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Popular Cummins Thermostats

Cummins Thermostat

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 855.470.3525855.470.3525 or use our quote request form: our trained parts specialists will gladly help you.


THERMOSTAT - 4B 3.9 / 6B 5.9 / ISB 6.7 / QSB

Genuine Cummins Part

  • $58.79
    • $58.79
    Qty: 

    THERMOSTAT - 4B 3.9 / 6B 5.9 / ISB 6.7 / QSB

    Surplus Item – Special Price

  • $31.89
    • $31.89
    Qty: 

    REPLACED. PLEASE USE PART # DS-3972071

  • $30.95
    Qty: 

    THERMOSTAT - 4BT / 6BT (83°C / 181°F)

  • $45.40
    • $45.40
    Qty: 

    THERMOSTAT - 6C 8.3 / ISC 8.3 / ISL 9 / QSL 9

    Genuine Cummins Part

  • $58.79
    • $58.79
    Qty: 

    THERMOSTAT - 6C8.3 / ISC8.3 / QSC8.3 / QSL9 / ISL9

    Genuine Cummins Part

  • $89.94
    • $89.94
    Qty: 

    THERMOSTAT - B 3.3 / QSB 3.3

    Genuine Cummins Part

  • $90.72
    • $90.72
    Qty: 

    THERMOSTAT - BIG CAM (187°F/86°C)

  • $23.70
    • $23.70
    Qty: 

    THERMOSTAT - BIG CAM IV (173°F/78°C)

  • $40.62
    • $40.62
    Qty: 

    THERMOSTAT - BIG CAM IV (225°F/107°C)

  • $42.75
    • $42.75
    Qty: 

    THERMOSTAT - C SERIES (71°C / 160°F)

  • $30.20
    • $30.20
    Qty: 

    THERMOSTAT - KTA / QSK (176°F, NON VENTED)

  • $55.50
    • $55.50
    Qty: 

    THERMOSTAT - KTA38 / QSK38 / QSK45 / QSK50 / QSK60

    Genuine Cummins Part

  • $183.60
    • $183.60
    Qty: 

    THERMOSTAT - V378 / V504 / V555 / V903 / VT8 / VTA903

  • $26.66
    • $26.66
    Qty: 

    THERMOSTAT - V504 (170°F)

    Genuine Cummins Part

  • $233.76
    • $233.76
    Qty: 

    THERMOSTAT (77°C / 170°F)

  • $36.52
    • $36.52
    Qty: 

    THERMOSTAT (83°C / 181°F)

  • $16.04
    • $16.04
    Qty: 

    THERMOSTAT (175°F/79°C)

  • $35.47
    • $35.47
    Qty: 

    THERMOSTAT (180°/82°C)

  • $27.08
    • $27.08
    Qty: 

    THERMOSTAT (180°F/82°C )

  • $41.91
    • $41.91
    Qty: 

    THERMOSTAT (180°F/82°C)

  • $34.40
    • $34.40
    Qty: 

    REPLACED. PLEASE USE PART # DS-4318947

  • Call for pricing
     

    THERMOSTAT (181°F/83°C)

  • $34.05
    • $34.05
    Qty: 

    THERMOSTAT

  • $36.12
    • $36.12
    Qty: 

    THERMOSTAT KIT - 4BT / 6BT (83°C / 181°F)

  • $45.98
    • $45.98
    Qty: 
    Hundreds Of Items Guaranteed in Stock
    Hundreds Of Items Guaranteed in Stock Click here for details

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    Save 5% on orders over $149
    Use Code: SEPT21
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    Everyday Free Ground Shipping on Select Overhaul Kits and Turbos Click here for details
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