NISSAN 337-77135A Throttle Body F8ZKU

( Part Type: Throttle ), ( Ipn: 337-77135a ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length )

Review NISSAN Throttle Body fits MAXIMA 2002

The **Nissan 337-77135A Throttle Body (F8ZKU)** from the 2002 Nissan Maxima is a critical component of the vehicle s fuel injection system, designed to regulate airflow into the engine while working in tandem with the engine control module (ECM) to optimize performance and efficiency. This throttle body is part of the **Electronic Throttle Control (ETC) system**, featuring a fully electronic throttle valve that eliminates the traditional mechanical linkage, allowing for precise throttle response and improved drivability. Crafted with a durable **black plastic housing**, the throttle body houses a **solenoid-driven throttle valve** that opens and closes based on driver input and engine demands, ensuring seamless acceleration and smooth idling. The unit is equipped with a **throttle position sensor (TPS)**, which sends real-time feedback to the ECM, enabling the system to adjust fuel delivery, ignition timing, and other critical parameters for optimal engine operation. Compatible with the **VQ35DE 3.5L V6 engine** found in the 2002 Maxima, this throttle body is engineered to withstand the demands of daily driving while maintaining reliability under varying conditions. Whether restoring a classic Maxima or upgrading an existing system, this genuine Nissan part ensures compatibility with the original wiring harness and mounting points, guaranteeing a seamless fit and operation. Its robust construction and electronic precision make it an essential upgrade for enthusiasts seeking enhanced throttle response, better fuel economy, and a more refined driving experience.

### **Pros and Cons of Buying a 2002 Nissan Maxima (F8ZKU) Throttle Body (Part # 337-77135A)**

#### **Pros**

1. **Common and Widely Available** The throttle body in the 2002 Nissan Maxima (F8ZKU) is a standard part, meaning it is easy to find at auto parts stores, online marketplaces, or directly from Nissan dealers. Its popularity ensures a steady supply, reducing the risk of long wait times or unavailability.

2. **Affordable Replacement Option** Compared to some aftermarket or high-end OEM alternatives, this throttle body is reasonably priced, making it a cost-effective solution for restoring proper engine performance. Prices typically range from $50 to $150, depending on the source.

3. **Direct Fitment** As an OEM (Original Equipment Manufacturer) part, it is designed specifically for the 2002 Maxima s engine bay, ensuring a perfect fit without modifications. This eliminates the need for adapters or custom installations, simplifying the replacement process.

4. **Reliability** Nissan s throttle bodies from this era were generally durable, especially if the original was not damaged by carbon buildup, debris, or electrical issues. Replacing it with a new or reconditioned unit can restore proper throttle response and fuel efficiency.

5. **Prevents Engine Misfires and Rough Idling** A failing throttle body can cause erratic idle, stalling, or poor acceleration due to improper air intake regulation. Replacing it resolves these symptoms, improving drivability and engine performance.

6. **Compatibility with Aftermarket Upgrades** If you plan to modify your Maxima (e.g., adding a cold air intake, ECU tune, or performance chips), a fresh throttle body ensures that these upgrades function correctly without interference.

7. **Easy DIY Replacement** The throttle body is accessible and can be replaced with basic tools (screwdriver, socket set, and possibly a throttle body cleaner). Many mechanics and enthusiasts find the process straightforward, saving labor costs.

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#### **Cons**

1. **Potential for Carbon Buildup** Even a new throttle body can develop carbon deposits over time if the engine runs on poor-quality fuel or lacks proper maintenance. This can require cleaning or replacement sooner than expected if the vehicle has high mileage or a history of neglect.

2. **Electrical Issues** Some throttle bodies from this era may have wiring or sensor problems (e.g., throttle position sensor, or TPS). If the original throttle body was faulty, the new one may still exhibit issues if the wiring harness or related components are damaged.

3. **Aftermarket vs. OEM Confusion** While the OEM part is reliable, some buyers may opt for aftermarket throttle bodies to save money. However, lower-quality aftermarket units might not fit perfectly, lack durability, or require additional tuning, potentially voiding warranty coverage.

4. **Throttle Body Cleaning May Be Necessary** If the engine has been running poorly due to carbon buildup, simply replacing the throttle body may not fully resolve the issue. Cleaning the intake valves, throttle body, and fuel injectors with a carb cleaner or professional service may be required for optimal performance.

5. **Potential for Water Ingestion** If the vehicle has been driven in wet conditions or stored improperly, moisture can enter the throttle body, causing corrosion or electrical shorts. Inspecting the part for rust or damage before installation is advisable.

6. **Compatibility with Modern Modifications** If the Maxima has been modified with a turbocharger, supercharger, or aggressive tuning, the stock throttle body may not handle the increased airflow demands. In such cases, an upgraded throttle body or a performance unit may be necessary.

7. **Limited Longevity in High-Mileage Vehicles** While the throttle body itself may last a long time, other related components (e.g., throttle position sensor, wiring, or intake manifold gaskets) may wear out simultaneously. Replacing these parts during the throttle body swap can prevent future issues.

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### **Ending Conclusion**

The **2002 Nissan Maxima (F8ZKU) throttle body (part # 337-77135A)** is a practical and widely available OEM part that offers a straightforward solution for restoring throttle response, eliminating rough idling, and improving fuel efficiency. Its affordability, direct fitment, and ease of replacement make it an attractive option for both DIY enthusiasts and professional mechanics. However, potential buyers should be mindful of secondary issues like carbon buildup, electrical problems, or the need for additional maintenance (e.g., cleaning or sensor replacements).

If the vehicle has a history of poor maintenance or symptoms beyond throttle body failure (e.g., check engine lights, misfires, or vacuum leaks), a thorough inspection of related components is recommended before purchasing the part. For most cases, this throttle body is a solid, no-frills solution that delivers reliable performance when installed correctly.

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### **Recommendation**

- **Buy the part** if you are experiencing throttle-related issues (e.g., rough idle, hesitation, or poor acceleration) and the vehicle has no other major engine problems.

- **Pair the replacement with a throttle body cleaner** (such as CRC Throttle Body Cleaner) to ensure optimal performance, especially if the engine has high mileage or a history of carbon buildup.

- **Inspect the throttle position sensor (TPS) and wiring harness** during installation replace them if they show signs of wear or failure.

- **Consider professional installation** if you are unsure about the process, as improper handling can lead to air leaks or electrical issues.

- **Avoid cheap aftermarket alternatives** unless you are certain they are compatible and high-quality, as they may not provide the same durability as the OEM part.

For most owners, this throttle body is a **cost-effective and reliable upgrade** that restores the Maxima s intended performance without major complications.

Details:

Shipping is via USPS or UPS. This 2002 Nissan MAXIMA Throttle Body is in overall good condition. Most electronic parts are not plug and play. Compatible with.

Please also use the pictures to ensure a proper fit.

part #: 337-77135a price

• $57.02

specifications throobo:

• for models: Maxima
• for makes: Nissan
• for years: 2002
• part type: Throttle
• ipn: 337-77135a
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length

payments throobo:

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

offer throobo:

• quantity: 1
• availability: In Stock
• sold: 0
• started: April 27, 2026
• options: Ship-to-home

general throobo:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies

shipping throobo:

• transit: 3-7 Days
• service: Expedited
• type: Fixed
• cost: $0.00
• class: Expedited

returns throobo:

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

seller throobo:

• # reviews: 85506
• city: Las Vegas, Nevada
• rating: 99.4%

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