In Stock – We also sell sensors locally that could affect stock – You will be notified immediately of any availability issues
Features:
True OE aftermarket Replacement - No Core Required - Gen 2 Software - Future proof software with re-flashing technology. Same fit and performance as OEM without the high cost
Free Ground Shipping. Shipping options, including Overnight, available at checkout. Orders placed after 2:00pm Eastern time will ship next business day
Warranty:
Dinex Emission Products NOx Sensors include a 1-year, unlimited mileage warranty
Returns:
Please contact us if you are unsure if this is the correct part, this electrical item is NOT returnable if the anti-static packaging seal has been broken. See our Shipping – Returns – Cancellations Policy in top menu above
Have questions? Call an expert at 760-355-8900, 9am - 9pm EST
Dinex Heavy Duty Aftermarket 3959-9171 Caterpillar NOx Sensor - Inlet
Is your NOx sensor ready for the next software upgrade? Dinex Emissions is the only aftermarket supplier who has solved the compatibility issues with OE software updates. Smart technology ensures seamless operation even in the future, and sets a new industry standard for performance, durability, and reliability.
True OEM aftermarket replacement - Not a cheap Knock-off
Improved protection against OE software updates
Lab and field test to ensure accuracy and durability
Software re-flashing capability
Direct replacement for Original Equipment without the high price
Generation 2 Software with improved protection against OE software updates
Lab and field test to ensure accuracy and durability
Primarily compatible CAT C Series engines including C7.1, C9.3, C13, C15, and C18
Commonly for on Construction Equipment: Excavators, Wheel Loaders, and Dozers – On-Highway Trucks: Heavy-Duty Haulers with CAT Engines – Power Generators: Standby and Prime Power Diesel Generators - Agriculture: High horsepower Tractors and Combines
This item is NOT returnable if anti-static packaging seal is broken. Pictures are for reference only, check original equipment manufacturers to ensure proper fit. If you are in doubt that this is the correct replacement part, please contact us
Dinex Generation 2 Caterpillar 3959-9171 aftermarket NOx sensor is a high quality, OEM direct aftermarket replacement. Exceptional value without sacrificing quality or performance. Same fit and performance as original equipment without the high price.
Filter Service and Supply emission parts has your Caterpillar 3959-971 heavy-duty nitrogen oxide sensor ready to ship
Proposition 65 Notice for California: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov
Warranty Information
Dinex Emission Products NOx Sensors include a 1-year, unlimited mileage warranty