HITACHI AUTOMOTIVE SX-2352 Fuel Injection Throttle Body Air EX37 3.7L V6

( Brand: Hitachi Automotive ), ( Manufacturer Part Number: SX-2352 ), ( Type: Fuel Injection Throttle Body ), ( Item Weight: 2.8000 ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 7.250 ), ( Item Length: 8.500 ), ( Item Width: 7.600 ), ( Ipn: C652 58-16 ), ( Placement On Vehicle: Air Fuel Delivery Fuel Injection System ), ( Compatible Model: Ex37 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Hitachi Fuel Injection Throttle Body )

Review HITACHI AUTOMOTIVE Fuel Injection Throttle Body Infiniti 3.7l V6 Air fits ZG 2013

The **Hitachi SX-2352 Fuel Injection Throttle Body** is a high-performance, direct-fit replacement designed specifically for the **2013 Infiniti EX37** equipped with the **3.7L V6 Air ZG engine**. Engineered to meet or exceed OEM specifications, this throttle body is crafted from durable materials to ensure long-lasting performance and reliability under demanding driving conditions. The unit features a **precision-machined throttle plate** and **sealed throttle position sensor (TPS)**, both of which are critical for maintaining optimal engine response, fuel efficiency, and emissions compliance. Unlike generic aftermarket alternatives, the Hitachi SX-2352 is built with **high-quality gaskets and O-ring seals**, preventing leaks and ensuring a secure fit within the engine bay s tight confines. Its **direct-fit design** eliminates the need for modifications, making installation straightforward for both professional mechanics and experienced DIY enthusiasts. Whether replacing a worn-out OEM component or upgrading for enhanced throttle response in a tuned application, this throttle body delivers consistent airflow regulation, reducing hesitation and improving overall engine performance. Built to withstand the rigors of daily driving as well as spirited acceleration, the Hitachi SX-2352 is an ideal choice for maintaining or enhancing the reliability and efficiency of your Infiniti EX37 s fuel injection system.

### **Pros and Cons of Buying a Hitachi SX-2352 Fuel Injection Throttle Body for a 2013 Infiniti EX37 (3.7L V6 Air ZG)**

1. **Improved Performance** A high-quality throttle body can enhance airflow, leading to better throttle response, smoother acceleration, and improved engine efficiency. The Hitachi SX-2352 is known for its precision engineering, which can help restore or enhance stock performance if the original unit was degraded.

2. **Better Fuel Economy** If the original throttle body was clogged or malfunctioning, a clean or upgraded unit can optimize fuel-air mixture, potentially improving mileage. This is especially useful if the vehicle has been driven in stop-and-go traffic or in high-humidity conditions, where carbon buildup is common.

3. **Reliability and Durability** Hitachi is a reputable brand in automotive components, and the SX-2352 is designed for long-term use. It is built to withstand the demands of modern fuel-injected engines, reducing the risk of premature failure compared to aftermarket knockoffs.

4. **Compatibility with Modifications** If you plan to add performance upgrades (e.g., cold air intake, ECU tuning, or forced induction), a high-quality throttle body ensures that the engine can handle increased airflow without stumbling or hesitation.

5. **Easier Maintenance** The SX-2352 is designed for easy cleaning and servicing. Unlike some aftermarket units that require specialized tools or frequent adjustments, this part is straightforward to install and maintain, saving time and hassle.

6. **Reduced Engine Stalling or Rough Idling** A faulty throttle body can cause intermittent stalling, rough idling, or hesitation. Replacing it with a Hitachi unit can resolve these issues, providing a smoother and more consistent driving experience.

7. **OEM-Quality Fitment** While not an exact OEM replacement, the Hitachi SX-2352 is engineered to match the specifications of the original equipment, ensuring proper sealing, mounting, and functionality without requiring extensive modifications.

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1. **Cost** The Hitachi SX-2352 is a premium aftermarket part, and while it offers quality, it may be more expensive than generic or no-name throttle bodies. For budget-conscious buyers, this could be a significant upfront investment.

2. **Installation Complexity** Replacing a throttle body requires some mechanical skill, especially if it involves disconnecting fuel lines, wiring harnesses, and sensors. If you re not comfortable with engine work, you may need to pay a mechanic for installation, adding to the cost.

3. **Potential for Overkill (If Original Was Fine)** If the original throttle body was simply dirty rather than worn out, a full replacement might be unnecessary. In such cases, cleaning the existing unit (with throttle body cleaner) could be a more cost-effective solution.

4. **Compatibility with Stock ECU** Some throttle bodies, especially aftermarket ones, may require ECU tuning or reprogramming to work optimally with the stock computer. If you don t have access to a tuner, you might experience slight performance inconsistencies until the ECU adapts.

5. **Limited Longevity Guarantee** While Hitachi parts are durable, they are not typically covered under warranty for extended periods unless purchased from a dealer or authorized seller. Unlike OEM parts, you may not have the same level of long-term protection.

6. **Potential for Aftermarket Incompatibility** If you ve installed non-OEM components (e.g., a different intake or exhaust system), there s a slight risk that the throttle body may not integrate perfectly, leading to minor issues like air leaks or sensor miscalibration.

7. **Resale Value Impact** If you plan to sell the vehicle later, a non-OEM throttle body might deter some buyers who prefer stock or easily replaceable parts. However, this is more of a consideration for short-term ownership.

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The **Hitachi SX-2352 Fuel Injection Throttle Body** is a strong choice for a **2013 Infiniti EX37 (3.7L V6 Air ZG)** if you re experiencing performance issues, rough idling, or poor fuel efficiency. Its **reliability, precision engineering, and compatibility with performance modifications** make it a worthwhile investment for enthusiasts or those seeking a long-term solution. However, if the original throttle body is simply dirty and not mechanically failing, **cleaning it may be a more economical fix**.

For most drivers who notice **hesitation, stalling, or reduced power**, upgrading to the Hitachi unit is justified. If you re on a tight budget or the vehicle is primarily for daily commuting without aggressive modifications, **prioritizing cleaning or testing the original unit first** could save money.

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- You ve ruled out other issues (e.g., clogged fuel injectors, vacuum leaks, or ECU problems).

- You re planning performance upgrades (e.g., tuning, forced induction, or intake swaps).

- You want a durable, high-quality replacement that minimizes future issues.

- You re willing to invest in a part that will improve throttle response and fuel economy.

- The throttle body is just dirty **clean it thoroughly** before replacing.

- You re unsure about installation **consult a mechanic** to avoid mistakes.

- You re on a tight budget **compare prices** and consider other brands (e.g., ACDelco, Bosch) if Hitachi is significantly overpriced.

**Final Verdict:** The Hitachi SX-2352 is a **solid, high-end choice** for this application, especially for performance-oriented owners. For most cases where the throttle body is failing, it s a **reliable upgrade** worth the cost. Always verify compatibility with your specific vehicle s modifications before purchasing.

Details:

Hitachi Fuel Injection Throttle Body for 2013 INFINITI EX37 3.7L V6 Air Zg: Status: In Stock.

part #: sx2352 prices

• $188.33-$219.35

specifications carfuelinjector:

• for models: Zg
• for makes: Infiniti
• for years: 2013
• brand: Hitachi Automotive
• mpn: Sx-2352
• type: Fuel Injection Throttle Body
• item weight: 2.8000
• manufacturer warranty: 1 Year
• item height: 7.250
• item length: 8.500
• item width: 7.600
• ipn: C652 58-16
• placement on vehicle: Air Fuel Delivery Fuel Injection System
• compatible model: Ex37
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Hitachi Fuel Injection Throttle Body

shipping carfuelinjector:

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

returns carfuelinjector:

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

seller carfuelinjector:

• city: Indianapolis, Indiana
• rating: 99.6%
• # reviews: 642266

general carfuelinjector:

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

offer carfuelinjector:

• options: Ship-to-home
• sold: 0
• quantity: 2
• started: April 7, 2026
• availability: In Stock

payments carfuelinjector:

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

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