Select Model
US
Shipping Update: Delivery times vary by item—check estimated delivery. Support responses may be delayed.
Add to Wish List
100k+ Customers' Top Choice
Chosen by over 100,000 customers for trusted quality and exceptional service.
1 Year Warranty
Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
90-Day Return
Hassle-free 90-day return policy for a risk-free shopping experience.
24/7 Service
Round-the-clock support to assist you whenever you need it.
Nitrogen Oxide Sensor 5491423 for Cummins Engine B4.5 B6.7 F3.8 L9
Replace Part Number: 5491423RX, 5491423, A3C03886300
Fit For Cummins Engine:
B4.5 CM2350 B146C, B6.7 CM2350 B136C, B6.7 CM2350 B157C, B6.7 CM2450 B177C, F3.8 CM2350 F128C, L9 CM2350 L120C, L9 CM2350 L129C, L9 CM2350 L133C, L9 CM2450 L143C
| Brand: | FridayParts |
| Compatible Engine Brand: | For CUMMINS |
| Engine Number: | B4.5 CM2350 B146C, B6.7 CM2350 B136C, L9 CM2350 L120C, F3.8 CM2350 F128C, B6.7 CM2350 B157C, L9 CM2350 L129C, B6.7 CM2450 B177C, L9 CM2350 L133C, L9 CM2450 L143C |
| Replacement Part Number: | 5491423RX, 5491423, A3C03886300 |
Ships to:
Delivery:
Choose options for shipping rates.