OE/Part Numbers : 136800-0541, 136800-0521, 1368000541, 1368000521
Compatible Brands: for Toyota
Compatible Vehicles & Years:- for Toyota Corolla / for Toyota Camry / For Toyota 4Runner / For Toyota Pickup
Type: Stepper Motor Idle Air Control Valve
Key Functions: This idle air control valve regulates the engine's idle speed by controlling the amount of air bypassing the throttle body.
Features & Advantages:1.Direct OEM Fit & Function. 2 .High-Quality Components for Reliability. 3.Rigorous Quality Control.
More Details
Key Features
FAQ
The Idle Air Control Valve is made for Toyota Corolla and Camry engines. It works with the numbers 136800-0541 and 136800-0521. This valve helps the engine run smoothly when it is cold or when the air conditioner is on. It makes sure the engine does not run fast or too slow.
The Idle Air Control Valve is made carefully. It has a house and parts that can handle high temperatures. This means it will always work well with the signal from the engine computer.
Before the Idle Air Control Valve is sold it is tested. The tests check for air leaks problems with the coil and that it is working correctly. This means the Idle Air Control Valve will work like the one that came with the Toyota Corolla and Camry.
Q1: What symptoms indicate a failing IAC valve?
Common signs include unstable idle RPM, engine stalling when stopping, or fluctuating idle when A/C or electrical loads are activated. In some cases, cold start hesitation may appear.
Q2: Is this part fully compatible with Toyota Corolla and Camry engines?
Yes, it is designed according to OE specifications for listed part numbers and fits corresponding Toyota 1.6L–2.4L engine variants depending on model year.
Q3: Can a dirty throttle body affect this valve’s performance?
Yes. Carbon buildup in the throttle body or bypass passage can restrict airflow and mimic IAC failure symptoms.
Q4: Does installation require ECU programming?
No programming is required. However, ECU idle relearn may be needed after installation for optimal performance.
Q5: What is the expected service life?
Under normal conditions, the valve typically lasts several years, depending on fuel quality and maintenance habits.
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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