Product Description
Interstate-McBee M-5292712 — 190° Thermostat for 2007.5–2018 6.7L Cummins (Aftermarket Replacement)
Direct-fit 190° F engine coolant thermostat for the 2007.5–2018 Dodge/Ram 2500/3500/4500/5500 with the 6.7L Cummins. Restores proper warm-up time and maintains stable operating temperature under load. Sold individually.
- OE-style function: Matches factory opening temperature and flow characteristics.
- Reliable materials: Precision wax-motor element and corrosion-resistant housing components.
- Consistent temperature control: Helps optimize fuel economy, heater performance, and emissions readiness.
- Service-friendly: Drop-in replacement; no tuning required.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-5292712 |
| OEM Reference | Cummins 5292712 (reference only) |
| Opening Temperature | 190° F (approx. 88° C) |
| Sold As | Each (1 thermostat) |
| Position | Engine cooling system |
What’s Included
- (1) Thermostat, P/N M-5292712
Vehicle Fitment
Always verify by VIN/ESN for exact applications.
- Ram 2500/3500/4500/5500 with 6.7L Cummins
- Model Years: 2007.5–2018
- Engine: 6.7L Cummins ISB
Install Notes
- Drain coolant below thermostat housing level; capture and dispose/recycle properly.
- Install the thermostat in the correct orientation; replace the housing seal/gasket if worn.
- Torque housing fasteners to spec and bleed air from the cooling system after refill.
- Confirm fan clutch operation and check for leaks after warm-up.
Why Buy From CPP Diesel
- Diesel-focused support that can confirm fitment by engine serial number
- Fast shipping and easy returns
- Stocked complementary cooling and maintenance parts
FAQ
Is this the correct temperature for my 6.7L Cummins?
Yes—190° F is the common OE-equivalent thermostat for most 2007.5–2018 6.7L Cummins applications. Always verify by VIN/ESN to be sure.
How many thermostats does my engine use?
One. This listing is for a single 190° F thermostat.
Do I need a new gasket or seal?
It’s recommended to replace the housing seal/gasket during service. Inspect and replace as needed to prevent leaks.
Will this affect my tuning or emissions equipment?
No. It’s an OE-style replacement that does not require tuning and is compatible with factory emissions systems.