Fitment

Fits for:

• Cummins ISB / ISL / ISX diesel engines (select SCR-equipped applications depending on emissions system configuration)
• DAF LF / CF / XF models using Cummins PACCAR emissions system integration (select Euro 5 / Euro 6 SCR setups)
• Heavy-duty trucks and commercial vehicles with Cummins aftertreatment systems
• Engine: Diesel emissions SCR / AdBlue system applications
• Position: Exhaust NOx sensor (inlet or outlet depending on configuration)
• OE Numbers: 1971946 / 1952565 / 2872945 / 2897309 / 4326862 / 4326470 / 5WK96751C

FAQ

Q1: Is this compatible with all Cummins engines?
A1: No, compatibility depends on engine model (ISB, ISL, ISX variants), emissions standard, and SCR system configuration.

Q2: Where is it installed?
A2: It is installed in the exhaust system to measure nitrogen oxide levels for SCR emissions control.

Q3: Is this inlet or outlet sensor?
A3: 1971946 can be used as inlet or outlet depending on aftertreatment layout and OEM configuration.

Q4: Are these part numbers interchangeable?
A4: Yes, 1971946 is cross-referenced across multiple OEM applications including DAF and Cummins SCR systems depending on revision.