Product Description
Interstate-McBee M-5292712 – 190° Thermostat for 6.7L Cummins (07.5–18)
Keep your 6.7L Cummins at the proper operating temperature with the Interstate-McBee M-5292712 190° thermostat. Built to OEM-style dimensions for reliable warm-up, stable temperature control, and long service life on Ram 2500/3500/4500/5500 platforms.
- OEM-style fit & function: Aftermarket replacement for Cummins 5292712 (superseded by 5627589).
- Precise regulation: 190°F (88°C) opening temp helps maintain factory cooling strategy.
- Durable construction: Quality materials and machining for consistent performance.
- Value vs. OEM: Interstate-McBee quality at a lower cost than dealer-boxed parts.
Specifications
| Interstate-McBee PN | M-5292712 |
|---|---|
| OEM Cross-Refs | 5292712 (superseded by 5627589); related: 3974371, 4929644 |
| Temperature | 190°F / 88°C |
| Engine | Cummins ISB/QSB 6.7L (Ram 6.7L Cummins) |
| Includes | Thermostat only; O-ring/seal sold separately (Cummins 3954829) |
| Position | Engine coolant thermostat |
Vehicle Fitment
Always verify with your engine serial number (ESN) for best results.
- Ram 2500/3500/4500/5500 with 6.7L Cummins (ISB), 2007.5–2018
Important fitment note: Ram 6.7L models 2007.5–2009 and 2013–2018 use a 190°F thermostat (Cummins 5292712 → 5627589). Model years 2010–2012 typically use a 200°F thermostat (Mopar 68067109AB). If your truck is 2010–2012, confirm which temperature your calibration requires before ordering.
Installation Notes
- Drain coolant to below thermostat level; clean housing and mating surfaces thoroughly.
- Replace the housing seal (Cummins 3954829) when installing.
- Torque fasteners per the Cummins service manual; refill and bleed the cooling system.
Why Buy From CPP Diesel
- ESN-verified fitment support from diesel techs.
- Fast shipping, easy returns, and curated 6.7L cooling parts.
- Competitive pricing on OEM and high-quality aftermarket.
FAQ
Does this thermostat include the O-ring/seal?Interstate-McBee M-5292712 is the thermostat only. Order the housing seal Cummins 3954829 separately.
Will it fit my 2010–2012 6.7L Ram?
Many 2010–2012 trucks were calibrated for a 200°F thermostat (Mopar 68067109AB). Verify before purchase if you’re in those model years.
What’s the OEM supersession for 5292712?
Cummins superseded 5292712 to 5627589 (190°F kit). Interstate-McBee M-5292712 is an OEM-style aftermarket alternative.
Will switching from 200° to 190° affect drivability?
Staying with the factory-specified temperature for your year is recommended. Changing temp can affect warm-up, HVAC output, and fan strategy.
Product Videos
Custom Field
YEAR 2007.5-2018
MAKE DODGE
ENGINE 6.7L
