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  3. HITACHI AUTOMOTIVE SX-1398

HITACHI AUTOMOTIVE SX-1398 Idle Air Control Valve Fuel 3.5L V6

fits model: Qx4, Xv. make: Infiniti. year: 2001–2002.

Sx-1398 Hitachi Automotive Idle Air Control Valve For 2001-2002 Infiniti Qx4 3.5l V6 Fuel Xv

( Brand: Hitachi Automotive ), ( Type: Idle Air Control Valve ), ( Manufacturer Part Number: SX-1398 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C154 70-19 ), ( Item Height: 3.130 ), ( Item Length: 6.880 ), ( Item Weight: 1.1000 ), ( Item Width: 4.000 ), ( Compatible Year: 2002 2001 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Hitachi Idle Air Control Valve )

Review HITACHI AUTOMOTIVE Idle Air Control Valve Infiniti 3.5l V6 Fuel fits QX4 XV 2001–2002

The Hitachi SX-1398 Idle Air Control Valve is a crucial component in the fuel injection system of certain 2001 and 2002 Infiniti QX4 vehicles equipped with the 3.5L V6 engine and the Fuel XV system. This valve plays a significant role in maintaining a consistent engine idle speed under various operating conditions.

The SX-1398 Idle Air Control Valve is an electromechanical component that receives signals from the engine control module (ECM) to adjust the amount of air entering the engine intake manifold. By regulating the airflow, the valve ensures a stable idle speed, which is essential for smooth engine operation and efficient fuel consumption.

The valve body is made from robust materials, including a durable plastic housing and a diaphragm made from a heat-resistant elastomer material. This construction allows the valve to withstand the high temperatures and pressures encountered in the engine compartment. The valve also features a built-in solenoid, which allows the ECM to control the valve's operation by applying or releasing electrical current.

When the valve functions correctly, it allows the engine to idle steadily, even in cold weather or under heavy load conditions. However, if the valve malfunctions, it can cause issues such as rough idling, stalling, or poor fuel economy. Symptoms of a faulty Idle Air Control Valve may include engine surging, hesitation, or an illuminated check engine light.

Installing a new Hitachi SX-1398 Idle Air Control Valve is a straightforward process, typically involving removing the old valve and installing the new one in its place. It is always recommended to consult the vehicle's service manual or a professional mechanic for specific instructions on installation.

In summary, the Hitachi SX-1398 Idle Air Control Valve is a vital component of the fuel injection system in certain 2001 and 2002 Infiniti QX4 vehicles. Its primary function is to regulate the air entering the engine intake manifold to maintain a consistent idle speed, ensuring smooth engine operation and efficient fuel consumption. If the valve malfunctions, it can cause various issues, making it essential to replace it when needed.

The Hitachi SX-1398 idle air control valve is a crucial component in maintaining the proper functioning of the fuel injection system in certain models of the Infiniti QX4, including those with the 3.5L V6 engine produced between 2001 and 2002. Here are some pros and cons to consider before buying this particular part:

Pros:

1. OEM Part: The Hitachi SX-1398 is an original equipment manufacturer (OEM) part, meaning it is manufactured by the same company that originally supplied the part for the Infiniti QX4. This ensures a perfect fit and optimal performance.

2. Reliability: OEM parts are typically known for their durability and reliability, as they are designed specifically for the vehicle and made to meet the original manufacturer's standards.

3. Improved Idle Stability: A faulty idle air control valve can cause issues with the engine's idle stability, leading to rough idling or stalling. Replacing the valve with a new OEM part can help improve idle stability, resulting in a smoother driving experience.

4. Long-term Savings: While the upfront cost of an OEM part may be more expensive than aftermarket alternatives, the long-term savings can be significant. OEM parts are known for their durability and reliability, reducing the need for frequent replacements.

5. Warranty Coverage: OEM parts often come with warranty coverage, providing peace of mind and protection against manufacturing defects or other issues.

Cons:

1. Cost: Original equipment manufacturer parts can be more expensive compared to aftermarket alternatives, which may be a deterrent for some.

2. Availability: OEM parts may not always be readily available at local auto parts stores, requiring an order through a dealership or online.

3. Installation Complexity: Depending on the vehicle and the individual's mechanical skills, installing an OEM idle air control valve may be more complex compared to aftermarket alternatives, potentially requiring professional installation.

Conclusion:

In conclusion, the Hitachi SX-1398 idle air control valve is an excellent choice for those seeking optimal performance, reliability, and long-term savings. Its OEM status ensures a perfect fit, and the improved idle stability can lead to a smoother driving experience. However, its higher cost and potential installation complexity are important considerations. Ultimately, the decision to purchase an OEM idle air control valve comes down to personal preferences and priorities. If durability, reliability, and peace of mind are top priorities, then the Hitachi SX-1398 is a solid investment. If budget and convenience are more important, an aftermarket alternative may be a more suitable option.

specifications injectiopug:

  • for models: Qx4, Xv
  • for makes: Infiniti
  • for years: 2001-2002
  • brand: Hitachi Automotive
  • type: Idle Air Control Valve
  • manufacturer part number: SX-1398
  • manufacturer warranty: 1 Year
  • interchange part number: C154 70-19
  • item height: 3.130
  • item length: 6.880
  • item weight: 1.1000
  • item width: 4.000
  • compatible year: 2002 2001
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Hitachi Idle Air Control Valve

offer injectiopug:

  • quantity: 5
  • started: March 11, 2025
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

returns injectiopug:

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

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general injectiopug:

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

shipping injectiopug:

  • class: Standard, Expedited
  • service: Standard, Expedited
  • transit: 2-6 Days
  • cost: $0.00
  • type: Fixed

seller injectiopug:

  • # reviews: 547968
  • rating: 98.8%
for models: qx4, xv, for makes: infiniti, for years: 2001-2002, type: idle air control valve, manufacturer warranty: 1 year, item height: 3.130, item length: 6.880, item weight: 1.1000, item width: 4.000, compatible year: 2002 2001, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine hitachi idle air control valve,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 4040769078789621,

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