Product Description
Interstate-McBee M-4954905 Coolant Temperature Sensor — 98.5–18 5.9L/6.7L Cummins
Restore accurate coolant temperature readings on your Dodge Ram Cummins. The Interstate-McBee M-4954905 is an OEM-equivalent, direct-fit replacement for Cummins 4954905 used across 1998.5–2018 5.9L/6.7L ISB applications. Plug-and-play 2-pin sensor; thread-in design.
- Direct replacement: Matches Cummins reference 4954905 for proper fit and function.
- Stable readings: Helps the ECU manage warm-up, fan strategy, fueling, and protection limits.
- Service friendly: Quick install with basic hand tools; no programming required.
- Value: Interstate-McBee quality at a budget-friendly price point.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-4954905 |
| OEM Reference | Cummins 4954905 |
| Connector | 2-pin |
| Mounting | Thread-in sensor |
| Sold As | Each (1 sensor) |
What’s Included
- (1) Coolant Temperature Sensor – Interstate-McBee M-4954905
Vehicle Fitment
Always verify by VIN or engine serial number (ESN) when possible.
- Dodge Ram 2500/3500/4500/5500 with Cummins ISB:
- 1998.5–2002: 5.9L 24-valve
- 2003–2007: 5.9L 24-valve
- 2007.5–2018: 6.7L
Recommended / Related Parts
- Genuine Mopar 5011852AB Coolant Temperature Sensor (OEM alternative)
- Interstate-McBee M-5292712 190° Thermostat (07.5–18 6.7L)
- Shop 6.7L Cooling System (category)
Install Notes
- Allow engine to cool fully and relieve any system pressure before service.
- Catch and properly dispose of coolant; top off and bleed air after installation.
- Inspect connector/terminals for corrosion; ensure a positive electrical connection.
FAQ
Do I need to program anything after replacing this sensor?
No programming is required. Clear any stored codes and verify proper operating temperature after a test drive.
Will this fit both 5.9L and 6.7L Cummins?
Yes—this cross-references to Cummins 4954905 and fits 1998.5–2018 ISB 5.9L and 6.7L applications. Always confirm by VIN/ESN.
Is a sealant needed on the threads?
Follow the Cummins service manual for torque and sealing. If the OE procedure specifies a sealant, use only the recommended type.
