OE/Part Numbers : 99660616001, AC407
Compatible Brands: for Hyundai
Compatible Vehicles & Years:
- for Hyundai Accent (1999-2005)
- for Hyundai Elantra (2001-2006)
- for Hyundai Tiburon / Coupe (2000-2006)
-for Lincoln Continental (1995-2002)
-for Hyundai Verna (early 2000s, some markets)
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 99660616001 Idle Air Control Valve is developed for reliable idle speed management in selected Hyundai applications, including Accent, Elantra, and Tiburon models. Built with high-grade internal actuators and carefully calibrated airflow passages, the valve responds quickly to ECU commands, helping the engine maintain smooth idle operation during cold starts and changing load conditions. Our manufacturing process includes CNC machining, coil performance verification, and endurance testing to ensure stable operation throughout its service life. Designed as a direct-fit replacement, this valve offers accurate installation dimensions and dependable performance for aftermarket maintenance and repair needs.
Q1: Which vehicles can use this idle air control valve?
A: It is designed for selected Hyundai Accent, Elantra, and Tiburon applications. Vehicle year and engine type should be verified before ordering.
Q2: What causes idle speed fluctuations?
A: Carbon buildup, electrical failure, vacuum leaks, or a worn IAC valve can all contribute to unstable idle speed.
Q3: Does the valve require calibration after installation?
A: In many cases, the ECU can relearn idle parameters automatically. Following the vehicle manufacturer's idle relearn procedure is recommended.
Q4: How is product quality ensured?
A: Each production lot is subjected to electrical testing, functional verification, and visual inspection prior to packaging.
Q5: Can this valve help resolve stalling at idle?
A: A defective IAC valve is one possible cause of stalling. Replacing a failed unit may restore proper idle control if no other engine issues are present.
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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