Request a quotation for 539-0118 5390118 NOx Sensor for C13 C15 C18 Engine for 349D 349F 374F 390F Excavator Parts for Caterpillar.
Fitment checks
Compare the complete part marking, connector shape, pin count and the required electrical specification. Confirm the listed references and applications against the existing part before ordering.
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Send clear photos of the old part and label, machine model and serial number, quantity required and delivery country. Include the engine or assembly identification where relevant.





