SUZUKI 13405-02H01 Throttle Bodies Body Stva Tps Injector Secondary

( Manufacturer Part Number: 13405-02H01 ), ( Type: Throttle Bodies )

Review SUZUKI Throttle Bodies Bodys Body Stva Tps Injector Primary Secondary fits GSXR 750 2006–2007

The **Suzuki 13405-02H01 Throttle Body Assembly (STVA) for the 2006-2007 GSX-R 750** is a precision-engineered component designed to deliver optimal airflow and throttle response in one of the most iconic sportbikes of its era. This high-performance assembly combines a **secondary throttle body, throttle position sensor (TPS), and fuel injectors** into a single, integrated unit, ensuring seamless synchronization between engine control and air-fuel delivery. Crafted from durable materials, including high-grade aluminum and reinforced plastics, the throttle body is engineered to withstand the extreme forces and temperatures generated by the GSX-R s high-revving, liquid-cooled inline-four engine. The **secondary throttle body** features a precisely machined bore and a smooth, aerodynamic intake passage, allowing for unrestricted airflow even under aggressive throttle inputs, which is critical for maintaining peak power output and responsiveness in both street and track applications. The integrated **throttle position sensor (TPS)** provides real-time feedback to the bike s ECU, enabling precise fuel delivery and ignition timing adjustments, which are essential for maximizing performance while ensuring smooth operation across a wide range of RPMs. Additionally, the **fuel injectors** typically 400cc or 500cc models are strategically positioned to atomize fuel with exceptional efficiency, reducing lag and promoting complete combustion for improved throttle response and power consistency. This assembly is a direct-fit replacement for the original Suzuki component, ensuring compatibility with the 2006 and 2007 model years of the GSX-R 750, including variants like the GSX-R1000 in some configurations. Whether used in a stock restoration, a high-performance modification, or a track-focused build, this throttle body assembly represents a critical upgrade for riders seeking enhanced performance, reliability, and a more engaging riding experience. Its meticulous design and integration with the bike s electronic systems make it an indispensable part of maintaining the GSX-R s legendary balance of speed, agility, and precision.

### **Pros and Cons of buying a Suzuki 13405-02H01 (2006-2007 GSX-R 750 Throttle Body Assembly with STVA, TPS, and Injectors)**

1. **OEM Quality and Reliability** Suzuki s aftermarket parts are known for durability and compatibility with the original engine design. This throttle body assembly, including the STVA (Stepped Throttle Valve Actuator) and TPS (Throttle Position Sensor), is designed to match the 2006-2007 GSX-R s performance and fuel delivery requirements.

2. **Direct Replacement Fit** The part number (13405-02H01) is specific to the 2006-2007 model year, ensuring an exact fit without modifications. This reduces installation complexity and minimizes the risk of compatibility issues.

3. **Includes Critical Components** The package bundles the throttle body, STVA, TPS, and secondary injectors, which are often sold separately. This simplifies sourcing and ensures all necessary parts are acquired at once, reducing the chance of mismatched or incomplete components.

4. **Improved Throttle Response** The STVA system enhances throttle response by providing smoother, more precise control, which is particularly beneficial for track use or aggressive riding. This can improve both drivability and performance.

5. **Fuel Injection Accuracy** The secondary injectors and TPS work together to optimize fuel delivery, which can help maintain engine efficiency and power output, especially under varying load conditions.

6. **Easier Maintenance** Since this is an OEM part, it follows Suzuki s design standards, making future maintenance or replacement simpler compared to aftermarket alternatives that may require additional tuning or adjustments.

7. **Warranty Coverage** Purchasing from an authorized dealer or reputable supplier may include a warranty, providing peace of mind against defects in materials or workmanship.

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1. **Cost** OEM parts from Suzuki can be more expensive than aftermarket alternatives. While this ensures quality, the price may be prohibitive for budget-conscious buyers or those looking for cost-effective upgrades.

2. **Limited Customization** Unlike aftermarket throttle bodies or STVA systems, this part does not offer performance enhancements beyond stock specifications. If the goal is to increase horsepower or modify throttle response significantly, aftermarket options (e.g., Mikuni or Keihin throttle bodies, or performance STVA kits) may be more suitable.

3. **Potential for Stock Performance** If the original throttle body or injectors were failing due to wear or carbon buildup, replacing them with an OEM part may not address underlying issues like clogged injectors or a dirty throttle body. Additional cleaning or servicing may be required for optimal performance.

4. **Installation Complexity** While the part is designed for a direct fit, installation may still require disassembling the engine bay, reconnecting wiring (especially for the TPS and STVA), and ensuring proper calibration. DIYers with mechanical experience can handle this, but those without may need professional help, adding to the cost.

5. **Availability and Lead Times** OEM parts, especially for older model years like the 2006-2007 GSX-R, may not always be in stock at local dealers. Purchasing online could result in shipping delays, and counterfeit or mismatched parts may pose a risk if buying from untrusted sellers.

6. **No Performance Upgrades** This is not a "performance" part but rather a replacement for worn or damaged components. If the goal is to extract more power, additional modifications (e.g., tuning, exhaust upgrades, or camshaft changes) would still be necessary.

7. **Potential for Overkill** If the throttle body or injectors were only experiencing minor issues (e.g., slight hesitation or rough idle), replacing the entire assembly may be excessive. Diagnosing the exact problem first could save money and effort.

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The Suzuki 13405-02H01 throttle body assembly (2006-2007 GSX-R) is a reliable, direct-replacement part that ensures compatibility and OEM-level quality. It is ideal for riders who prioritize authenticity, ease of installation, and long-term durability particularly if the original components have failed or are beyond repair. However, it is not a performance upgrade and may not address deeper engine issues. For those seeking cost savings or performance gains, aftermarket alternatives should be considered.

- You need a genuine OEM replacement for a failed throttle body, STVA, TPS, or injectors.

- You want to restore the bike to stock specifications without compromising reliability.

- You are comfortable with installation and do not require performance enhancements.

- You have verified the part s authenticity and compatibility with your specific model year.

- You are looking for performance improvements (e.g., aftermarket throttle bodies, STVA kits, or injectors).

- You want to save money and are open to aftermarket parts with similar quality.

- The issue is minor (e.g., a dirty throttle body or slightly worn TPS), and a partial replacement (e.g., just cleaning or replacing the TPS) would suffice.

- You need faster turnaround times and are willing to take the risk of aftermarket parts.

For most riders replacing a failed OEM component, this part is a solid choice. However, always cross-reference the part number with your bike s exact specifications and consult a mechanic if unsure about installation or compatibility.

Details:

Fits: 2006 and 2007 Suzuki GSX-R 750. OEM Throttle Body Assembly. Good function throttle body.

part #: 1340502h01 prices

• $49.95-$89.00

specifications intakefuelmotorcycle:

• for models: Gsxr, 750
• for makes: Suzuki
• for years: 2006-2007
• mpn: 13405-02h01
• type: Throttle Bodies

returns intakefuelmotorcycle:

• policy: No Returns

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: Used

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• transit: 4-9 Days
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• carrier: USPS
• class: Standard
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• rating: 99.6%
• # reviews: 399
• city: Wakefield, Rhode Island

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offer intakefuelmotorcycle:

• started: April 5, 2026
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• sold: 0
• quantity: 1
• availability: In Stock

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