Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4
Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 is a new replacement part that regulates engine idle speed, priced at $37.62. Ideal for restoring smooth idle and preventing stalling in Nissan D21 trucks with 2.4L I4 engines.
● In stock
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Key features
- OEM-compatible design for D21 2.4L I4
- Direct replacement; no programming needed
- Resists carbon buildup and electrical failure
- Maintains stable engine idle RPM
- Supports factory vacuum system integrity
- Enhances throttle response from idle
- Durable construction for long-term use
Pros
- +Precise fit for Nissan D21 models
- +Restores smooth idle and prevents stalling
- +New unit ensures reliability over used parts
- +Affordable compared to OEM dealer price
- +Easy installation with common tools
Cons
- −Not serviceable; must be replaced if failed
- −May require throttle body cleaning for best results
About Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4
What is Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4?
The Idle Air Control Valve IAC 237810F300 is a direct-fit replacement for 1990–2004 Nissan D21 Pickup models equipped with the 2.4L inline-4 engine. This component manages idle RPM by controlling airflow bypassing the throttle plate, responding to signals from the vehicle’s PCM. A failing IAC can lead to rough idling, stalling, or erratic idle speeds, often without triggering diagnostic codes. This new unit helps restore reliable idle performance and engine responsiveness.
Key features
- OEM-Compatible Design — Matches factory specifications for precise fit and function on D21 2.4L I4 models.
- Direct Replacement — Installs easily without modifications; no programming required.
- Durable Construction — Built to resist carbon buildup and electrical failure.
- Stall Prevention — Maintains consistent idle speed under varying engine loads.
- Improved Engine Response — Enhances throttle transition smoothness from idle.
- Carbon Resistance — Designed to withstand common coking issues in throttle bodies.
- Vacuum System Support — Works with factory vacuum lines to maintain intake integrity.
Who is Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 for?
This IAC valve is designed for Nissan D21 Pickup owners experiencing idle instability, stalling, or rough engine behavior. It suits DIY mechanics with basic hand tools and intermediate knowledge of engine systems. It's also ideal for repair shops seeking a reliable, cost-effective replacement for worn or failed OEM units. The part supports long-term vehicle maintenance, especially in older trucks where carbon accumulation and electrical wear are common.
How does Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 compare?
Compared to rebuilt or used IAC valves, this new unit offers greater reliability and longer service life. It outperforms generic aftermarket versions by adhering to OEM form and function, ensuring accurate idle control. Unlike standard polypropylene-based sensors, this valve is built for the thermal and mechanical demands of the D21’s engine bay. It’s a more affordable alternative to dealership-sourced parts while maintaining compatibility and performance.
Best use cases
- →Replace failed IAC causing idle stall
- →Restore smooth idle in high-mileage D21
- →Upgrade worn OEM unit with new part
- →Fix rough idle after engine cleaning
- →Prevent stalling during AC operation
Is Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 right for you?
This IAC valve is best for Nissan D21 owners with 2.4L engines showing idle issues. Suitable for DIYers with basic mechanical skills. If your truck stalls at stops or idles unevenly, this part can help. Consider cleaning the throttle body first. Alternatives include used units from salvage yards or higher-cost dealer parts, but this new aftermarket option balances cost and reliability.
How it compares: Compared to used or rebuilt IAC valves, this new unit offers better longevity and consistent performance. It matches OEM specs more closely than generic brands, ensuring reliable idle control in D21 trucks.
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What does the idle air control valve do?
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The IAC valve regulates engine idle speed by controlling airflow around the throttle plate. The PCM adjusts it based on temperature, load, and accessories to maintain smooth idle.
Does this IAC valve fit all Nissan D21 models?
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It fits D21 Pickups with the 2.4L inline-4 engine from 1990 to 2004. Confirm your engine size before purchase to ensure compatibility.
How do I know if my IAC valve is failing?
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Symptoms include rough idle, stalling at stops, fluctuating RPM, or idle speed that’s too high or low. These often occur without triggering check engine codes.
Is programming required after installation?
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No programming is needed. Once installed, the PCM will automatically adapt to the new IAC valve during normal driving.
Can I clean this IAC valve instead of replacing it?
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While cleaning can help, internal motor wear or high resistance can’t be fixed. If cleaning didn’t resolve the issue, replacement is recommended.
How much does Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 cost?
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Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 is $37.62 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 in stock at Lab Work Auto?
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Yes, Idle Air Control Valve IAC 237810F300 for 1990-04 Nissan D21 Pickup D21 2.4L I4 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-020056