180 Degrees F Alternate Temperature Option
160 Degrees F Alternate Temperature Option
192 Degrees F OE Specified Temperature
205 Degrees F Higher Alternate Temperature Replacement
160 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
160 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
195 Degrees F OE Specified Temperature
With jiggle-pin on the main valve Opening Temp: 88 C / 190 F
Replaces TH1378.70J With Leak Groove Opening Temp: 70C / 158 F
Replaces TH1378.83J With Leak Groove Opening Temp: 83 C / 181 F
195 Degrees F OE Specified Temperature
160 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
192 Degrees F OE Specified Temperature
180 Degrees F OE Specified Temperature
160 Degrees F Alternate Temperature Option
High Flow Thermostat; With jiggle-pin Opening Temp: 73 C / 163 F
High Flow Thermostat; With jiggle-pin Opening Temp: 82 C / 180 F
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
180 Degree; Alternate Temperature
180 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
192 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
160 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
195 Degree; OE Temperature
195 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
160 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
180 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
195 Degree; OE Temperature
160 Degree; Alternate Temperature
180 Degree; Alternate Temperature
Without Leak Groove; Gasket Included Opening Temp: 82 C / 180 F
Without Leak Groove; Gasket Included Opening Temp: 92 C / 197 F
195 Degree; OE Temperature
180 Degree; Alternate Temperature
180 Degree; OE Temperature
180 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."
160 deg.; Race Only
180 deg.; Race Only
195 deg.; Race Only
Browse our selection of quality engine coolant thermostat parts designed specifically for your Dodge D350. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · RD · RS
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
L6 3.7L · L6 5.9L · V8 5.2L · V8 5.9L
Automatic · Manual
