Popular Cummins Thermostats
Diesel Parts Direct has a large selection of genuine and aftermarket thermostats for Cummins diesel engines, including popular 180°F models, all covered by a 12-month warranty .
Our quick links below display our belt-selling items. If you do not see the thermostat you are looking for, call us at 855.470.3525 855.470.3525 quote request form : our trained parts specialists will gladly help you.
THERMOSTAT - KTA38 / QSK38 / QSK45 / QSK50 / QSK60
Genuine Cummins Part
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THERMOSTAT - B 3.3 / QSB 3.3
Genuine Cummins Part
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THERMOSTAT - 4B 3.9 / 6B 5.9 / ISB 6.7 / QSB
Genuine Cummins Part
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THERMOSTAT - 6C8.3 / ISC8.3 / QSC8.3 / QSL9 / ISL9
Genuine Cummins Part
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Ships in 3-4 days
THERMOSTAT - 6C 8.3 / ISC 8.3 / ISL 9 / QSL 9
Genuine Cummins Part
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Ships in 3-4 days
THERMOSTAT - NH / NT (77DEGC / 170DEGF)
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Ships in 1-2 days
THERMOSTAT - V378 / V504 / V555 / V903 / VT8 / VTA903
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Ships in 1-2 days
THERMOSTAT - NH / KTA19 / L10 / M11 (175DEGF/79DEGC)
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THERMOSTAT - BIG CAM IV (225degF/107degC)
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Ships in 1-2 days
THERMOSTAT - BIG CAM IV (173degF/78degC)
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THERMOSTAT - BIG CAM (187degF/86degC)
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THERMOSTAT - N14 (180DEGF/82DEGC)
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THERMOSTAT - KTA / QSK (176degF, NON VENTED)
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THERMOSTAT - B (181DEGF/83DEGC)
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THERMOSTAT KIT - 4BT / 6BT (83degC / 181degF)
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Ships in 1-2 days
THERMOSTAT - 4B 3.9 / 6B 5.9 / ISB 6.7 / QSB
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THERMOSTAT - C (83DEGC / 181DEGF)
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THERMOSTAT - C SERIES (71degC / 160degF)
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THERMOSTAT - C (180DEG/82DEGC)
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THERMOSTAT - N14 (180DEGF/82DEGC )
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THERMOSTAT - 4BT / 6BT (83degC/181degF)
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THERMOSTAT (180degF / 82degC) - 6BTA5.9-G3 / B4.5 / B5.9-M220 / 6B5.9 / 4B3.9
Use with DS-3923331 Seal
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THERMOSTAT - ISX / QSX (180degF / 82degC)
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