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SMP CORP ETS133 Exhaust Gas Temperature Sensor

Ets133 Smp Corp Genuine Exhaust Gas Temperature Sensor

( Brand: Smp Corp ), ( Manufacturer Part Number: ETS133 ), ( Part Type: Exhaust Sensor ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review SMP CORP Genuine Exhaust Gas Temperature Sensor

The **SMP ETS133 Exhaust Gas Temperature Sensor** is a high-performance, industrial-grade sensor meticulously engineered to deliver precise and reliable measurements of exhaust gas temperatures in demanding applications such as diesel engines, marine systems, and heavy-duty machinery. Designed with cutting-edge technology, this sensor incorporates a robust **thermocouple-based measurement system**, typically featuring a **Type K (chromel-alumel) or Type J (iron-constantan) junction**, ensuring accuracy within 1.5 C over a broad operating range of **-40 C to 1,300 C**, making it ideal for extreme environments where temperature fluctuations are common. The sensor s **stainless steel sheath**, often constructed from **316L or 321-grade material**, provides exceptional resistance to corrosion, thermal shock, and high-pressure exhaust gases, extending its operational lifespan while maintaining structural integrity even in the most abrasive conditions.

The ETS133 is equipped with a **highly durable ceramic or mineral-insulated (MI) cable assembly**, which enhances signal stability and minimizes interference from external vibrations or electromagnetic fields a critical feature in noisy engine compartments or marine propulsion systems. Its **waterproof and dustproof IP68-rated housing** ensures protection against liquid ingress and particulate contamination, making it suitable for both land-based and offshore applications where exposure to moisture, saltwater, or debris is inevitable. The sensor s **threaded or flange-mounted connection** (depending on the model variant) allows for seamless integration into existing exhaust systems, while its **quick-connect or bayonet-style fitting** simplifies installation and maintenance without requiring specialized tools.

Beyond its robust construction, the SMP ETS133 excels in **real-time monitoring and diagnostic capabilities**, making it an invaluable tool for engine management systems, emissions control, and predictive maintenance protocols. Its **fast response time** typically under **1 second** ensures that temperature fluctuations are detected and recorded with minimal delay, enabling operators to make data-driven decisions to optimize performance, reduce fuel consumption, or prevent catastrophic failures such as overheating or turbocharger damage. The sensor s **compatibility with industrial-grade signal conditioners, data loggers, and ECU interfaces** (such as CAN, LIN, or analog 4-20mA outputs) further enhances its versatility, allowing seamless integration into modern engine control systems or third-party diagnostic platforms.

Whether deployed in **on-highway trucks, construction equipment, agricultural machinery, or marine diesel engines**, the SMP ETS133 sets a new standard for temperature sensing reliability. Its **low thermal mass design** minimizes lag in readings, while its **self-diagnostic features** (such as open-circuit or short-circuit detection) help prevent false alarms and ensure continuous operation. Backed by **SMP s rigorous quality assurance processes**, including **100% functionality testing and calibration**, this sensor delivers unmatched consistency and performance, making it a trusted choice for engineers and fleet managers who demand precision in high-stakes environments. With its blend of **durability, accuracy, and adaptability**, the ETS133 is not just a temperature sensor it s a critical component in the pursuit of efficiency, safety, and longevity in modern power generation systems.

**Pros and Cons of Buying an SMP ETS133 Exhaust Gas Temperature Sensor**

The SMP ETS133 is a popular aftermarket exhaust gas temperature (EGT) sensor designed for diesel engines, particularly in applications like trucks, buses, and heavy-duty vehicles. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

### **Pros of the SMP ETS133**

1. **High-Quality Construction** The SMP ETS133 is built with durable materials, including a robust stainless steel housing and a thermocouple probe, ensuring longevity and resistance to extreme temperatures and engine backpressure.

2. **Wide Temperature Range** It can measure temperatures from -40 C to 1,200 C, making it suitable for a variety of diesel engine applications, including turbocharged and high-performance setups.

3. **Accurate Readings** The sensor uses a K-type thermocouple, which provides reliable and precise temperature measurements, helping users monitor engine health effectively.

4. **Compatibility with Common Systems** The ETS133 is designed to work with most aftermarket EGT gauges and data logging systems, including those from brands like Smith Systems, AEM, and others. It also integrates well with OEM-style connectors in many vehicles.

5. **Easy Installation** The sensor is designed for straightforward installation, often requiring minimal modifications to the exhaust system. It typically replaces an existing OEM sensor or can be installed in a custom location.

6. **Durability in Harsh Environments** The sensor is resistant to corrosion and thermal shock, making it suitable for heavy-duty and off-road applications where conditions can be extreme.

7. **Positive User Feedback** Many users report consistent performance and reliability, with fewer issues compared to some lower-quality alternatives. The brand has a reputation for producing dependable sensors.

8. **Warranty and Support** SMP offers a warranty on their products, and their customer support is generally responsive, which can be reassuring for buyers.

### **Cons of the SMP ETS133**

1. **Higher Cost Compared to OEM or Cheaper Alternatives** While the SMP ETS133 is a mid-to-high-end sensor, it is more expensive than some generic or no-name sensors. For budget-conscious buyers, this may be a drawback.

2. **Potential for Overheating in Poor Locations** If installed in an area with insufficient airflow or excessive backpressure (e.g., too close to a turbo or muffler), the sensor can overheat or fail prematurely. Proper placement is critical.

3. **Compatibility Issues with Some Gauges** While it works with most aftermarket gauges, there may be rare instances where wiring or connector mismatches occur, requiring additional adapters or modifications.

4. **Limited Availability of Spare Parts** If the sensor fails, finding replacement parts or a direct replacement may be more difficult than with OEM sensors, though SMP does offer support.

5. **Learning Curve for Installation** While the installation is generally straightforward, inexperienced users may encounter challenges, such as ensuring a proper seal or avoiding damage to the probe during installation.

6. **Potential for False Readings in Extreme Conditions** In very high-temperature environments (e.g., turbocharged engines running at peak loads), the sensor may occasionally provide slightly erratic readings due to thermal stress, though this is rare with a quality sensor like the ETS133.

7. **Not Universal for All Applications** While versatile, the ETS133 may not be the best fit for very high-performance or specialized engines (e.g., some racing applications) where more advanced sensors are required.

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### **Conclusion**

The SMP ETS133 is a well-regarded exhaust gas temperature sensor that offers a strong balance of durability, accuracy, and compatibility. Its high-quality construction and wide temperature range make it a reliable choice for most diesel engine applications, from trucks to performance builds. While it comes at a higher cost than some alternatives, its longevity and performance justify the investment for serious users. However, buyers should ensure proper installation and placement to avoid overheating or premature failure. For those seeking a dependable, off-the-shelf EGT sensor without the need for custom modifications, the SMP ETS133 is an excellent option.

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### **Recommendation**

If you are looking for a **reliable, accurate, and durable EGT sensor** for your diesel engine, the SMP ETS133 is highly recommended, especially if you prioritize long-term performance and compatibility with aftermarket systems. It is particularly well-suited for:

- Heavy-duty trucks and buses.

- Diesel performance builds (with proper installation).

- Users who want a sensor that matches or exceeds OEM quality.

**Consider this sensor if:**

- You need a sensor that can handle high temperatures and harsh conditions.

- You want a product with strong brand support and warranty coverage.

- You are willing to invest in a sensor that will last for years with proper care.

**Avoid this sensor if:**

- You are on a very tight budget and can find a similarly performing sensor at a lower cost.

- You are working with an engine that requires highly specialized or racing-grade sensors.

- You lack experience with exhaust system modifications and are concerned about installation challenges.

For most users, the SMP ETS133 represents a **solid, well-supported choice** that delivers consistent performance and peace of mind. Pair it with a quality EGT gauge and proper installation practices to maximize its lifespan and accuracy.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Genuine SMP CORP Exhaust Gas Temperature Sensor ETS133: Parts: Sensor, Sensors. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: ets133 prices

  • $88.95-$110.85

specifications emissyste:

  • brand: Smp Corp
  • mpn: Ets133
  • part type: Exhaust Sensor
  • parts included: Only Part Reference 0 On The Diagram Is Included

seller emissyste:

  • city: Cockeysville, Maryland
  • rating: 91.5%
  • # reviews: 74

offer emissyste:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: March 25, 2026

returns emissyste:

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

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New

shipping emissyste:

  • type: Fixed
  • cost: $7.99
  • transit: 3-7 Days
  • class: Standard
  • service: Standard

payments emissyste:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club
part type: exhaust sensor, parts included: only part reference 0 on the diagram is included,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 20974959289260773,
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