STEWART WARNER M-279B-F Film Pressure Sender 792157279018 0-100

( Brand: Stewart Warner ), ( Manufacturer Part Number: M-279B-F ), ( Part Type: Pressure Film Sender ), ( Country Of Origin: Mex ), ( UPC: 792157279018 )

Review STEWART WARNER Thick Film Pressure Sender 0-100 Psi

The **Stewart-Warner M-279B-F Film Pressure Sender** is a precision-engineered, diaphragm-style pressure transducer designed for reliable and accurate measurement of fluid pressure within industrial, automotive, and HVAC systems. Built to withstand demanding environments, this sender operates on a robust film capsule mechanism, which converts applied pressure into a proportional electrical signal, making it ideal for integration into gauges, control systems, or data logging applications. The unit features a compact yet durable construction, with a **0-100 psi (pounds per square inch) range**, ensuring it can handle moderate to high-pressure conditions while maintaining exceptional linearity and repeatability. Its **film capsule sensor** constructed from high-grade materials provides superior resistance to corrosion, vibration, and temperature fluctuations, making it suitable for both indoor and outdoor installations. The sender is equipped with a **standard 1/4-inch NPT or 3/8-inch NPT threaded connection**, allowing for easy installation in piping systems, tanks, or machinery. Whether used in automotive fuel systems, refrigeration units, or industrial process monitoring, this sender delivers consistent performance with minimal drift, ensuring long-term reliability. Its **low-profile design** and **sealed construction** further enhance its versatility, making it a trusted choice for engineers and technicians seeking a dependable pressure measurement solution.

### **Pros and Cons of buying a Stewart-Warner M-279B-F Film Pressure Sender (0-100 PSI)**

1. **Compatibility** This is a widely used and well-documented pressure sender, meaning it is likely to fit standard fuel injection, air intake, or boost systems in older vehicles (particularly those from the 1980s 2000s) and some aftermarket applications.

2. **Reliability** Stewart-Warner components are known for durability, especially in mechanical or film-type pressure sensors, which are less prone to electronic failure compared to modern digital sensors.

3. **Mechanical Design** The film-type sensor is robust against electrical interference, making it a good choice for high-vibration environments (e.g., racing or off-road applications).

4. **Easy Installation** Many users report straightforward installation, especially if replacing a similar sender, as wiring and mounting points are often standard.

5. **Cost-Effective** Compared to newer digital or electronic pressure senders, this mechanical unit is generally affordable, making it a budget-friendly option for basic applications.

6. **Aftermarket Support** Due to its age and popularity, replacement parts (such as seals, diaphragms, or wiring harnesses) are relatively easy to source.

7. **Analog Output** Works well with older gauges or analog systems, avoiding compatibility issues with modern digital dashboards.

1. **Limited Digital Compatibility** This is an analog sender, meaning it may not work directly with modern digital gauges or ECUs unless an adapter or converter is used.

2. **Potential for Wear Over Time** Film-type sensors can degrade due to diaphragm fatigue, especially if exposed to extreme pressure fluctuations or contaminants (e.g., fuel leaks, moisture).

3. **Less Precise Than Modern Sensors** Digital pressure sensors offer higher accuracy and resolution, which may be preferable for tuning or high-performance applications.

4. **Wiring Concerns** Some users report issues with corroded or frayed wiring, particularly if the sender has been exposed to moisture or heat over time.

5. **Harder to Find in Some Regions** While still available, newer buyers may struggle to locate this part compared to more modern alternatives.

6. **No Built-In Diagnostics** Unlike electronic sensors, this unit does not provide fault codes or self-diagnostic capabilities, making troubleshooting more difficult.

7. **Potential for False Readings** If the diaphragm or internal components fail, the sender may give inconsistent or inaccurate readings.

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### **Conclusion**

The **Stewart-Warner M-279B-F** is a solid, mechanically reliable pressure sender that excels in basic applications, older vehicles, or analog systems. It is a cost-effective choice for those who prioritize durability and simplicity over advanced digital features. However, if you need high precision, digital compatibility, or modern diagnostics, a newer electronic pressure sensor may be a better long-term investment.

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### **Recommendation**

- You need a replacement for an older vehicle or system where this sender is known to work.

- You are working with an analog gauge or a non-digital setup.

- You prefer a mechanical, low-maintenance solution and can tolerate minor trade-offs in precision.

- You are on a tight budget and need a reliable, widely available part.

- You require digital compatibility with modern gauges or ECUs.

- You are building a high-performance or tunable system where accuracy is critical.

- You expect to use it in extreme conditions (e.g., high heat, frequent pressure spikes) where electronic sensors may be more resilient.

- You cannot easily source replacement parts or wiring adapters in your region.

- For **modern vehicles or digital setups**, look for a **Hall-effect or digital pressure sender** (e.g., from Bosch, Delphi, or aftermarket brands like AEM or Jet-Ed).

- For **high-reliability analog use**, consider a **newer mechanical sender** (e.g., Stewart-Warner s newer models or equivalent brands like **Edelbrock or Holley**).

- If **cost is a concern but digital compatibility is needed**, a **universal adapter** (e.g., for converting analog to digital signals) may bridge the gap.

Details:

American Express. NPTF Thread, Stud Terminal, Zinc-Coated Steel, Sold Individually Stewart Warner Thick Film Pressure Sender 0-100 PSI, Sender, Scale, 240-33.500 Ohms, 1/8 .125 in.

part #: m279b prices

• $50.00-$134.36

specifications boosttempgauges:

• brand: Stewart Warner
• mpn: M-279b-f
• part type: Pressure Film Sender
• country of origin: Mex
• upc: 792157279018

returns boosttempgauges:

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

seller boosttempgauges:

• rating: 99.3%
• # reviews: 623351
• city: , Ohio

shipping boosttempgauges:

• cost: $15.99
• type: Fixed
• service: Standard
• transit: 3-8 Days
• class: Standard

payments boosttempgauges:

• wallet: Paypal
• credit card: Diners-club
• other

offer boosttempgauges:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 4
• started: March 31, 2026

general boosttempgauges:

• condition: New
• Interior Parts Accessories > Gauges > Individual Gauges

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