NISSAN N05-121731 Throttle Body

( Manufacturer Part Number: N05-121731 ), ( Type: Throttle Body ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review NISSAN Throttle Body

The **Nissan N05-121731 Throttle Body** is a precision-engineered component designed to deliver optimal performance and responsiveness in Nissan s high-performance and turbocharged applications, particularly within the N05 engine family found in vehicles like the Nissan 350Z, 370Z, GT-R, and other performance-oriented models. This throttle body is a critical part of the engine s intake system, responsible for regulating airflow into the combustion chamber while ensuring smooth and efficient throttle response. Crafted with meticulous attention to detail, the N05-121731 features a robust construction that includes high-quality materials such as durable plastic housing, reinforced metal components, and precision-machined internals to withstand the demands of aggressive driving, high RPMs, and turbocharged boost pressures. The throttle body incorporates a **variable intake manifold control (VIMC) system**, allowing for dynamic adjustments to airflow depending on engine load, which enhances both power delivery and fuel efficiency. Its design integrates a **throttle blade assembly** that operates seamlessly with the engine s ECU (Engine Control Unit), providing instant and precise control over throttle position, whether during wide-open-throttle (WOT) bursts or subtle, nuanced acceleration. For performance enthusiasts, this throttle body is often paired with upgrades like larger intake manifolds, high-flow air filters, or turbocharger kits to further amplify engine output. Whether restoring a classic Nissan or pushing a modern turbocharged N05 to its limits, the N05-121731 throttle body ensures a reliable, high-performance foundation for the intake system, bridging the gap between stock reliability and aftermarket potential. Its compatibility with Nissan s OEM wiring harness and ECU calibration makes it an ideal choice for both stock replacements and performance modifications, offering a balance of durability, responsiveness, and ease of installation.

### **Pros and Cons of Buying a Nissan N05-121731 Throttle Body**

The Nissan N05-121731 throttle body is a widely used part in Nissan vehicles, particularly in models like the Altima, Maxima, and Sentra (2002 2007). Here are the key advantages of purchasing this part:

1. **Widespread Availability** Due to its popularity, this throttle body is easy to find in both online marketplaces (eBay, Amazon, RockAuto) and local auto parts stores. This ensures quick replacement without long wait times.

2. **Cost-Effective** Compared to OEM (Original Equipment Manufacturer) parts, aftermarket versions of this throttle body are often significantly cheaper, making it a budget-friendly option for repairs.

3. **Compatibility** The N05-121731 is designed specifically for Nissan engines, ensuring a proper fit and function without modification. It is used in several models, increasing its versatility.

4. **Performance & Reliability** When installed correctly, this throttle body provides smooth throttle response and helps maintain engine efficiency. Many users report improved acceleration and reduced stalling issues after replacement.

5. **Easy Installation** The part is relatively straightforward to install, especially for those with basic mechanical experience. Most require only basic tools and a few hours of work.

6. **Prevents Engine Issues** A failing throttle body can cause rough idling, stalling, or even engine damage over time. Replacing it proactively can prevent more costly repairs down the line.

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1. **Quality Variability** Not all aftermarket throttle bodies are created equal. Some cheaper or counterfeit versions may have poor materials, leading to premature wear or failure. Always verify the seller s reputation and product reviews.

2. **Potential for Counterfeit Parts** Due to its popularity, this part is often sold as a knockoff. Counterfeit throttle bodies may lack proper calibration or sealing, causing performance issues or leaks.

3. **Calibration May Be Required** Some Nissan models (especially those with electronic throttle control) may need a scan tool to recalibrate the throttle position sensor (TPS) after replacement. Failure to do this could result in erratic throttle response.

4. **Warranty Concerns** Aftermarket parts typically come with limited or no warranty, whereas OEM parts often include a manufacturer s warranty. If the part fails soon after purchase, you may be out of luck without proof of purchase.

5. **Compatibility with Modified Engines** If your vehicle has been modified (e.g., turbocharged, forced induction, or aftermarket ECU tuning), the stock throttle body may not perform optimally under increased load. In such cases, a performance throttle body may be necessary.

6. **Potential for Carbon Buildup** Over time, throttle bodies can accumulate carbon deposits, especially in high-mileage vehicles. While this part itself may be fine, the surrounding intake system should also be inspected for cleanliness.

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The Nissan N05-121731 throttle body is a **reliable and cost-effective solution** for replacing a failing throttle body in compatible Nissan models. Its widespread availability, ease of installation, and performance benefits make it a strong choice for DIYers and mechanics alike. However, buyers should exercise caution when purchasing to avoid counterfeit parts and ensure proper installation and calibration.

For most standard applications (non-modified engines), this part is an excellent replacement. If you re working on a high-performance or heavily modified vehicle, consider consulting a specialist to determine if a performance throttle body would be more suitable.

- **Buy from a reputable seller** (e.g., RockAuto, Amazon, or a trusted local auto parts store) to avoid counterfeit parts.

- **Verify compatibility** with your exact vehicle model and year before purchasing.

- **Consider OEM or high-quality aftermarket brands** (e.g., Denso, ACDelco) if budget allows for better long-term reliability.

- **Recalibrate the throttle position sensor** if required by your vehicle s system.

- **Inspect the surrounding intake system** for carbon buildup or other issues that may affect performance.

For most standard Nissan applications, the N05-121731 throttle body is a **solid and practical choice** that balances cost, availability, and performance.

Details:

This item is a USED Throttle Body in good clean condition.

part #: n05121731 price

• $25.95

specifications throobo:

• for makes: Nissan
• mpn: N05-121731
• type: Throttle Body
• vintage part: Yes
• country of origin: United States

payments throobo:

• credit card: Diners-club
• other
• wallet: Google-pay

shipping throobo:

• transit: 5-11 Days
• type: Fixed
• class: Economy
• cost: $12.00
• service: Economy

general throobo:

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

returns throobo:

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

offer throobo:

• started: March 21, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

seller throobo:

• city: Las Vegas, Nevada
• rating: 100.0%
• # reviews: 931

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