OE/Part Numbers : 2227046050 22270-46050 AC425 2H1147
Compatible Brands: for Lexus, Toyota
Compatible Vehicles & Years:
for Lexus GS 300 3.0L L6 (1993)
for Lexus SC 300 3.0L L6 (1993)
for Toyota Supra 3.0L L6 (1992, 1994, 1995)
Key Functions: This idle stepper motor regulates engine idle speed, ensuring stable performance, smooth cold starts, and preventing stalling under varying loads.
Features & Advantages:
1. Direct OEM Fit & Function.
2. High-Quality Components for Reliability.
3. Rigorous Quality Control.
More Details
Key Features
Applications
FAQ
Service
Product Overview
The Idle Stepper Motor Idle Air Control Motor is designed to regulate the amount of bypass air entering the engine during idle operation. This component helps maintain stable engine speed under different driving conditions, especially during cold starts, engine warm-up, and electrical load changes. The part number 2227046050 / 22270-46050 is commonly associated with idle air control applications for Lexus GS 300, SC 300, and Toyota Supra 3.0L L6 models.
Product Features
Stable Idle Air Adjustment
The idle air control motor adjusts airflow around the throttle body to support smoother engine idling. It helps reduce unstable RPM conditions caused by insufficient or excessive air supply during idle operation.
Durable Motor Construction
Built with reliable internal components and a protective housing design, this idle control motor is developed for consistent operation under engine heat, vibration, and long-term driving conditions.
Direct Replacement Design
Designed to match the original mounting position and electrical connection, this replacement motor helps simplify installation without requiring major modifications.
Improved Driving Response
A properly working idle air control motor can help improve startup performance, reduce idle fluctuations, and maintain smoother engine operation during stops or low-speed driving.
Common Replacement Symptoms
A damaged or worn idle air control motor may cause:
Unstable engine idle speed
Engine stalling after startup
High or low idle RPM
Poor idle response after electrical load changes
Difficulty maintaining smooth operation at low speeds
Compatible Vehicles
This idle air control motor is suitable for:
Lexus GS 300
Lexus SC 300
Toyota Supra 3.0L L6
Please confirm the OE number and vehicle specifications before purchase to ensure compatibility.
Installation Notes
Before installation, check the throttle body condition, wiring connection, and air passages. Cleaning carbon deposits around the idle air passage may help the new idle control motor operate more effectively. After replacement, some vehicles may require an idle relearn procedure according to manufacturer service instructions.
| Model | Brand | Year | Engine |
| LEXUS | GS | 1993.01-1997.08 | 300 (156KW,212PS) |
1. How can I confirm this part fits my vehicle?
Check the original part number, engine model, vehicle year, and connector design before ordering. Matching the OE number is recommended for accurate fitment.
2. What vehicles use 22270-46050 idle air control motor?
This part is commonly used for Lexus GS 300, Lexus SC 300, and Toyota Supra 3.0L L6 applications.
3. Is 2227046050 the same as 22270-46050?
Yes. 2227046050 and 22270-46050 refer to the same OE part number format.
4. What are the signs of a failing idle stepper motor?
Common signs include fluctuating idle speed, engine hesitation at idle, unexpected stalling, or unstable RPM after startup.
5. Does this product require modification during installation?
The motor is designed as a replacement component. In most cases, it can be installed using the original mounting location and connector.
| Packaging and delivery | |
| Selling Units | Single item |
| Single package size | 20X20X20 cm |
| Single gross weight | 2.000 kg |
| Lead time | |
| Quantity (units) | Lead time (days) |
| 1 - 1,000 | 31 |
| > 1,000 | To be negotiated |
| Customization options | |
| Bag Design | 10,000 units |
| Laser Printing | 10,000 units |
| Carton Design | 10,000 units |
Wenzhou Guocheng Automobile Electrical Parts Co., Ltd.
Wenzhou Guocheng Automobile Electrical Parts Co., Ltd. is located in Wenzhou, Zhejiang Province, known as China's capital of auto parts. Established in 1997, the company covers a land area of 3,000 square meters with a built-up area of 10,000 square meters. It is a privately-owned enterprise integrating product development, production, and sales.
Our core products include idle speed motors, idle control valves, throttle position sensors, and other sensor series primarily used in automotive and construction machinery engines. To ensure superior quality, key components such as sensor brushes are imported from Japan and Germany, while films are custom-produced by top-tier domestic and international suppliers. Our products are already supplied to first-tier brands both in China and abroad, and our annual production and sales volume holds a significant position in the OEM market.
To meet production demands and customer requirements, we have continuously invested in advanced production, testing, and experimental equipment from both domestic and international sources. This has significantly enhanced our production inspection and testing capabilities, ensuring consistent and reliable product quality. Currently, we have over 80 employees, including 6 experienced technical engineers and 8 professional technical and inspection personnel, providing strong support for product development and quality control.
Since its inception, the company has adhered to the quality policy of "Continuous Learning, Technological Innovation, Pursuit of Excellence, and Customer Satisfaction." We uphold a "people-oriented" talent philosophy and emphasize a customer-centric approach in quality management, focusing on process control, prevention, continuous improvement, and customer satisfaction. Since 2007, the company has been certified with ISO 9001:2000 and ISO/TS 16949:2009 international quality management system standards.
Over the years, through relentless efforts, innovation, and improvement, Guosheng has earned consistent praise from both new and existing customers for its exceptional product quality, comprehensive service, and competitive pricing. To achieve greater development, our team remains committed to striving harder, learning humbly, and making continuous progress. We constantly summarize experiences and enhance product quality while working with passion and sincerity to collaborate with partners worldwide for mutual success. We sincerely welcome your valuable feedback and visits for guidance.
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