Cummins ISB 6.7L NOx Sensor 2018-2024: OEM 5461551
CUMMINS ISB 6.7L NOX SENSOR 2018-2024: OEM 5461551
ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY
WARRANTY
1M MILES OR 1 YEAR
PRODUCT DESCRIPTION
This is a New, Cummins NOx Sensor, Cummins part number 5461551-OE ( OEM Part Number 5461551 ).This part is primarily made for a Cummins ISB 6.7L, production years 2018-2024, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here
OEM NUMBERS
| Primary OEM | 5461551 |
| Additional OEM | 5461551 |
ADDITIONAL DETAILS
| CONDITION | New |
| UPC / Barcode | 00840490554061 |
| WEIGHT | 1.00 LBS |
SHIPPING OPTIONS
Ship Weight : 1.00 LBS
UPS Ground, 2nd Day Air, Next Day Air
SHIPPING POLICY
Tamerx Diesel Products ships via UPS Ground. Next day air shipping can be arranged for a reasonable price of anywhere from $50.00 - $100.00 depending on the weight of the product and your location. We will do everything we can to make sure that you get the service you need. We understand how important it is to receive your order as quickly as possible.
In most cases Tamerx Diesel Products only needs one address, as long as your product is shipping to the same location as your billing information. In order to eliminate credit card fraud, your billing information must match the credit card you provide.
The terms, conditions, and details of our warranty vary from product to product. Specific warranty details can be found below.
Tamerx Diesel Products provides a replacement warranty on all of our parts. The duration and mileage limitations of the warranty vary by product and are specified on the product's detail page/item listing.
Please note that the warranty covers replacement of the part and the cost of shipping the replacement part to you only. It does not cover any shop, labor, towing, or any similar or related costs. This is not a "money back guarantee".
If you experience a problem with your part or it is not functioning properly, the correct warranty procedure is to call us at (510) 257-1777 (8:00 AM - 5:00 PM ET Monday through Friday). Be sure to have your order number and/or other relevant order information ready so we can easily locate your order and resolve your issue as quickly as possible. From that point, we will review with you any troubleshooting steps that may need to be taken and other areas or systems that can be checked to rule out external problems contributing to your part's issue. If a replacement is determined to be necessary, we will then arrange for your replacement part to ship out ASAP and issue any necessary return shipping labels and/or documents.
As is the case for the majority of the diesel products sold on Tamerx Diesel Products, your part's warranty is active as soon as you install it. In some other cases, warranty activation is contingent upon you sending us your core (i.e., your old part). Tamerx Diesel Products will provide you a return shipping label for parts that have a warranty with a core return condition. When we have received your core return, the part's warranty coverage begins. We reserve the right to void the product warranty if your core is not received within the allotted time, or if it isn't received at all. If the warranty for the diesel part you are purchasing has a core return requirement, it will be clearly noted on the product detail page/item listing.
What is a Core Charge?
A core charge (also called "core deposit") is similar to the deposit you might pay for a can or bottle of soda and is a standard requirement in the auto parts industry. For example, in many states, to promote recycling, you pay a deposit when you purchase a can of soda and receive your deposit back when you return the empty can. Many automotive parts have a core charge, or core price, that works in essentially the same way as a soda can deposit.
30 Day Core Charge Hold
You authorize Tamerx Diesel Products, to hold your credit card for the specified core charge amount and that you agree to return your core with 30 days of receiving the purchased part. When we have received your core return, the hold is released and the core charge payment is canceled.
"This Product Doesn't Have a Core"
Engineered for accurate emissions monitoring, the Cummins ISB 6.7L NOx Sensor (2018–2024) OEM 5461551 is a critical component for maintaining proper aftertreatment system function. Designed to meet original equipment specifications, it ensures precise compatibility with Cummins ISB 6.7L engines within the specified model years. This sensor measures nitrogen oxide (NOx) levels in the exhaust stream, providing essential data to the engine control system for proper emissions regulation. Constructed from durable, high-quality materials, it is built to withstand high temperatures and demanding diesel operating conditions. Ideal for technicians and fleet maintenance professionals, this OEM NOx sensor supports consistent system operation and long-term reliability.
FITMENT CHART
| YEAR | MAKE | ENGINE(S) | ||||
|---|---|---|---|---|---|---|
| 2018 | Cummins | ISB 6.7L | ||||
| 2019 | Cummins | ISB 6.7L | ||||
| 2020 | Cummins | ISB 6.7L | ||||
| 2021 | Cummins | ISB 6.7L | ||||
| 2022 | Cummins | ISB 6.7L | ||||
| 2023 | Cummins | ISB 6.7L | ||||
| 2024 | Cummins | ISB 6.7L | ||||
PEOPLE ALSO ASKS | BLOG(S)
The Cummins ISB 6.7L NOx Sensor (OEM 5461551) is a critical component in the emissions control system, designed to monitor nitrogen oxide (NOx) levels in the exhaust. Used in 2018–2024 engines, it provides real-time data that helps ensure the aftertreatment system is working correctly.
Positioned within the exhaust stream, the NOx sensor continuously measures the amount of NOx before or after key components like the SCR system. This information is then sent to the engine control module (ECM) for analysis and adjustment.
Here are the main functions of this NOx sensor:
- Measures NOx levels in the exhaust
- The sensor detects the concentration of nitrogen oxides, providing accurate readings of emission output.
- Sends real-time data to the ECM
- It converts chemical readings into electrical signals, allowing the ECM to monitor system performance continuously.
- Supports SCR system operation
- The data helps determine how much Diesel Exhaust Fluid (DEF) should be injected for proper emissions treatment.
- Helps maintain emissions compliance
- By monitoring output levels, the sensor ensures the engine stays within regulated environmental standards.
- Detects system inefficiencies or faults
- Abnormal readings can indicate issues within the aftertreatment system, prompting alerts or corrective actions.
- Enables system adjustments during operation
- The ECM uses sensor feedback to fine-tune the emissions process in real time for consistent results.
In simple terms, the Cummins 5461551 NOx sensor functions as the emissions monitoring device, providing the data needed to keep the aftertreatment system operating accurately and within required limits.
A failing NOx sensor can disrupt your emissions system and lead to incorrect readings that affect overall engine operation. Since this sensor monitors nitrogen oxide levels in the exhaust, any malfunction should be addressed quickly to avoid further complications.
The first step is confirming the issue through diagnostic testing. NOx sensor problems are often tied to electrical faults, contamination, or normal wear over time.
Here are the steps you should take:
- Run a diagnostic scan
- Use a scan tool to identify fault codes related to the NOx sensor. This helps confirm whether the issue is sensor-specific or connected to another component.
- Inspect wiring and connections
- Check for damaged wires, loose connectors, or corrosion that could interfere with proper signal transmission.
- Check for contamination or buildup
- Soot and exhaust deposits can affect sensor accuracy. In some cases, buildup may interfere with proper readings.
- Verify related system components
- Issues with the SCR system, DEF dosing, or exhaust flow can trigger NOx sensor faults, so it’s important to rule out underlying problems.
- Replace the sensor if necessary
- If the sensor continues to give inaccurate readings or fails completely, replacement is usually the most reliable solution.
Taking action early helps restore accurate emissions monitoring and prevents further issues within the system.
It is built with durable, heat-resistant materials designed to withstand harsh exhaust environments and long-term exposure to high temperatures.
Yes, incorrect particulate readings can lead to improper system adjustments, which may affect emissions control and overall engine behavior.
The 5461551 sensor typically operates on a 12-volt electrical system, which is standard for many heavy-duty diesel applications.
Using the correct OEM part ensures proper compatibility, accurate data output, and reliable integration with the engine’s emissions control system.
Cummins NOx Sensors
