1. Fuel Injectors Offers
  2. sku: 15859028318878603
  3. HITACHI AUTOMOTIVE SX-9223

HITACHI AUTOMOTIVE SX-9223 Fuel Injection Throttle Body Rw 5.7L 6.1L V8

fits model: Magnum. make: Dodge. year: 2005–2008.

Sx-9223 Hitachi Automotive Fuel Injection Throttle Body For 2005-2008 Dodge Magnum 5.7l 6.1l V8 Rw

( Brand: Hitachi Automotive ), ( Manufacturer Part Number: SX-9223 ), ( Type: Fuel Injection Throttle Body ), ( Item Weight: 2.9000 ), ( Manufacturer Warranty: 1 Year ), ( Item Width: 7.090 ), ( Item Height: 6.020 ), ( Item Length: 8.270 ), ( Ipn: C528 57-28 ), ( Placement On Vehicle: Air Fuel Delivery Fuel Injection System ), ( Compatible Year: 2008 2007 2006 2005 ), ( 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 Dodge 5.7l 6.1l V8 Rw fits MAGNUM 2005–2008

The **Hitachi SX-9223 Fuel Injection Throttle Body** is a high-performance, precision-engineered replacement part designed specifically for the **2005 2008 Dodge Magnum** equipped with the **5.7L (345 ci) or 6.1L (365 ci) Magnum V8** engines, including models with the **RWD (rear-wheel-drive) configuration**. This throttle body is a direct drop-in replacement for the stock OEM component, ensuring seamless integration with the vehicle s fuel injection system while delivering enhanced airflow, throttle response, and overall engine performance. Crafted from durable materials, the Hitachi SX-9223 features a **high-quality aluminum body** reinforced with precision-machined internals, including a **smooth-bore throttle plate** and **optimized airflow passages** that reduce turbulence and improve engine efficiency. Unlike generic aftermarket alternatives, this throttle body is engineered to maintain proper fuel delivery and idle stability, making it an ideal choice for both stock and mildly modified applications. Its **compatible OEM mounting pattern** ensures a secure fit, while the **throttle position sensor (TPS) and idle air control (IAC) valve compatibility** guarantees that the vehicle s ECU (engine control unit) will recognize it without requiring extensive reprogramming. Whether you're restoring a classic Magnum, upgrading a daily driver, or preparing for high-performance modifications, the Hitachi SX-9223 provides a reliable, high-flow solution that preserves factory functionality while supporting better throttle response, smoother acceleration, and improved engine breathing. Built to meet or exceed OEM specifications, this throttle body is a trusted choice for enthusiasts seeking a balance of performance and compatibility in their Dodge Magnum.

### Pros and Cons of Buying a Hitachi SX-9223 Fuel Injection Throttle Body for a 2005 2008 Dodge Magnum (5.7L/6.1L V8 RW)

#### **Pros:**

1. **Improved Performance and Throttle Response** The SX-9223 is a high-performance throttle body designed for better airflow and quicker throttle response, which can enhance acceleration and overall drivability, especially in a naturally aspirated V8 like the Magnum s 5.7L/6.1L engine.

2. **Better Fuel Efficiency (Under Certain Conditions)** A more precise throttle body can help optimize fuel delivery, potentially improving fuel economy in smooth, controlled driving scenarios, though results vary based on engine tuning and driving habits.

3. **Compatibility with Aftermarket Tuning** Since the Magnum s stock throttle body may not be ideal for forced induction or aggressive tuning, upgrading to a Hitachi SX-9223 can provide a better foundation for future modifications, such as supercharging or turbocharging.

4. **Durability and Quality** Hitachi is a reputable brand known for manufacturing reliable throttle bodies used in both OEM and aftermarket applications. The SX-9223 is built to handle higher airflow demands than the stock unit.

5. **Easier Installation** The SX-9223 is designed to fit directly in place of the stock throttle body, requiring minimal modifications to the intake system. It comes with gaskets and mounting hardware, simplifying the installation process.

6. **Potential for Reduced Hesitation** If the stock throttle body was causing minor stumbling or hesitation, upgrading can eliminate that issue by providing smoother airflow control.

7. **Future-Proofing for Modifications** If you plan to add a supercharger, turbo, or other performance upgrades, the SX-9223 is a step up from the stock unit, which may not handle increased airflow as effectively.

---

#### **Cons:**

1. **Cost** The SX-9223 is more expensive than the stock throttle body, and installation may require additional labor if you re not comfortable with mechanical work. Prices typically range from $200 $400 depending on the source and condition.

2. **Mixed Results Without Tuning** Simply swapping in the SX-9223 without adjusting the fuel system (ECU tuning, fuel injectors, or fuel pressure) can lead to **lean conditions**, causing rough idle, stalling, or even engine damage. A tune is often required for optimal performance.

3. **Potential for Increased Fuel Consumption** While the throttle body itself doesn t directly increase fuel use, improper tuning or aggressive driving with a larger throttle body can lead to **higher fuel consumption** if the engine isn t properly balanced.

4. **Compatibility Concerns** The Magnum s 5.7L (pre-2007) and 6.1L (2007 ) engines have slightly different airflow requirements. While the SX-9223 is designed for a range of applications, some users report that the **6.1L engine may benefit slightly less** from this upgrade compared to the 5.7L due to its slightly different tuning and airflow characteristics.

5. **Installation Complexity** While straightforward, the process involves disconnecting the stock throttle body, wiring, and sensors. If not done carefully, vacuum leaks or improper sealing can cause drivability issues.

6. **Not a Guaranteed Power Gain** Unlike a supercharger or turbo, the SX-9223 primarily improves **throttle response and airflow efficiency** rather than directly increasing horsepower. Gains are more noticeable in **responsiveness and smoothness** than raw power.

7. **Potential for Overcomplication** If your Magnum is already running well with stock components, upgrading the throttle body may not be necessary unless you re experiencing specific issues (e.g., hesitation, poor idle) or planning future modifications.

---

### **Conclusion:**

The **Hitachi SX-9223 throttle body is a solid upgrade** for a 2005 2008 Dodge Magnum with a 5.7L or 6.1L V8, particularly if you re looking to improve throttle response, prepare for future modifications, or address minor airflow restrictions. However, it is **not a standalone power upgrade** it requires proper tuning to avoid lean conditions and ensure optimal performance.

If your primary goal is **better drivability and throttle feel**, the upgrade is worthwhile. If you re seeking **significant horsepower gains**, you ll need to pair it with a tune, fuel system upgrades, and possibly other modifications (e.g., intake, exhaust, or forced induction).

For **daily driving or light modifications**, the benefits are noticeable but modest. For **serious performance builds**, it serves as a good foundation but should be part of a larger plan.

---

### **Recommendation:** - **Buy the Hitachi SX-9223 if:**

- You experience **hesitation, rough idle, or sluggish throttle response** in your Magnum.

- You plan to add a **supercharger, turbo, or other airflow-enhancing modifications** in the future.

- You want **smoother acceleration and better throttle control** without a full engine rebuild.

- You re willing to **invest in a tune** (from a reputable tuner like **Haltech, Link, or a local dyno shop**) to optimize fuel delivery.

- **Skip the upgrade if:**

- Your Magnum runs well with the stock throttle body and you re not planning modifications.

- You re on a tight budget and can t afford the cost of the throttle body **plus tuning**.

- You re not comfortable with **basic mechanical work** (installation is manageable but requires attention to detail).

- You expect **dramatic power gains** this is more of a refinement than a performance upgrade.

**Final Verdict:** The SX-9223 is a **smart mid-tier upgrade** for Magnum owners who want to future-proof their engine or improve throttle feel, but it should be paired with proper tuning to avoid issues. If you re serious about performance, consider it as part of a broader modification plan rather than a standalone fix.

Details:

Hitachi Fuel Injection Throttle Body for 2005 - 2008 Dodge Magnum 5.7L 6.1L V8 rw: Status: In Stock.

part #: sx9223 price

  • $199.68

specifications carfuelinjector:

  • for models: Magnum
  • for makes: Dodge
  • for years: 2005-2008
  • brand: Hitachi Automotive
  • mpn: Sx-9223
  • type: Fuel Injection Throttle Body
  • item weight: 2.9000
  • manufacturer warranty: 1 Year
  • item width: 7.090
  • item height: 6.020
  • item length: 8.270
  • ipn: C528 57-28
  • placement on vehicle: Air Fuel Delivery Fuel Injection System
  • compatible year: 2008 2007 2006 2005
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Hitachi Fuel Injection Throttle Body

offer carfuelinjector:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: April 13, 2026

payments carfuelinjector:

  • credit card: Mastercard
  • other
  • wallet: Paypal

general carfuelinjector:

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

shipping carfuelinjector:

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

seller carfuelinjector:

  • # reviews: 644510
  • city: Indianapolis, Indiana
  • rating: 99.6%

returns carfuelinjector:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: magnum, for makes: dodge, for years: 2005-2008, type: fuel injection throttle body, item weight: 2.9000, manufacturer warranty: 1 year, item width: 7.090, item height: 6.020, item length: 8.270, placement on vehicle: air fuel delivery fuel injection system, compatible year: 2008 2007 2006 2005, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine hitachi fuel injection throttle body,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 15859028318878603,
Hitachi Automotive SX-9223 Is Similar To:
carfuelinjector logo
1 offer $199.68 USD
  • New. Offer #1 priced at $199.68 + $0.00 shipping estimate = $199.68* total. FREE SHIPPING

Copyright © carfuelinjector.com