Diesel Specialists, LLC: Exporter of the Year 2013

888.687.0539 (U.S.)
225.706.4858 (Int.)
Monday-Friday 7am-5pm CST

888.687.0539 (U.S.)
225.706.4858 (Int.)
Monday-Friday 7am-5pm CST

Cummins 4BT/6BT Thermostats

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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-3972071

Item Guaranteed in Stock
THERMOSTAT - 4B / 6B (SOFT SEAT)
Use with DS-3923331 Seal
$18.86 Qty:

DS-3917324

Item Guaranteed in Stock
THERMOSTAT - 4BT / 6BT (181°F/83°C)
$23.32 Qty:

DS-3802273

Item Guaranteed in Stock
THERMOSTAT (181°F/83°C)
$28.10 Qty:

DS-3802968

Item Guaranteed in Stock
THERMOSTAT KIT - 4BT / 6BT (181°F/83°C)
$48.40 Qty:

DS-3283589

Item Guaranteed in Stock
THERMOSTAT - 4BT / 6BT (181°/83°C)
$45.29 Qty:

5292744

THERMOSTAT
Genuine Cummins Part
$36.00 Qty:

DS-4973373

Item Guaranteed in Stock
THERMOSTAT (180°F/82°C )
$36.33 Qty:

3928499

THERMOSTAT
Genuine Cummins Part
$46.25 Qty:

5292712

Item Guaranteed in Stock
THERMOSTAT
Genuine Cummins Part
$32.96 Qty:

3928639

THERMOSTAT
Genuine Cummins Part
$31.34 Qty:

DS-3954830

THERMOSTAT KIT (190°F/88°C)
$21.38 Qty:
Guaranteed in stock

hundreds of
items guaranteed
in stock!

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everyday free ground shipping on select overhaul kits and turbos

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