HOLSTEIN 57226QRQZ Idle Air Control Valve P30

( Brand: Holstein ), ( Part Type: Control Valve ), ( Manufacturer Part Number: 57226QRQZ ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Idle Air Control Valve ), ( Years: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 ), ( Application: Chevrolet P30 Idle Air Control Valve ), ( Product Name 2: Idle Control Valve ), ( Cs-sku: 400 )

Review HOLSTEIN Chevrolet P30 Idle Air Control Valve fits 1987–1997

The Holstein Parts 57226QRZ is an idle air control valve (IACV) specifically designed for select Chevrolet P30 models manufactured between 1987 and 1995 and 1997. This essential component is responsible for maintaining a consistent engine idle speed under various operating conditions.

The valve body is constructed primarily from durable zinc alloy, ensuring resistance to corrosion and wear. Its design features an integral O-ring, which seals the valve to the intake manifold, preventing the leakage of air and ensuring optimal engine performance.

The Holstein 57226QRZ IACV operates using a vacuum-actuated diaphragm. When the engine RPM decreases, the vacuum created by the intake manifold pulls the diaphragm, allowing more air to enter the engine, thus increasing the idle speed. Conversely, as the engine RPM increases, the intake manifold pressure decreases, causing the diaphragm to return to its original position, restricting the airflow, and lowering the idle speed.

This particular IACV is an excellent replacement for a faulty or worn-out valve, which may cause rough idling, stalling, or difficulty in starting the engine. Installing a new Holstein 57226QRZ IACV is a straightforward process and can be accomplished in a short time with common hand tools.

Moreover, this Holstein Parts IACV comes with a comprehensive 12-month warranty, ensuring customer satisfaction and peace of mind. By choosing the Holstein 57226QRZ, you can restore your Chevrolet P30 to its optimal performance and reliability.

The Holstein Parts 57226QRZ is an idle air control valve designed for certain Chevrolet models, including the P30 series, manufactured between 1987 to 1995 and 1997. This part plays a crucial role in maintaining consistent engine idling, enhancing drivability and reducing emissions. In this context, we'll discuss the potential advantages and disadvantages of purchasing this idle air control valve.

1. Enhances Drivability: A faulty idle air control valve can cause erratic engine idling, stalling, or difficulty starting. Replacing it with the Holstein 57226QRZ can help restore smooth engine performance.

2. Improves Fuel Efficiency: A properly functioning idle air control valve ensures the engine runs at optimal RPM during idling, which can lead to better fuel economy.

3. Reduces Emissions: By maintaining stable engine idling, the Holstein 57226QRZ can help decrease harmful emissions, contributing to a cleaner environment.

4. OEM Quality: This part is manufactured to meet the original equipment specifications, ensuring a proper fit and reliable performance.

5. Cost-Effective: In comparison to dealing with potential engine damage caused by a faulty idle air control valve or paying for extensive labor costs, replacing the valve with the Holstein 57226QRZ can be a cost-effective solution.

1. Potential for Additional Costs: Depending on your vehicle's location or the seller's policy, there might be additional shipping costs. Additionally, if you don't have the necessary tools to install the part, you may need to pay for professional labor.

2. Time Consumption: Installing the idle air control valve yourself can be a time-consuming process, especially if you're not familiar with the procedure.

In conclusion, the Holstein Parts 57226QRZ idle air control valve offers several advantages, such as improved drivability, fuel efficiency, reduced emissions, and OEM quality. However, it may come with additional costs and time consumption for installation. Ultimately, the decision to purchase this part depends on the severity of your vehicle's symptoms, your budget, and your willingness to invest time into the installation process. If a faulty idle air control valve is causing significant issues with your Chevrolet P30, replacing it with the Holstein 57226QRZ can lead to significant improvements.

part # 57226qrqz prices

• $13.93-$30.06

specifications injectiopug:

• for makes: Chevrolet
• for years: 1987-1997
• brand: Holstein
• part type: Control Valve
• manufacturer part number: 57226QRQZ
• manufacturer warranty: 12 Month Warranty
• notes: Idle Air Control Valve
• years: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997
• application: Chevrolet P30 Idle Air Control Valve
• product name 2: Idle Control Valve
• cs-sku: 400

offer injectiopug:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: April 22, 2026

returns injectiopug:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

shipping injectiopug:

• cost: $0.00
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• carrier: FedEx
• transit: 2-6 Days

payments injectiopug:

• wallet: Google-pay
• other
• credit card: Discover

seller injectiopug:

• rating: 98.8%
• # reviews: 329646

general injectiopug:

• condition: New
• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

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