Product Description
Genuine Cummins
Cummins 2872858 — Exhaust Gas Temperature (EGT) / EGR Temperature Sensor
MPN: 2872858 | Also Known As: EGT sensor, EGR temperature sensor, temperature sensor | Cross-Ref: 4954250
Why This Part
- ✓ OE sensor for accurate temperature feedback to the ECM/emissions system.
- ✓ Direct-fit for 2007.5–2025 Ram 6.7L ISB (verify by VIN/ESN).
- ✓ Restores proper regen & protection strategies when a failed sensor causes codes/derates.
- ✓ Built to Cummins durability standards for heat and vibration.
OE Fit Emissions Critical 1 Per Location
Quick Specs
| Type | Exhaust Gas Temperature / EGR Temperature Sensor |
|---|---|
| OE Part # | 2872858 (cross-ref 4954250) |
| Thread Size | M14 x 1.5 (typical bung size) |
| Connector | 2-pin (verify harness) |
| Qty Required | 1 per monitored location (sold individually) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 2007.5–2025 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500/4500/5500 |
Industrial/Off-Highway: Used primarily on EPA13 ISB/QSB 6.7 variants—always confirm by ESN.
Often Paired With
- Sensor bung/plug service (M14 x 1.5) and anti-seize as appropriate
- Harness inspection and connector dielectric grease
- Related gaskets/seals if removed during service
What’s In The Box
- (1) Genuine Cummins Temperature Sensor (2872858)
- Hardware not included (reuse OE bung/clip where applicable)
Install Tips
- Let exhaust cool fully; pre-spray penetrant on seized sensors.
- Chase threads and torque to spec; avoid twisting the lead.
- Clear codes and verify live data/regen behavior after install.
FAQ
WILL THIS FIT MY 2007.5–2025 6.7L CUMMINS RAM?Yes—2872858 is listed for 2007.5–2025 Ram 6.7L applications (verify by VIN/ESN and sensor position).
IS 2872858 THE SAME AS 4954250?4954250 is a common cross-reference used by many catalogs for this OE Cummins sensor.
WHICH POSITION DOES THIS SENSOR COVER?It’s used as an exhaust/EGR temperature input; exact position (e.g., EGR crossover, pre/post aftertreatment) varies by calibration. Match by VIN/ESN and connector location.
WHAT THREAD SIZE DOES IT USE?M14 x 1.5 into a welded bung on the tube/pipe.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 2872858 for correct integration and durability.
Product Videos
Custom Field
Vehicle Year 2007.5-2014
Vehicle Make DODGE
ENGINE 6.7L CUMMINS
