CUMMINS 3687334RX Sensor Nitrogen Oxide

( Brand: Cummins ), ( Manufacturer Part Number: 3687334RX ), ( Part Type: Sensor )

Review CUMMINS Sensor Nitrogen Oxide Reman Genuine

The Cummins 3687334RX Sensor is a critical component in the emission control system of Cummins ISX and ISM engines. Designed to measure the level of Nitrogen Oxides (NOx) in the exhaust gas, this sensor plays a vital role in ensuring the engine complies with emission regulations.

This sensor is a zirconia oxygen sensor with a built-in NOx sensor element. The oxygen sensor function allows the engine control module to optimize fuel delivery for efficient combustion, while the NOx sensor function continuously monitors the exhaust gas to detect and report NOx emissions. The advanced design of this sensor enables it to provide accurate and reliable readings under various operating conditions.

The Cummins 3687334RX Sensor is a compact, rugged component designed for long-lasting performance. It is built with high-temperature materials and coatings to withstand the extreme conditions found in heavy-duty engine applications. The sensor housing is made of stainless steel, providing resistance to corrosion and ensuring a long service life.

The sensor features a heated element to ensure proper functioning in cold temperatures. This element maintains a consistent temperature, allowing the sensor to provide accurate readings in all weather conditions. The sensor also includes a built-in heater element for self-diagnostics, which can alert the engine control module of any potential issues.

Installation of the Cummins 3687334RX Sensor is straightforward, with clear instructions provided in the user manual. The sensor plugs directly into the engine wiring harness, making it easy to connect. The sensor is also compatible with various engine models and emission systems, making it a versatile solution for a wide range of applications.

Regular maintenance and calibration of the Cummins 3687334RX Sensor are essential to ensure accurate and reliable readings. The sensor should be checked for any signs of damage, such as cracks or leaks, and recalibrated as recommended by the engine manufacturer. Proper maintenance and calibration help ensure the engine operates efficiently and complies with emissions regulations.

In conclusion, the Cummins 3687334RX Sensor is a crucial component in the emission control system of Cummins ISX and ISM engines. Its advanced design allows it to accurately measure Nitrogen Oxides in exhaust gas, ensuring the engine operates efficiently and complies with emission regulations. Built with rugged materials and advanced features, this sensor is designed for long-lasting performance and easy installation. Regular maintenance and calibration are essential to ensure accurate and reliable readings.

Cummins 3687334rx sensor is a nitrogen oxide (NOx) sensor used in Cummins engines to monitor and reduce emissions. Here are some pros and cons of buying this sensor:

1. Improves Emission Compliance: The sensor helps the engine systems to adjust fuel injection and exhaust gas recirculation (EGR) to reduce NOx emissions, ensuring compliance with various emission standards.

2. Enhances Engine Performance: Properly functioning NOx sensors contribute to better engine performance, as they maintain optimal combustion conditions.

3. Long Service Life: Cummins 3687334rx sensor has a long service life, typically lasting between 100,000 and 200,000 miles.

4. Diagnostic Capabilities: The sensor provides valuable diagnostic information, allowing technicians to identify and address potential engine issues before they become major problems.

1. Cost: The price of the Cummins 3687334rx sensor can be relatively high, especially when compared to other replacement parts.

2. Complex Installation: Installing the sensor may require specialized knowledge and tools, making it a more challenging DIY project for some individuals.

3. Potential for False Readings: NOx sensors can sometimes provide false readings due to contamination or sensor failure, which may result in unnecessary repairs or maintenance.

The Cummins 3687334rx sensor is an essential component in maintaining the performance and emissions compliance of Cummins engines. While it comes with some drawbacks, including cost and complex installation, the benefits of improved engine performance and long service life make it a worthwhile investment for those who rely on their Cummins engine for heavy-duty applications. If you're experiencing issues with your NOx sensor or simply want to ensure optimal engine performance, consider replacing the sensor with a genuine Cummins part.

When purchasing a Cummins 3687334rx sensor, it's recommended to buy it from a reputable supplier or through the engine manufacturer's dealership to ensure authenticity and quality. Additionally, consider having the sensor installed by a certified technician to minimize the risk of errors or complications during the installation process.

Details:

MPN: 3687334RX. Notes: Item is remanufactured in original packaging. Some photos may be stock. Cummins 3687334RX Sensor, Nitrogen Oxide Reman Genuine Replaces NOX109, WA902-18-7920, 1815147, 050779, NOX-CZ-019, 5EL009, 904-6019 Item is remanufactured in original packaging.

Brand: Cummins. Condition: Re-manufactured.

part #: 3687334rx prices

• $147.00-$230.00

specifications commerciatruc:

• brand: Cummins
• mpn: 3687334rx
• part type: Sensor

general commerciatruc:

• Parts Accessories > Commercial Truck Parts > Other Commercial Truck Parts
• condition: Remanufactured

offer commerciatruc:

• options: Ship-to-home
• started: January 28, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True

seller commerciatruc:

• city: Waynesville, Missouri
• # reviews: 344
• rating: 99.4%

shipping commerciatruc:

• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground Economy, FedEx Standard Overnight
• type: Calculated
• cost: $0.00
• transit: 5-10 Days
• carrier: USPS, FedEx
• class: Standard, Expedited, Economy, One-day

returns commerciatruc:

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

payments commerciatruc:

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

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