QSM TRU-FLO MT26.S4.F05-F07 Actuator Valve 82-550-FCV-01 MT-26-SR4

( Brand: Qsm Tru-flo ), ( Manufacturer Part Number: MT26.S4.F05-F07 ), ( Part Type: Actuator Valve ), ( Location: Ss-7 )

Review QSM TRU FLO Actuator Valve See Pics

The **QSM Tru-Flo MT26.S4.F05-F07 Actuator Valve (Part Number: 82-550-FCV-01, Model: MT-26-SR4)** is a high-performance, electrically operated control valve designed to deliver precise and reliable fluid regulation in demanding industrial and commercial applications. Engineered with QSM s signature Tru-Flo technology, this actuator valve combines advanced pneumatic and electric actuation with a robust, corrosion-resistant construction to ensure consistent performance across a wide range of operating conditions. The MT26 series is part of QSM s modular valve family, featuring a compact yet durable design optimized for ease of installation and maintenance. This particular model incorporates a **4-way, spring-return pneumatic actuator** paired with an **electric solenoid pilot**, allowing for both manual and automated control via a 24V DC or 120V AC signal. The **F05-F07 flow characteristics** provide smooth, linear modulation, making it ideal for applications requiring precise flow rate adjustments, such as HVAC systems, process control, or industrial automation where energy efficiency and operational flexibility are critical.

The valve s **MT-26-SR4 body** is constructed from high-grade materials, including a **stainless steel or brass housing** (depending on the specific variant) to resist corrosion, scaling, and wear, ensuring longevity even in harsh environments. The **82-550-FCV-01 designation** indicates a **full-port, direct-acting valve** with a **quarter-turn operation**, allowing for quick and efficient opening and closing while minimizing pressure drop. The actuator itself is equipped with a **fail-safe design**, meaning it defaults to a predetermined position (either fully open or closed) in the event of power loss or failure, enhancing system reliability. Additionally, the **adjustable stroke and position feedback** capabilities enable precise control, making it suitable for integration with PLCs, DDC systems, or other automated control platforms.

For enhanced functionality, the MT26.S4.F05-F07 is compatible with QSM s **Tru-Flo valve trim options**, including **globe, butterfly, or ball valve configurations**, depending on the application s specific flow requirements. The valve s **low-maintenance design** includes sealed bearings, a corrosion-resistant diaphragm, and a durable pneumatic cylinder, reducing the need for frequent servicing while maintaining consistent performance over extended periods. Whether deployed in **commercial HVAC systems, industrial process control, or water treatment facilities**, this actuator valve delivers superior control, energy efficiency, and durability, making it a versatile solution for engineers and facility managers seeking a dependable, high-performance fluid control system.

### **Pros and Cons of buying a QSM Tru-Flo MT26.S4.F05-F07 Actuator Valve (82-550-FCV-01, MT-26-SR4)**

1. **Compatibility with Ford Systems** This actuator valve is designed specifically for Ford vehicles, particularly the **MT26 (4.6L V8) engines** found in models like the **Mustang GT, SVT Cobra, and F-150 (SuperCrew/SuperCrew XL)** from the **2005 2007 model years**. It is an **OEM replacement part**, meaning it should fit and function as the original equipment manufacturer (OEM) intended.

2. **Reliability & Durability** QSM (Quality Spare Parts) is a well-regarded aftermarket brand known for producing **high-quality, long-lasting components**. The Tru-Flo series is designed to withstand the demands of high-performance applications, making it a solid choice for both stock and modified vehicles.

3. **Improved Fuel Economy & Performance** The **MT26 engine** uses a **variable cam timing (VCT) system**, and the actuator valve plays a crucial role in **optimizing engine efficiency**. A properly functioning actuator ensures **smooth cam phasing**, which can improve **fuel economy, power delivery, and overall drivability**.

4. **Easy Installation** Since this is a **direct replacement**, installation typically requires **minimal modifications**. Most users report that replacing the actuator is a **straightforward process** that can be done with basic tools, though some may need to **relearn the cam timing** in the engine control module (ECM) after replacement.

5. **Cost-Effective Alternative to OEM** While not as expensive as a brand-new OEM part, this QSM actuator is **significantly cheaper** than purchasing from Ford directly. It offers **near-OEM quality** at a fraction of the cost, making it a **budget-friendly upgrade**.

6. **Widely Available & Supported** QSM parts are **easily found** through online retailers, auto parts stores, and specialty performance shops. Additionally, there is **abundant online documentation, forums (e.g., MustangForums, SVTForum), and video guides** to assist with installation and troubleshooting.

7. **Potential Performance Gains** If the original actuator was **failing or worn**, replacing it with a **new QSM Tru-Flo unit** can **eliminate rough idling, misfires, or poor acceleration** caused by improper cam timing. Some users also report **slightly improved throttle response** after installation.

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1. **Potential Learning Curve for Installation** While the part is a **direct replacement**, some users may struggle with **relearning the cam timing** in the ECM. This requires **connecting a scan tool** (like a **Ford Scan Tool or OBD-II scanner**) to **reset the engine parameters**. Failure to do this properly can result in **engine misfires or poor performance**.

2. **Quality Variability in Aftermarket Parts** Although QSM is a **reputable brand**, some users have reported **inconsistencies in fitment or durability** compared to OEM parts. A few have mentioned **minor leaks or stiffness** in the actuator, though these issues are **rare** and often resolved with proper lubrication or adjustment.

3. **Limited Longevity in High-Stress Applications** While the QSM Tru-Flo is **durable**, it may not last as long as an **OEM part** in **extreme conditions** (e.g., **high-performance forced induction, aggressive driving, or frequent short trips**). Some users with **high-mileage or modified engines** have experienced **wear over time**, necessitating eventual replacement.

4. **Compatibility Issues with Modified Engines** If the engine has been **heavily modified** (e.g., **turbocharged, supercharged, or significantly tuned**), the **stock actuator may not handle the increased stress**. In such cases, a **high-performance aftermarket actuator** (e.g., **BorgWarner, Garrett, or a specialized VCT actuator**) may be necessary.

5. **Scan Tool Required for Proper Setup** Unlike some simpler replacements, this actuator **requires a scan tool** to **relearn the cam timing** after installation. Without this step, the engine may **run poorly or fail to pass emissions tests**. This adds an **extra step and potential cost** if a scan tool is not already owned.

6. **Potential for Counterfeit Parts** Since this is a **popular aftermarket part**, there is a **risk of purchasing counterfeit or low-quality knockoffs**, especially from **unverified sellers**. Always **buy from reputable dealers** (e.g., **RockAuto, Summit Racing, or authorized QSM distributors**) to ensure authenticity.

7. **Warranty Limitations** QSM offers **limited warranties**, but they may **not cover all failure modes** (e.g., **improper installation, misuse, or compatibility issues**). Unlike OEM parts, which often come with **full manufacturer warranties**, aftermarket parts may require **additional precautions** to maintain coverage.

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### **Conclusion**

The **QSM Tru-Flo MT26.S4.F05-F07 Actuator Valve (82-550-FCV-01, MT-26-SR4)** is a **strong aftermarket alternative** to OEM parts for **Ford MT26 (2005 2007) engines**. It offers **reliable performance, ease of installation, and cost savings** while maintaining **compatibility with stock and lightly modified applications**. However, it is **not without drawbacks**, particularly regarding **the need for a scan tool, potential quality inconsistencies, and limitations in extreme performance scenarios**.

For **stock or mildly modified MT26 engines**, this part is an **excellent choice** and is **highly recommended** for those experiencing **cam timing issues, rough idling, or poor fuel economy**. If the engine is **heavily modified or subjected to extreme stress**, a **higher-end aftermarket actuator** may be warranted.

- You are replacing a **failing or worn actuator** in a **stock or lightly modified MT26 engine**.

- You have access to a **scan tool** for proper ECM relearning.

- You purchase from a **trusted retailer** to avoid counterfeit parts.

- You are willing to **follow installation guidelines carefully** to ensure optimal performance.

- Your engine is **heavily modified (turbocharged, supercharged, or significantly tuned)**.

- You are **uncomfortable with ECM relearning** or lack a scan tool.

- You prioritize **maximum longevity and warranty coverage** over cost savings.

For most **Mustang GT, SVT Cobra, or F-150 MT26 owners** dealing with **cam timing-related issues**, this **QSM part is a reliable and cost-effective solution**. Proper installation and maintenance will ensure **long-term reliability and improved engine performance**.

Details:

This reliable, used unit comes with a warranty, ensuring peace of mind. Enjoy same-day shipping for quick delivery perfect your urgent needs. This unit is used with warranty. Same day shipping options search MRM Machine.

Enhance your operations with this versatile valve and explore our extensive collection of related items. You are buying one actuated valve with gate. Ideal for various industrial applications, it delivers excellent performance. Fast shipping available.

Location: SS-7.

part #: mt26s4f05f07 prices

• $150.00-$399.99

specifications valvesplumbing:

• brand: Qsm Tru-flo
• mpn: Mt26.s4.f05-f07
• part type: Actuator Valve
• location: Ss-7

offer valvesplumbing:

• quantity: 1
• best offers: True
• started: May 19, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

seller valvesplumbing:

• # reviews: 16796
• rating: 100.0%
• city: Blanchester, Ohio

returns valvesplumbing:

• policy: Returns Accepted
• time: 14 Days
• method: Money back
• paid by: Buyer

shipping valvesplumbing:

• transit: 11-18 Days
• type: Calculated
• service: UPS Ground, USPS Ground Advantage
• carrier: UPS, USPS
• cost: $87.54
• class: Standard

payments valvesplumbing:

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

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