HYUNDAI/KIA 3515023900 ACTUATOR

Name: HYUNDAI/KIA 3515023900 ACTUATOR
Brand: HYUNDAI/KIA
SKU: 3515023900
Price: 6.66 USD
Availability: InStock

Product Specifications

Product quality

OEM Equivalent Grade

starstarstar

100 sold

Wholesale price USD $6.66

Wholesale price CNY ¥45.6

bolt MOQ (Minimal order)

100 pcs

local_shipping Production time

35-40 days

package_2 Shipping Weight: 0.17 kg

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HYUNDAI/KIA	3515023900
HYUNDAI/KIA	3515023700

Overview & Operating Principle

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The ACTUATOR is an electromechanical or electropneumatic device that converts an electrical control signal from a vehicle control module into precise mechanical movement — linear displacement or rotation — to operate a valve, flap, lever, or locking mechanism within a vehicle system. Actuators are deployed across a wide range of vehicle systems: throttle body actuators position the throttle plate in response to accelerator pedal input; turbocharger wastegate and VGT actuators control turbine geometry to regulate boost pressure; HVAC blend door actuators position air distribution flaps inside the heater box; door lock and window actuators provide electric central locking and window lift; and electric parking brake actuators generate and release caliper clamping force on command. In each application the actuator incorporates a DC motor or stepper motor, a reduction gear train to multiply torque, a position sensor or end-stop circuit to provide feedback to the control module, and a housing designed for the thermal and vibration environment of its installation location.

This unit — HYUNDAI/KIA 3515023900 — is manufactured to OEM-equivalent specifications: motor voltage, gear reduction ratio and output torque, angular or linear travel range, position sensor output type and signal range, connector pinout, and housing mounting geometry are matched to the original part. Supplied as a direct plug-and-play replacement for standard fitment. Available wholesale from 6.66 USD, MOQ 100 pcs, production lead time 35-40 days.

Actuators fail through DC motor brush wear after high cycle counts, gear train stripping under overload conditions when the driven mechanism is seized or obstructed, position sensor potentiometer wear producing erratic position feedback, and housing seal failure allowing moisture ingress that corrodes the motor windings and gear train. Before replacing an actuator, always verify the mechanism it drives moves freely by disconnecting the actuator and operating the mechanism manually — a seized blend door, throttle plate, or locking mechanism will destroy a new actuator within a short period if the underlying mechanical binding is not resolved first.

Symptoms & Diagnostics

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Control module fault code indicating actuator circuit open, short to ground, or short to voltage — confirm supply voltage and ground at the actuator connector with a multimeter before replacing the unit; an open circuit fault may be caused by a broken wire or corroded connector rather than actuator internal failure.

Actuator fault code indicating position target not reached or position sensor out of range — the actuator motor is running but the gear train is stripped or the mechanism is mechanically obstructed; disconnect the actuator and verify the driven mechanism moves freely through its full travel before fitting the replacement.

Grinding or clicking noise from the actuator location during operation — the gear train has stripped under overload, producing noise as the motor continues to run against the damaged gears; the noise is typically intermittent initially and becomes continuous as more teeth are shed.

System function that works correctly in one direction but not the other — one motor winding or one set of gear teeth has failed; the actuator can still drive in the working direction but cannot reverse, causing the controlled mechanism to reach one end of its travel and stay there.

Erratic, hunting, or oscillating system behaviour — the position sensor potentiometer has developed a dead spot or resistive track wear, producing fluctuating position feedback that causes the control module to continuously correct and overcorrect the actuator position.

System inoperative immediately after a flooding or high-pressure wash event — water ingress through a damaged housing seal has short-circuited the motor windings or corroded the position sensor contacts; the fault is often accompanied by a burning smell from the actuator location as the motor winding insulation fails under the short circuit current.

Logistics & Customs

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International HS Code

8501.10

EAEU Customs Code (TN VED)

8501 10 910 0

Typical Net Weight

0.17 kg

Country of Manufacture

China

Standard MOQ

100 pcs

Production Lead Time

35-40 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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Read and record all stored fault codes with an OBD-II scanner before disconnecting the battery or actuator connector — fault codes stored in the control module identify the actuator position and failure mode and are essential for confirming the correct replacement unit. Some codes are erased when power is removed; recording them before work begins preserves the diagnostic information.
Verify supply voltage and ground at the actuator connector before removal — connect a multimeter between the supply and ground pins with the ignition on and the system commanded to operate; correct voltage with no movement confirms internal actuator failure. No voltage or no ground indicates a wiring fault that will not be resolved by replacing the actuator.
Disconnect the driven mechanism from the actuator output shaft or linkage arm before unbolting the actuator where accessible — this allows the mechanism to be moved manually to confirm it is free of binding before the new actuator is installed. A mechanism that requires significant force to move manually will overload the new actuator immediately on operation.
Note the actuator output shaft position relative to the mechanism before removal — photograph the linkage geometry and any position reference marks. Many actuators must be installed with the output shaft at a specific position relative to the mechanism to allow the control module's position relearn procedure to complete within the available travel range.
Mount the new actuator and connect the linkage at the position noted during removal. Hand-tighten all mounting fasteners before final torquing to allow minor positional adjustment if required by the relearn procedure.
Install the new ACTUATOR (HYUNDAI/KIA 3515023900), reconnect the electrical connector, reconnect the battery, perform any required control module adaptation or position relearn procedure via scan tool, and verify correct system operation across the full range of the controlled mechanism before clearing fault codes and returning the vehicle to service.

Tools: OBD-II scanner with live data and adaptation function, multimeter, torque wrench, camera for pre-removal reference photographs.

Frequently Asked Questions

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Is a control module adaptation or position relearn required after replacing an actuator?

Most actuator replacements require a position relearn or adaptation procedure to be performed via scan tool before the system operates correctly. The control module stores the actuator's travel limits and mid-point reference during an initial calibration run — without relearning, the module commands positions based on the old actuator's stored values, which may not match the new unit's output range. The relearn procedure varies by system: throttle body actuators typically self-learn on the first ignition cycle; HVAC blend door actuators require a specific initialisation sequence; electric parking brake actuators require a dedicated EPB service mode on a scan tool. Always check vehicle-specific adaptation requirements before returning the vehicle to service. ok.parts supplies actuator assemblies at wholesale MOQ from 6.66 USD per unit.

How can the actuator be confirmed as the failed component rather than the control module or wiring?

The definitive test sequence is: first, verify correct supply voltage and ground at the actuator connector with a multimeter while the system is commanded to operate; second, check signal wire continuity from the connector back to the control module; third, if voltage and continuity are confirmed, apply direct battery voltage to the motor terminals (observing polarity) to verify the motor and gear train operate independently of the vehicle wiring. A motor that runs correctly under direct power but not under module command points to a module output driver fault. A motor that does not run under direct power confirms internal actuator failure.

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

Part	Reason for Combined Replacement
Position Sensor / Feedback Sensor Application-specific — may be integral or separate	On systems where the position sensor is a separate component from the actuator body, sensor wear that caused erratic position feedback may have repeatedly overdriven the actuator against its mechanical stops, accelerating gear train and motor wear. Replacing the sensor and actuator simultaneously eliminates both failure modes and restores correct closed-loop position control.
Wiring Harness Connector and Repair Kit Application-specific pin and connector kit	Actuator connector pins corrode from moisture exposure, particularly on actuators in underbonnet, door, and underfloor locations. A corroded connector produces intermittent actuator faults that are indistinguishable from actuator internal failure without voltage testing. Replacing the connector alongside the actuator during the same repair prevents the same fault code from recurring on the new unit due to marginal pin contact.
Driven Mechanism Component Throttle body, blend door, wastegate — application-specific	An actuator that has failed due to overload from a seized mechanism will return as a fault if the underlying mechanical binding is not resolved. Inspect and service the driven component — clean and lubricate throttle bores, replace seized blend door pivots, free stuck wastegate linkages — before fitting the new actuator to ensure it operates within its rated torque range from the first activation.