TECHME17 688644 Secondary Air Pump Injection Valve 4.0L V6

( Brand: Techme17 ), ( Manufacturer Part Number: 688644 ), ( Type: Secondary Air Injection Pump Valve ), ( Material: Plastic/aluminum ), ( Color: Silver ), ( Placement On Vehicle: Front ), ( Oe/oem Part Number: 25710-31011/2571031011 ), ( Manufacturer Warranty: 1 Year ), ( Outlet Connection Size: 6 Inches ), ( Inlet Connection Type: Compression ), ( Outlet Connection Type: Npt ), ( Engine: 4.0l V6 ), ( Terminal Type: Blade ), ( Terminal Quantity: 5 Pins )

Review TECHME17 Secondary Air Injection Pump Valve Toyota 4.0l V6 fits TUNDRA 2007–2010

The **Techme 688644 Secondary Air Injection Pump Valve** is a high-performance, precision-engineered component designed exclusively for Toyota s 4.0L V6 engine models, including the **2007 2010 Toyota Tundra**. This critical aftermarket part plays a vital role in the vehicle s emissions control system by facilitating the introduction of secondary air into the exhaust manifold during engine warm-up and idle conditions. By promoting faster catalyst light-off and reducing harmful hydrocarbons and carbon monoxide emissions, this valve ensures optimal engine efficiency and compliance with modern emissions standards.

Crafted from durable, corrosion-resistant materials, the **Techme 688644** is built to withstand the demanding conditions of high-performance applications while maintaining reliability under prolonged use. Its robust construction includes a sealed diaphragm mechanism and a precision-machined valve assembly, ensuring smooth operation and consistent airflow regulation. The valve is engineered to fit seamlessly with the stock Toyota emissions system, providing an exact replacement for the original equipment manufacturer (OEM) component without the need for additional modifications.

This secondary air injection pump valve is particularly beneficial for enthusiasts seeking to restore or enhance their Tundra s emissions performance after modifications such as exhaust upgrades, engine swaps, or performance tuning. Whether used in stock applications or as part of a more extensive aftermarket build, the **Techme 688644** delivers dependable performance, helping to maintain clean emissions while supporting overall engine health. Its compatibility with the **2007 2010 4.0L V6 Toyota Tundra** makes it an essential upgrade for anyone looking to ensure their vehicle meets emissions requirements without compromising on quality or durability.

### Pros and Cons of buying a Techme 688644 Secondary Air Injection Pump Valve for a 2007-2010 Toyota Tundra 4.0L V6

1. **Direct Fitment** This part is specifically designed for the 2007-2010 Toyota Tundra 4.0L V6, ensuring compatibility without modifications. It matches the OEM (Original Equipment Manufacturer) specifications, reducing the risk of installation issues.

2. **Quality and Durability** Techme is a reputable aftermarket brand known for producing reliable automotive parts. The secondary air injection pump valve is built to withstand the operating conditions of your engine, reducing the likelihood of premature failure.

3. **Cost-Effective Alternative** Purchasing this part as a replacement is often more affordable than buying an OEM part directly from Toyota. It provides a budget-friendly solution without compromising performance or longevity.

4. **Improved Emissions Compliance** The secondary air injection system helps reduce harmful emissions by injecting air into the exhaust manifold during engine shutdown, aiding in the cooling of exhaust gases. A functioning pump valve ensures your vehicle meets emissions standards and avoids potential check engine light issues.

5. **Easy Installation** The part is designed for straightforward installation, typically requiring only basic tools. Many users report that replacing the pump valve takes less than an hour, especially if you have some mechanical experience.

6. **Prevents Further Damage** A failing secondary air injection pump can lead to increased emissions, reduced fuel efficiency, or even damage to the catalytic converter over time. Replacing it proactively can prevent these issues and extend the lifespan of your engine s emissions system.

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1. **Mixed Reviews on Longevity** While Techme is generally reliable, some users report that aftermarket secondary air injection pump valves may not last as long as OEM parts. If the pump fails prematurely, you may need to replace it sooner than expected, incurring additional costs.

2. **Potential Incompatibility with Modifications** If your Tundra has been modified (e.g., with a performance exhaust system, tuner, or emissions bypass), the aftermarket pump valve might not function optimally. Some modifications can interfere with the air injection system s operation, leading to reduced effectiveness.

3. **Check Engine Light (CEL) Sensitivity** Modern Toyota vehicles are sensitive to emissions-related issues. If the pump valve is not installed correctly or if there s a slight malfunction, it could trigger a CEL, requiring a diagnostic scan to reset. This may involve additional time or a trip to a mechanic.

4. **Limited Availability of OEM Parts** While aftermarket parts like this one are convenient, some users prefer OEM parts for peace of mind. If you later decide to switch to an OEM replacement, finding the exact part may require ordering from Toyota or an authorized dealer, which could be more expensive.

5. **Installation Challenges for DIYers** Although the installation is generally straightforward, some users may find it tricky if they lack experience with automotive electrical or exhaust system components. Improper installation (e.g., loose wiring, incorrect routing of hoses) can lead to performance issues or failure.

6. **Environmental and Regulatory Considerations** In some regions, tampering with emissions systems (even for replacement parts) may require compliance with local emissions regulations. While replacing a faulty pump valve is typically allowed, bypassing or disabling the system entirely could result in legal or inspection issues.

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The Techme 688644 secondary air injection pump valve for your 2007-2010 Toyota Tundra 4.0L V6 is a practical and cost-effective solution for maintaining your vehicle s emissions system. Its direct fitment, reliability, and ease of installation make it a strong choice for most owners. However, potential drawbacks such as longevity concerns, compatibility with modifications, and the sensitivity of modern emissions systems should be considered.

If your primary goal is to replace a failing pump valve to avoid check engine lights or emissions failures, this part is a solid aftermarket option. For those who prioritize long-term reliability or have heavily modified vehicles, weighing the pros and cons against the option of an OEM replacement or a different aftermarket brand (e.g., Denso or ACDelco) may be worthwhile.

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1. **Verify Compatibility** Double-check that your Tundra s emissions system (e.g., EGR valve, catalytic converter) is functioning correctly alongside the new pump valve. If other components are failing, address them simultaneously to avoid recurring issues.

2. **Choose a Reputable Seller** Purchase the part from a trusted online retailer (e.g., Amazon, RockAuto, or a local auto parts store with good reviews) to ensure you receive an authentic Techme product. Avoid counterfeit or low-quality duplicates.

3. **Follow Installation Guidelines** Carefully follow the installation instructions provided with the part. Pay attention to wiring connections, hose routing, and securing the pump valve to prevent leaks or electrical issues.

4. **Monitor Performance** After installation, monitor your vehicle for any check engine lights or unusual exhaust smells. If the CEL persists, use an OBD-II scanner to diagnose the issue. Most modern Toyotas will require a "freeze frame" or "emissions-related" code to be cleared after replacing the pump valve.

5. **Consider OEM for Long-Term Use** If budget allows and you plan to keep the vehicle for many years, an OEM pump valve (part number 82010-23020 or similar) may offer slightly better longevity, though it will cost more upfront.

6. **Maintain the System** Regularly inspect the secondary air injection system, including hoses, connectors, and the pump valve, during routine maintenance. Clean or replace clogged hoses if necessary to ensure proper airflow.

**Final Verdict:** For most owners of a 2007-2010 Toyota Tundra 4.0L V6, the Techme 688644 secondary air injection pump valve is a **highly recommended replacement part** due to its affordability, compatibility, and ease of use. It strikes a balance between cost and performance, making it a practical choice for addressing emissions-related concerns without unnecessary complexity.

Details:

1 Year Warranty.: Type: Secondary Air Injection Pump Check Valve. Package Include. Excellent Performance - Air Pump Check Valve Has Been Rigorously Inspected And Verified, Tested Before Leaving The Factory, Meeting A Variety Of Most Stringent Quality Standards To Ensure Long Service Life Reliability.

Outlet Connection Type: NPT. Installation Manual Is NOT Included. Color: Silver. New List Item.

Inlet Connection Type: Compression. Profession install is highly recommend. Number of Ports: High quality - Made of high-quality materials, strong and durable, excellent performance to ensure a longer service life.

Connector: 5 Pins. Inlet/Outlet Connection Size: 6 Inches. Easy to install, Direct replacement. Material: Plastic, Aluminum.

W/O Product Instruction.

part #: 688644 price

• $155.10

specifications cranshafengin:

• for models: Tundra
• for makes: Toyota
• for years: 2007-2010
• brand: Techme17
• mpn: 688644
• type: Secondary Air Injection Pump Valve
• material: Plastic/aluminum
• color: Silver
• placement on vehicle: Front
• oe/oem part number: 25710-31011/2571031011
• manufacturer warranty: 1 Year
• outlet connection size: 6 Inches
• inlet connection type: Compression
• outlet connection type: Npt
• engine: 4.0l V6
• terminal type: Blade
• terminal quantity: 5 Pins

seller cranshafengin:

• city: Chino, California
• # reviews: 6695
• rating: 99.2%

returns cranshafengin:

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

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shipping cranshafengin:

• carrier: UPS
• service: Standard, UPS 2nd Day Air
• transit: 3-9 Days
• type: Fixed
• class: Standard, Expedited
• cost: $0.00

offer cranshafengin:

• sold: 0
• options: Ship-to-home
• best offers: True
• started: February 10, 2026
• availability: In Stock

general cranshafengin:

• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
• condition: New

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