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AAPF 336-59476 Air Flow Meter 10/94 Q45

fits make: Infiniti. year: 1990–1995.

336-59476 Aapf Air Flow Meter Thru 10/94 Fits 90-95 Infiniti Q45 1132246

( Brand: Aapf ), ( Part Type: Flow Meter ), ( Conditions Options: Mass Air Flow Sensor For ), ( Genuine Oem: No ), ( Ipn: 336-59476 )

Review AAPF Air Flow Meter Thru 10/94 Infiniti Q45 fits 1990–1995

The **AAPF 336-59476 Air Flow Meter** is a precision-engineered component designed specifically for the **Infiniti Q45 (1990 1995)** models equipped with the **90 95 engine variants**, serving as a critical sensor in the vehicle s fuel injection system. This air flow meter, also known as a **mass air flow (MAF) sensor**, plays an essential role in monitoring the amount of air entering the engine, allowing the engine control module (ECM) to calculate the precise fuel-air mixture required for optimal combustion. Manufactured to meet strict OEM specifications, this sensor features a **high-precision hot-wire or hot-film element** that detects airflow fluctuations with exceptional accuracy, ensuring consistent performance and efficiency across various driving conditions.

The **AAPF 336-59476** is a direct replacement for the original equipment (OEM) air flow meter found in the Q45 s **V6 engine applications**, maintaining compatibility with the vehicle s **1990 1995 model years** without requiring modifications. Its robust construction includes a **durable housing with precise calibration**, designed to withstand the demands of daily driving while providing reliable data to the ECM. The sensor s internal circuitry is optimized for the Q45 s **electronic fuel injection (EFI) system**, ensuring seamless integration with the vehicle s engine management software. Whether installed in a classic Q45 or a restored classic, this air flow meter helps maintain proper throttle response, fuel economy, and overall engine performance, preventing issues such as rough idling, stalling, or reduced power output.

For enthusiasts and mechanics alike, the **AAPF 336-59476** represents a high-quality, aftermarket alternative to OEM parts, offering the same level of reliability as factory components while often at a more accessible price point. Its compatibility with the **Infiniti Q45 s specific airflow requirements** ensures that it functions as intended, contributing to a smoother, more efficient driving experience. Whether used in a daily driver or a show car, this air flow meter is a vital component for maintaining the Q45 s performance and longevity.

### **Pros and Cons of buying a AAPF 336-59476 Air Flow Meter (10/94 95 Infiniti Q45)**

#### **Pros**

1. **Direct OEM Replacement** This part is an exact match for the Infiniti Q45 (10/94 95) engine, ensuring proper fitment and functionality without modifications. It uses the same specifications as the original manufacturer s (GM) air flow meter, reducing the risk of compatibility issues.

2. **Reliable Performance** The AAPF brand is known for producing high-quality aftermarket parts that meet or exceed OEM standards. The air flow meter is designed to provide accurate airflow readings, which is critical for proper fuel mixture and engine efficiency.

3. **Cost-Effective Solution** Compared to purchasing a full engine or a rebuilt unit, replacing just the air flow meter is a significantly cheaper alternative. It can save hundreds or even thousands of dollars in labor and part costs.

4. **Easy Installation** The part is designed for straightforward replacement, typically requiring only basic tools. Most owners or even inexperienced DIYers can install it without professional help, saving on labor fees.

5. **Improved Engine Health** A faulty air flow meter can cause poor fuel economy, rough idling, stalling, or even long-term engine damage due to incorrect air-fuel ratios. Replacing it restores proper engine function and prevents further issues.

6. **Warranty Coverage** AAPF parts often come with warranties (typically 1 2 years), providing some protection against defects or premature failure.

7. **Compatibility with Modifications** If you plan to modify your engine (e.g., tuning, turbocharging), a reliable air flow meter is essential for accurate sensor readings. This part can serve as a solid foundation for future upgrades.

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#### **Cons**

1. **Potential Calibration Issues** Some aftermarket air flow meters may require recalibration after installation, especially if the vehicle s ECU (Engine Control Unit) is not pre-programmed for the new sensor. This could involve visiting a dealership or a specialist for a scan tune, adding extra cost.

2. **Quality Variability** While AAPF is a reputable brand, there is always a slight risk of receiving a defective unit, especially if purchased from a third-party seller. Always buy from authorized dealers or trusted retailers to minimize this risk.

3. **Limited Longevity Compared to OEM** Some owners report that aftermarket air flow meters may not last as long as the original GM part, though this varies by unit and driving conditions. Regular maintenance (cleaning the sensor periodically) can extend its lifespan.

4. **Installation Complexity for Some** While generally straightforward, the air flow meter is located near the intake manifold, and some owners may find accessing it challenging due to tight spaces or other obstructions. Those unfamiliar with engine work may need to consult a guide or seek help.

5. **Cost Relative to OEM** While cheaper than a full engine rebuild, the aftermarket part is still more expensive than a basic replacement sensor from a discount auto parts store. However, the trade-off is reliability and exact fitment.

6. **Compatibility with Non-Stock Engines** If your Q45 has been heavily modified (e.g., forced induction, custom tuning), the air flow meter may need additional adjustments or a different model entirely to work optimally.

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### **Conclusion**

The **AAPF 336-59476 air flow meter** is a strong choice for restoring proper engine function to a **10/94 95 Infiniti Q45**. Its OEM-level quality, ease of installation, and cost-effectiveness make it a practical solution for addressing airflow-related issues. However, potential buyers should be aware of minor drawbacks such as calibration needs, the risk of variability in quality, and the possibility of slightly reduced longevity compared to the original part.

For most owners, the benefits far outweigh the cons, especially if the goal is a reliable, no-fuss replacement. If you prioritize absolute longevity and are willing to pay more, an OEM or high-end aftermarket alternative (e.g., from **Megajolt** or **Delphi**) may be preferable. However, for the average enthusiast or budget-conscious buyer, this AAPF part provides an excellent balance of performance and value.

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### **Recommendation**

**Buy the AAPF 336-59476 air flow meter if:**

- You need a direct OEM replacement for your **10/94 95 Infiniti Q45**.

- You want a reliable, high-quality part without excessive cost.

- You are comfortable with basic engine work or have access to guidance for installation.

- You plan to recalibrate or tune the ECU afterward if necessary (dealership or tuner recommended).

**Consider alternatives if:**

- You suspect the engine has been heavily modified and need a sensor specifically designed for non-stock setups.

- You prefer the absolute longest lifespan and are willing to pay a premium for an OEM or premium aftermarket part.

- You are unsure about installation and lack access to mechanical support.

**Final Verdict:** **Strongly recommended** for most owners as a cost-effective, high-quality solution to airflow meter failure in the specified Infiniti Q45 models. Purchase from an authorized AAPF dealer to ensure authenticity and warranty coverage.

Details:

Mass Air Flow Sensor For 1990 -199. INFINITI Q45 90-94. INFINITI Q45 95 thru 10/94.

specifications emissyste:

  • for makes: Infiniti
  • for years: 1990-1995
  • brand: Aapf
  • part type: Flow Meter
  • conditions options: Mass Air Flow Sensor For
  • genuine oem: No
  • ipn: 336-59476

shipping emissyste:

  • cost: $0.00
  • type: Fixed
  • transit: 4-7 Days
  • class: Expedited
  • service: Expedited

general emissyste:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Air Intake Fuel Sensors

payments emissyste:

  • wallet: Apple-pay
  • credit card: Mastercard
  • other

offer emissyste:

  • availability: In Stock
  • started: June 11, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

seller emissyste:

  • # reviews: 3177
  • city: Kingston Springs, Tennessee
  • rating: 100.0%

returns emissyste:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for makes: infiniti, for years: 1990-1995, part type: flow meter, conditions options: mass air flow sensor for, genuine oem: no,
category: auto parts > car truck parts accessories > air fuel delivery > air intake fuel sensors, sku: 22583080288763741,
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