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Home / Product / Idle Air Control Valves / AC4019 237810F300 237810F310 237810F320 for Nissan D21 Pickup 2.4L Direct Factory

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AC4019 237810F300 237810F310 237810F320 for Nissan D21 Pickup 2.4L Direct Factory

OE/Part Numbers : AC87 AC4019 237810F300 237810F310 237810F320 237810F321 2378186G00
Compatible Brands: for Nissan
Compatible Vehicles & Years:
- For Nissan D21: 1990-1994, L4 2.4L engine
- For Nissan Pickup: 1995-2004, L4 2.4L engine

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

Service

The AC4019, AC87, 237810F300, 237810F310, and 237810F320 are idle air control valves built for the Nissan D21 Pickup and later Nissan Pickup models with the 2.4L L4 engine, covering 1990 through 2004. This IAC valve handles the bypass air that goes around the throttle plate when your foot is off the gas.

We do not treat quality as a final step. It runs through every stage of production. Each idle air control valve is flow-calibrated on a bench to ensure the bypass air matches the original equipment curve. We also cycle-test these IAC valves at both high and low temperatures to confirm they hold up in real-world conditions—from cold winter starts to hot summer traffic.

Our facility follows documented procedures that meet strict industry standards. We keep records on every batch, so you have traceability behind every unit.

Wenzhou Guocheng Automobile Electrical Parts Co., Ltd.

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.

Certificate of Honor

  • CE

    CE

  • Patent

    Patent

  • ISO/TS 16949:2009

    ISO/TS 16949:2009