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Cummins 4BT/6BT Thermostats

Cummins 4BT/6BT Thermostat

We carry thermostats for Cummins 3.9 and 5.9 liter engines. For your convenience, you can access our inventory through the product links listed below.

If you do not see the B Series part you need, please use our quote request form or call us at 855.470.3525: our friendly sales staff will gladly help you.

DS-3283589

THERMOSTAT, 83°C (181°F) - 4BT / 6BT
$37.21 Qty:

DS-4973373

THERMOSTAT (180°F/82°C )
$29.85 Qty:

DS-3802273

THERMOSTAT, 83°C (181°F)
$23.09 Qty:

DS-3972071

THERMOSTAT,SOFT SEAT,4B,6B
$19.56 Qty:

5292744

THERMOSTAT
$33.81 Qty:

DS-3917324

THERMOSTAT, 83°C (181°F) - 4BT / 6BT
$19.16 Qty:

DS-3802968

THERMOSTAT KIT, 83°C (181°F) - 4BT / 6BT
$39.76 Qty:
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