the vehicle tracks straight; mark the wheel centre position on the column shroud with a paint pen before removing the wheel; the clockspring must be installed with its rotor centred to the column in this exact position.
  3. Do not rotate the clockspring rotor after removing the steering wheel — the new clockspring is supplied with the rotor locked at its centre position by a plastic retaining tab or tie wrap; this locking device must not be removed until after the clockspring is mounted on the column and the steering wheel has been refitted; rotating the rotor before installation tears the ribbon cable and destroys the new unit before it is ever used.
  4. Align the clockspring centre marker with the column centre index mark before pressing the housing onto the column — most clocksprings have a centre arrow or index mark on the rotor face and a corresponding mark on the housing; these marks must be aligned to confirm the rotor is at the mechanical centre of its travel before the steering wheel is fitted; a clockspring installed off-centre will reach its travel limit before the steering reaches full lock in one direction.
  5. Torque the steering wheel centre bolt to OEM specification using a torque wrench — the steering wheel centre bolt is a stretch bolt on many applications that must be replaced rather than reused; an undertorqued wheel can work loose on the column spline under steering loads, shifting the wheel's angular position and stressing the clockspring connectors; an overtorqued bolt strips the column spline threads.
  6. Install the new CABLE SPIRAL (TOYOTA/LEXUS 8430635011), remove the rotor locking tab only after the steering wheel is fitted and the column bolt is torqued, reconnect all steering wheel connectors, reconnect the battery, use an SRS scan tool to clear stored fault codes, and perform a full SRS system check confirming the driver airbag circuit resistance is within the specification window — typically 2–4 ohms — before returning the vehicle to service.
Tools: SRS-capable OBD-II scanner, torque wrench, steering wheel puller, paint pen for centre position marking, new steering wheel centre bolt if stretch-bolt type, minimum 10-minute battery disconnect timer.
Frequently Asked Questions
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Is SRS system scanning and fault code clearing mandatory after clockspring replacement, and what does it confirm?
SRS scanning is mandatory without exception after any clockspring replacement. The SRS module continuously monitors the driver airbag squib circuit resistance — a serviceable clockspring and correctly connected airbag produces a resistance of 2–4 ohms in the squib loop; an open circuit (infinite resistance from a broken ribbon conductor) or a short circuit (near-zero resistance from a wiring fault) both trigger the airbag warning light and store a fault code. After replacement, an SRS scan tool must confirm the squib circuit resistance is within the nominal window and that no fault codes remain before the vehicle is returned — an airbag warning light that is not investigated and cleared after clockspring replacement may indicate the new unit is faulty or was installed incorrectly, leaving the driver without airbag protection. ok.parts supplies clocksprings at wholesale MOQ from 4.43 USD per unit.
Does the steering angle sensor require recalibration after clockspring replacement?
Yes, on all vehicles where the steering angle sensor is integrated into the clockspring housing or mounted on the steering column immediately behind it. The steering angle sensor stores a zero reference that corresponds to the straight-ahead wheel position — if the clockspring is replaced and the steering wheel is refitted at a slightly different angular position relative to the previous installation, the stored zero reference no longer corresponds to actual straight-ahead and the ESC, lane keep assist, and parking assist systems will all operate incorrectly. Perform a steering angle sensor calibration via scan tool on a flat level surface with the wheels in the straight-ahead position after every clockspring and steering wheel replacement.
How does the OEM-equivalent aftermarket unit compare to the genuine OEM part?
OEM-equivalent units in this catalogue replicate the current OEM design geometry and material specification. Quality is verified against OEM cross-reference data. When ordering in bulk, confirm with our team that the specification matches the latest OEM revision for your application.
Is white-label or custom packaging available for wholesale orders?
Yes. ok.parts works directly with the manufacturing facility and can accommodate neutral white-label packaging or fully branded packaging with your company logo, part numbers, and barcode. Minimum order quantities and lead times for custom packaging may differ from standard stock. Contact the team via the inquiry form to discuss your specific requirements.
Frequently Replaced Together
PartReason for Combined Replacement
Driver Airbag Module
OEM ref. varies by steering wheel		The driver airbag and clockspring are typically replaced simultaneously after a collision deployment event — the airbag has been consumed and the clockspring may have been damaged by the deployment current pulse or the physical forces transmitted through the steering wheel during impact. Even when the clockspring is being replaced for a non-deployment fault, inspect the airbag module connector for pin damage or heat marking that indicates a previous deployment stress event.
Steering Angle Sensor
Integral or column-mounted, OEM ref. varies		On vehicles where the steering angle sensor is a separate component mounted on the column below the clockspring, both components are accessed during the same column disassembly and share the same labour. A steering angle sensor with erratic output — causing ESC or lane keep fault codes alongside the SRS fault — should be replaced simultaneously with the clockspring to complete the full steering column electrical system service in a single disassembly.
Steering Column Switch Assembly
Wiper / indicator stalk combination		The steering column switch assembly is physically adjacent to the clockspring and is fully accessible during clockspring replacement. On high-mileage vehicles where the clockspring has failed due to ribbon cable fatigue, the column switch contacts — which experience the same number of steering cycles — are frequently worn, producing intermittent wiper or indicator function. Replacing both during the same column access eliminates a repeat disassembly within a short interval.